The Global Volcanism Program database currently contains 1587 volcano names (1545 Holocene and 42 Pleistocene with thermal activity) (bolded), 1995 synonyms, and 9290 subfeatures, for an overall total of 12872 names, sorted below in alphabetical order. Descriptions of the various "Volcano Type" and "Volcano Status" designations can be found on the Volcano Data Criteria page.
| Volcano Name | Volcano Type | Volcano Status | Volcanic Subregion |
| AABIDA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| AB E GARM | Thermal Feature of DAMAVAND | Iran & Afghanistan | |
| ABANG, GUNUNG | Stratovolcano of BATUR | Lesser Sunda Islands | |
| ABARO | Cone of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| ABAS TEPE | Cone of ERCIYES DAGI | Turkey | |
| ABBOTT PEAK | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| ABEJERA, MONTANA | Dome of TENERIFE | Canary Islands | |
| ABEQUE, MONTANA DE | Cinder cone of TENERIFE | Canary Islands | |
| ABIDA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| ABILI AGITUK [WARGESS] | Tuff cone of BARRIER, THE | Africa (eastern) | |
| ABINGDON | Synonym of PINTA | Galápagos Islands | |
| ABOA | Synonym of AOBA | Vanuatu | |
| ABOUR, JEBEL EL | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| ABRA, CERRO EL | Synonym of ATLIXCOS, LOS | México | |
| ABRIGO, CERRO DEL | Dome of VALLES CALDERA | USA (New Mexico) | |
| ABRUNCO | Dome of TENERIFE | Canary Islands | |
| ABU | Shield volcanoes | Thermoluminescence | Honshu |
| ABU AIL ISLAND | Cone of ZUKUR | Africa (northeastern) & Red Sea | |
| ABU HARIS, JABAL | Dome of KISHB, HARRAT | Arabia | |
| ABYAD, JABAL | Dome of KHAYBAR, HARRAT | Arabia | |
| ACADEMII NAUK | Synonym of AKADEMIA NAUK | Kamchatka Peninsula | |
| ACAMARACHI | Stratovolcano | Holocene | Northern Chile, Bolivia & Argentina |
| ACANTILADOS MAYOR | Tuff cone of ISABEL, ISLA | México | |
| ACANTILADOS RABIJUNCOS | Tuff cone of ISABEL, ISLA | México | |
| ACATENANGO | Stratovolcano | Historical | Guatemala |
| ACATLAN, CERRO | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| ACCADEMIA | Dome of CAMPI FLEGREI | Italy | |
| ACHACARA, LOMA | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| ACHELONE | Vent of NISYROS | Greece | |
| ACHEOLUS | Vent of NISYROS | Greece | |
| ACHI-YAMA | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| ACHIN-NIELLU | Cone of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ACHIN-NIELLU | Cone of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ACHIOTILLAL | Stratovolcano of BARVA | Costa Rica | |
| ACHLAN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ACIGOL | Crater of KARAPINAR FIELD | Turkey | |
| ACIGOL-NEVSEHIR | Caldera | Anthropology | Turkey |
| ACIGOL-NEYSEHIR | Synonym of ACIGOL-NEVSEHIR | Turkey | |
| ACOUMA, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| ACQUARIUM | Thermal Feature of EAST DIAMANTE | Izu, Volcano, & Mariana Islands | |
| ACQUE CALDE | Thermal Feature of VULCANO | Italy | |
| ACROPOLI | Cone of PANTELLERIA | Italy | |
| ACTIVE CRATER | Crater of RINCON DE LA VIEJA | Costa Rica | |
| ADAGDAK | Stratovolcano | Pleistocene-Hot Springs | Aleutian Islands |
| ADAMS | Stratovolcano | Tephrochronology | USA (Washington) |
| ADAMS SEAMOUNT | Submarine volcano | Potassium-Argon | Pacific Ocean (central) |
| ADAS TEPE [ABAS TEPE] | Cone of ERCIYES DAGI | Turkey | |
| ADATARA | Stratovolcanoes | Historical | Honshu |
| ADATARA-YAMA | Dome of ADATARA | Honshu | |
| ADHAMAS | Thermal Feature of MILOS | Greece | |
| ADIKA-WILIS | Synonym of WILIS | Java | |
| ADO ALE | Synonym of ASSAB VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| ADO WADJUNG [ADO WAJUNG] | Crater of ILIWERUNG | Lesser Sunda Islands | |
| ADO WAJUNG | Crater of ILIWERUNG | Lesser Sunda Islands | |
| ADWA | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| AEK MADURANA | Thermal Feature of SIBUALBUALI | Sumatra | |
| AEK WALIRAN | Thermal Feature of SIBUALBUALI | Sumatra | |
| AER PANAS | Thermal Feature of KEMBAR | Sumatra | |
| AESEPUT | Cone of SOPUTAN | Sulawesi | |
| AESEPUT WERO | Dome of SOPUTAN | Sulawesi | |
| AETNA | Synonym of ETNA | Italy | |
| AFANA | Crater of WALLIS ISLANDS | Samoan & Wallis Islands | |
| AFATE, CERRO | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| AFDERA | Stratovolcano | Holocene? | Africa (northeastern) & Red Sea |
| AFLITOS | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| AFOLAU | Cone of UPOLU | Samoan & Wallis Islands | |
| AFONO | Dome of TUTUILA | Samoan & Wallis Islands | |
| AFOSA, MONTANA DE | Cinder cone of HIERRO | Canary Islands | |
| AFRERA | Synonym of AFDERA | Africa (northeastern) & Red Sea | |
| AFUTINA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| AGAJEDAN | Synonym of SHISHALDIN | Aleutian Islands | |
| AGASCHAGOCH | Synonym of BOGOSLOF | Aleutian Islands | |
| AGELU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AGHIE [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| AGINCOURT | Synonym of PENGCHIAHSU | Taiwan | |
| AGIOS JOANNIS | Vent of NISYROS | Greece | |
| AGIOS NIKOLAOS | Thermal Feature of METHANA | Greece | |
| AGMAGAN-KARADAG | Synonym of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| AGNANO | Caldera of CAMPI FLEGREI | Italy | |
| AGNANO MONTE SPINA | Crater of CAMPI FLEGREI | Italy | |
| AGOENG | Synonym of AGUNG | Lesser Sunda Islands | |
| AGONIA, PUIG S' | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| AGOTU VALLEY | Cone of CRATER MOUNTAIN | New Guinea & D'Entrecasteaux Islands | |
| AGRI DAGI | Synonym of ARARAT | Turkey | |
| AGRIGAN | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| AGRIHAN | Synonym of AGRIGAN | Izu, Volcano, & Mariana Islands | |
| AGRIO, DEL [CAVIAHUE] | Caldera of COPAHUE | Central Chile & Argentina | |
| AGRITAS, VOLCAN LAS | Dome of MASCOTA VOLCANIC FIELD | México | |
| AGUA | Stratovolcano | Holocene | Guatemala |
| AGUA AGRIA | Thermal Feature of AGUAJITO, EL | México | |
| AGUA AGRIA, AUSOLES DE | Thermal Feature of SAN VICENTE | El Salvador & Honduras | |
| AGUA AMARGA, CERRO | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| AGUA BENDITA, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| AGUA CALIENTE | Thermal Feature of CHICHON, EL | México | |
| AGUA CALIENTE DEL TUZGLE | Thermal Feature of TUZGLE, CERRO | Northern Chile, Bolivia & Argentina | |
| AGUA CALIENTE HOT SPRINGS | Thermal Feature of ST. HELENS | USA (Washington) | |
| AGUA DE PAU | Stratovolcano | Historical | Azores |
| AGUA FRIA, LAGUNA DE | Synonym of POAS | Costa Rica | |
| AGUA GRANDE, CERRO | Cinder cone of COMONDU-LA PURISIMA | México | |
| AGUA SHUCA | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| AGUA, CERRO | Pyroclastic Cone of NEGRA, SIERRA | Galápagos Islands | |
| AGUA, CERRO DEL | Cinder cone of CHICHINAUTZIN | México | |
| AGUA, LAGUNA DE | Crater of SAN CRISTOBAL | Nicaragua | |
| AGUAJITO, EL | Caldera | Pleistocene-Hot Springs | México |
| AGUALVA | Dome of TERCEIRA | Azores | |
| AGUAS AMARGAS | Thermal Feature of SANTO TOMAS | Guatemala | |
| AGUAS CALIENTES | Stratovolcano of LASCAR | Northern Chile, Bolivia & Argentina | |
| AGUAS PERDIDAS | Synonym of NEGRILLAR, LA | Northern Chile, Bolivia & Argentina | |
| AGUAS TERMALES | Thermal Feature of RINCON DE LA VIEJA | Costa Rica | |
| AGUAS ZARCAS | Cinder cone of PLATANAR | Costa Rica | |
| AGUERO, CERRO DE | Cone of TELICA | Nicaragua | |
| AGUILA, CERRO EL | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| AGUILA, CERRO LA | Stratovolcano of MICHOACAN-GUANAJUATO | México | |
| AGUILA, EL [SAN ANTONIO] | Stratovolcano of TACANA | México | |
| AGUILA, PICO DEL | Dome of TOLUCA, NEVADO DE | México | |
| AGUILAS, LAS | Dome of HUMEROS, LOS | México | |
| AGUILAS, VOLCAN LAS | Cone of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| AGUILERA | Stratovolcano | Radiocarbon | Southern Chile & Argentina |
| AGUILILLAS, CERRO | Cinder cone of COMONDU-LA PURISIMA | México | |
| AGUNG | Crater of GUNTUR | Java | |
| AGUNG | Stratovolcano | Historical | Lesser Sunda Islands |
| AGUROSHI-YAMA | Cone of KURIKOMA | Honshu | |
| AHALAPAM CINDER FIELD | Synonym of NORTH SISTER FIELD | USA (Oregon) | |
| AHALAPAN CINDER FIELD | Cinder cone of NORTH SISTER FIELD | USA (Oregon) | |
| AHDING INGRID MOUNTAIN | Cone of NUNIVAK ISLAND | Alaska (western) | |
| AHKIWIKSNUK | Maar of NUNIVAK ISLAND | Alaska (western) | |
| AHOLO, VOLCAN | Cone of CHICHINAUTZIN | México | |
| AHRUP | Synonym of LONG ISLAND | Northeast of New Guinea | |
| AHUACATLAN, VOLCAN DE | Synonym of CEBORUCO | México | |
| AHUACHAPAN | Synonym of APANECA RANGE | El Salvador & Honduras | |
| AHUATEPEC, CERRO | Cone of SERDAN-ORIENTAL | México | |
| AHUAZATEPETL, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| AHUMOA | Cone of MAUNA KEA | Hawaiian Islands | |
| AHYI | Submarine volcano | Seismicity | Izu, Volcano, & Mariana Islands |
| AI-LAAU | Shield volcano of KILAUEA | Hawaiian Islands | |
| AIELU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AIGAGIN | Synonym of MAKUSHIN | Aleutian Islands | |
| AIGUANEGRA, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| AIGUILLE NOIRE | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| AILERON | Dome of PELEE | West Indies | |
| AINO-MINE | Cone of KUSATSU-SHIRANE | Honshu | |
| AINU TUKAP [TUKAP] | Stratovolcano of MEDVEZHIA | Kuril Islands | |
| AIRA | Pleistocene caldera of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| AIRE, CERRO DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| AISEPOET [AESEPUT] | Cone of SOPUTAN | Sulawesi | |
| AIYANSH VOLCANO | Synonym of TSEAX RIVER CONE | Canada | |
| AIZU-FUJI (AIZU-YAMA) | Synonym of BANDAI | Honshu | |
| AJAGIN (AJAGISCH) | Synonym of MAKUSHIN | Aleutian Islands | |
| AJAKAN [AYAKAN] | Crater of GUNTUR | Java | |
| AJATA, VOLCANES DE | Cinder cone of PARINACOTA | Northern Chile, Bolivia & Argentina | |
| AJEK-AJEK | Caldera of SEMERU | Java | |
| AJEL | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AJELOU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AJER PANAS [AYER PANAS] | Thermal Feature of LUMUT BALAI, BUKIT | Sumatra | |
| AJUSCO, VOLCAN | Dome of CHICHINAUTZIN | México | |
| AKA-DAKE | Stratovolcano of DAISETSU | Hokkaido | |
| AKA-DAKE | Synonym of SINARKA | Kuril Islands | |
| AKA-JIMA | Cone of FUKUE-JIMA | Ryukyu Islands & Kyushu | |
| AKADEMIA NAUK | Stratovolcanoes | Historical | Kamchatka Peninsula |
| AKADEMIA NAUK | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| AKADEMIA NAUK SPRINGS | Thermal Feature of AKADEMIA NAUK | Kamchatka Peninsula | |
| AKAGI | Stratovolcano | Holocene? | Honshu |
| AKAHANI-YAMA | Stratovolcano of BANDAI | Honshu | |
| AKAI | Cinder cone of ASO | Ryukyu Islands & Kyushu | |
| AKAKUBO | Cone of IZU-TOBU | Honshu | |
| AKAKURA | Thermal Feature of MYOKO | Honshu | |
| AKAKURA-DAKE | Cone of HAKKODA GROUP | Honshu | |
| AKAMIZU | Thermal Feature of ASO | Ryukyu Islands & Kyushu | |
| AKAN | Caldera | Historical | Hokkaido |
| AKAN-FUJI | Stratovolcano of AKAN | Hokkaido | |
| AKAN-HUZI [AKAN-FUJI] | Stratovolcano of AKAN | Hokkaido | |
| AKAN-KOHAN | Thermal Feature of AKAN | Hokkaido | |
| AKANAGURE | Dome of HIUCHI | Honshu | |
| AKANDANA-YAMA | Stratovolcano of YAKE-DAKE | Honshu | |
| AKASAKA-MINAMI | Cone of IZU-TOBU | Honshu | |
| AKATSUKA | Cone of FUJI | Honshu | |
| AKAZAKI-NO-MINE | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| AKAZAWA-KAIKYU | Submarine vent of IZU-TOBU | Honshu | |
| AKERLUNDH | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| AKHAT | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| AKHLAN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| AKHOMTEN | Cone of MUTNOVSKY | Kamchatka Peninsula | |
| AKHTANG | Shield volcano | Holocene? | Kamchatka Peninsula |
| AKHUACHAPAN [PLAYON DE AHUACHAPAN] | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| AKI [MENSHOI BRAT] | Dome of MEDVEZHIA | Kuril Islands | |
| AKILOSET SPRINGS | Thermal Feature of SILALI | Africa (eastern) | |
| AKIMOANA | Submarine vent of MAUNA LOA | Hawaiian Islands | |
| AKITA-FUJI | Synonym of CHOKAI | Honshu | |
| AKITA-KOMAGA-TAKE | Stratovolcanoes | Historical | Honshu |
| AKITA-YAKE-YAMA | Stratovolcano | Historical | Honshu |
| AKKKTIVNAYA VORONKA | Crater of MUTNOVSKY | Kamchatka Peninsula | |
| AKMOAN | Thermal Feature of MATUTUM | Mindanao | |
| AKOMA, TAVANI | Cone of KUWAE | Vanuatu | |
| AKU | Cone of UDOKAN PLATEAU | Russia (southeastern) | |
| AKUSEKI-JIMA | Stratovolcanoes | Holocene? | Ryukyu Islands & Kyushu |
| AKUTAN | Stratovolcano | Historical | Aleutian Islands |
| AL WAHBAH | Maar of KISHB, HARRAT | Arabia | |
| AL-ARAB, DJEBEL | Synonym of DRUZE, JABAL AD | Syria | |
| AL-DJABAL AL-ASWAD | Synonym of SAWAD, HARRA ES- | Arabia | |
| AL-HARUJ AL ASWAD | Synonym of HARUJ | Africa (northern) | |
| AL-KHURDJ BAL DJILD [KHURDJ EL-AISAR] | Tuff cone of HAYLAN, JABAL | Arabia | |
| ALA DAG | Cone of KARS PLATEAU | Turkey | |
| ALAE | Former pit crater of KILAUEA | Hawaiian Islands | |
| ALAEMBAKEO, VUTI | Cone of AOBA | Vanuatu | |
| ALAGEY | Synonym of ARAGATS | Caucasus, Georgia & Armenia | |
| ALAGOGSHAK | Stratovolcano of MARTIN | Alaska Peninsula | |
| ALAID | Stratovolcano | Historical | Kuril Islands |
| ALAID | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| ALAMAGAN | Stratovolcano | Radiocarbon | Izu, Volcano, & Mariana Islands |
| ALANG | Stratovolcano of DIENG VOLCANIC COMPLEX | Java | |
| ALAPARS | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| ALAUAWA, PUU | Cone of HUALALAI | Hawaiian Islands | |
| ALAYTA | Shield volcano | Historical | Africa (northeastern) & Red Sea |
| ALBAINS, MONTS | Synonym of ALBAN HILLS | Italy | |
| ALBAN HILLS | Caldera | Holocene? | Italy |
| ALBAN HILLS | Caldera | Holocene? | Italy |
| ALBANO | Maar of ALBAN HILLS | Italy | |
| ALBANO, MONTE | Cinder cone of ETNA | Italy | |
| ALBANY ISLAND | Cone of SANTIAGO | Galápagos Islands | |
| ALBATROSS POINT | Tuff cone of ANTIPODES ISLAND | Pacific Ocean (southern) | |
| ALBAY VOLCANO | Synonym of MAYON | Luzon | |
| ALBERCA, CERRO DE LA | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| ALBERCA, LA | Maar of MICHOACAN-GUANAJUATO | México | |
| ALBERT PARK | Cone of AUCKLAND FIELD | New Zealand | |
| ALBERT, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| ALBINE-BOLDOK | Cone of AZAS PLATEAU | Russia (southeastern) | |
| ALBIT HUT | Synonym of BIR BORHUT | Arabia | |
| ALBULHEK | Cone of MATUTUM | Mindanao | |
| ALCEDO | Shield volcano | Historical | Galápagos Islands |
| ALCHICHICA | Tuff ring of SERDAN-ORIENTAL | México | |
| ALE BAGU | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| ALEBBAGU | Synonym of ALE BAGU | Africa (northeastern) & Red Sea | |
| ALEGRIA, AUSOLES DE LA LAGUNA DE | Thermal Feature of TECAPA | El Salvador & Honduras | |
| ALEGRIA, CERRO | Cone of TECAPA | El Salvador & Honduras | |
| ALESSI, DJEBEL [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| ALEXANDER, MT. | Dome of ST. CATHERINE | West Indies | |
| ALEXANDROS | Vent of NISYROS | Greece | |
| ALEYONE | Cone of PLEIADES, THE | Antarctica & South Sandwich Islands | |
| ALFERES, CALDEIRA DO | Cone of SETE CIDADES | Azores | |
| ALFERES, CALDEIRA DO | Cone of SETE CIDADES | Azores | |
| ALFRED PICARD, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| ALFTAKVISLARHRAUN | Fissure vent of KATLA | Iceland (southern) | |
| ALFTARHOLL | Crater of GRIMSNES | Iceland (southwestern) | |
| ALI BOGO | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| ALI DAG | Dome of ERCIYES DAGI | Turkey | |
| ALIANNGEI | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ALIANTE | Synonym of LLAIMA | Central Chile & Argentina | |
| ALID | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| ALIT | Synonym of ALID | Africa (northeastern) & Red Sea | |
| ALITAR | Maar of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| ALJANNGEJ | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ALJOJUCA | Maar of SERDAN-ORIENTAL | México | |
| ALLIGATOR LAKE | Maar of SAN PABLO VOLCANIC FIELD | Luzon | |
| ALLIGATOR LAKE | Volcanic field | Holocene | Canada |
| ALMARCHIGA [VOLCAN DE FASNIA] | Cinder cone of TENERIFE | Canary Islands | |
| ALMASIGAHAN | Dome of LABO | Luzon | |
| ALMENNINGAHRAUN | Fissure vent of KATLA | Iceland (southern) | |
| ALMOLONGA | Stratovolcano | Historical | Guatemala |
| ALMOLONGA, BANOS | Thermal Feature of ALMOLONGA | Guatemala | |
| ALMONZA | Vent of PANTELLERIA | Italy | |
| ALNEI | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ALNEI [ALNEY] | Stratovolcano of ALNEY-CHASHAKONDZHA | Kamchatka Peninsula | |
| ALNEY | Stratovolcano of ALNEY-CHASHAKONDZHA | Kamchatka Peninsula | |
| ALNEY-CHASHAKONDZHA | Stratovolcano | Radiocarbon | Kamchatka Peninsula |
| ALNGEI | Synonym of ALNGEY | Kamchatka Peninsula | |
| ALNGEY | Stratovolcano | Holocene? | Kamchatka Peninsula |
| ALOFAU | Pleistocene caldera of TUTUILA | Samoan & Wallis Islands | |
| ALOI | Former pit crater of KILAUEA | Hawaiian Islands | |
| ALON, MT. | Cone of GAMKONORA | Halmahera | |
| ALPEHUE | Crater of SOLLIPULLI | Central Chile & Argentina | |
| ALSEY | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| ALTA GRACIA | Cinder cone of CONCEPCION | Nicaragua | |
| ALTA, MONTANA | Cone of GRAN CANARIA | Canary Islands | |
| ALTER VOSS | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| ALTINETES, PICO | Dome of AGUA DE PAU | Azores | |
| ALTO | See proper name (e.g. SANTANO, ALTO LA) | Spanish for PEAK | |
| ALTO GRANDE, CERRO | Cone of IRAZU | Costa Rica | |
| ALTO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| ALTO, CERRO | Dome of PRIMAVERA, SIERRA LA | México | |
| ALTO, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| ALTO, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| ALTO, PICO | Stratovolcano of TERCEIRA | Azores | |
| ALU | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| ALUNALUN | Crater of PAPANDAYAN | Java | |
| ALUTU | Stratovolcano | Radiocarbon | Africa (northeastern) & Red Sea |
| ALVAREZ | Maar of MICHOACAN-GUANAJUATO | México | |
| AMACAN-GOPOD | Thermal Feature of LEONARD RANGE | Mindanao | |
| AMADO | Dome of BORAWLI | Africa (northeastern) & Red Sea | |
| AMAGASE | Thermal Feature of KUJU | Ryukyu Islands & Kyushu | |
| AMAGI | Stratovolcano of IZU-TOBU | Honshu | |
| AMAK | Stratovolcano | Historical | Aleutian Islands |
| 'AM'AM, JABAL | Dome of KHAYBAR, HARRAT | Arabia | |
| AMANI | Cone of NYAMURAGIRA | Africa (central) | |
| AMARCHTA | Synonym of AMUKTA | Aleutian Islands | |
| AMARGURA | Synonym of FONUALEI | Tonga Islands | |
| AMARILLA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| AMARILLO, CERRO | Tuff cone of SAN FELIX | Pacific Ocean (Chilean Islands) | |
| AMARTI | Synonym of BORAWLI | Africa (northeastern) & Red Sea | |
| AMASING | Stratovolcanoes | Holocene | Halmahera |
| AMATEPEQUE [EL JABALI] | Stratovolcano of SAN SALVADOR | El Salvador & Honduras | |
| AMATITLAN | Pleistocene caldera of PACAYA | Guatemala | |
| AMATOFUA | Synonym of TOFUA | Tonga Islands | |
| AMAYA, AUSOLES DE | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| AMAYO, VOLCAN | Synonym of FLORES | Guatemala | |
| AMAYTOLI | Synonym of ALE BAGU | Africa (northeastern) & Red Sea | |
| AMBAE | Synonym of AOBA | Vanuatu | |
| AMBALATUNGAN GROUP | Compound volcano | Fumarolic | Luzon |
| AMBANG | Complex volcano | Historical | Sulawesi |
| AMBATO [AMPATO] | Stratovolcano of SABANCAYA | Perú | |
| AMBITLE | Stratovolcano | Radiocarbon | New Ireland |
| AMBOELOMBO | Synonym of EBULOBO | Lesser Sunda Islands | |
| AMBOHIBE | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBOHIMALALA | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBOHITRITAINERINA | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBOHITRONDRY | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMBRE-BOBAOMBY | Volcanic field | Holocene | Indian Ocean (western) |
| AMBRIM | Synonym of AMBRYM | Vanuatu | |
| AMBRYM | Pyroclastic shield | Historical | Vanuatu |
| AMBUREMBU (AMBUROMBU) | Synonym of EBULOBO | Lesser Sunda Islands | |
| AMEBA | Dome of MEDVEZHIA | Kuril Islands | |
| AMES RANGE | Synonym of ANDRUS | Antarctica & South Sandwich Islands | |
| AMGAI HIGHLANDS-HIGASHI | Vent of IZU-TOBU | Honshu | |
| AMIAK | Synonym of AMAK | Aleutian Islands | |
| AMIATA | Lava domes | Pleistocene-Fumarolic | Italy |
| AMIATA, MONTE | Dome of AMIATA | Italy | |
| AMIC | Crater of SOUFRIERE GUADELOUPE | West Indies | |
| AMIC, MORNE | Dome of SOUFRIERE GUADELOUPE | West Indies | |
| AMIKAKE SPA | Thermal Feature of IWATE | Honshu | |
| AMKA-USYR | Synonym of NEMO PEAK | Kuril Islands | |
| AMOISSA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| AMOLOC, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| AMOR | Stratovolcano of SURETAMATAI | Vanuatu | |
| AMORONG | Lava domes | Fumarolic | Luzon |
| AMPARY | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| AMPATO | Stratovolcano of SABANCAYA | Perú | |
| AMSTERDAM ISLAND | Stratovolcano | Holocene | Indian Ocean (southern) |
| AMUCHTA | Synonym of AMUKTA | Aleutian Islands | |
| AMUD, JABAL AL | Cone of HARRAH, AL | Arabia | |
| AMUKTA | Stratovolcano | Historical | Aleutian Islands |
| AMUTYCHI | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| ANAGI-YAMA [ANANO-YAMA] | Dome of KOZU-SHIMA | Izu, Volcano, & Mariana Islands | |
| ANAGONA | Cone of AOBA | Vanuatu | |
| ANAK KRAKATAU | Cone of KRAKATAU | Krakatau | |
| ANAK RANAKAH | Dome of RANAKAH | Lesser Sunda Islands | |
| ANAKENA, VOLCAN | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| ANAMARAMA, MAUNGA | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| ANANGUSIK | Synonym of GARELOI | Aleutian Islands | |
| ANANO-YAMA | Dome of IZU-TOBU | Honshu | |
| ANANO-YAMA | Dome of KOZU-SHIMA | Izu, Volcano, & Mariana Islands | |
| ANANOKUBO | Tuff ring of IZU-TOBU | Honshu | |
| ANAOTA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| ANAS | Thermal Feature of BILIRAN | Central Philippines | |
| ANATAHAN | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| ANATOM | Synonym of ANEITYUM | Vanuatu | |
| ANAUN | Stratovolcano | Holocene? | Kamchatka Peninsula |
| ANBURO | Dome of CHACHIMBIRO | Ecuador | |
| ANCHAL, MAAR D' | Maar of CHAINE DES PUYS | Western Europe | |
| ANDABI GABALTI | Cone of MANDA-INAKIR | Africa (northeastern) & Red Sea | |
| ANDAGUA VALLEY [ANDAHUA VALLEY] | Synonym of ANDAHUA-ORCOPAMPA | Perú | |
| ANDAHUA-ORCOPAMPA | Cinder cones | Radiocarbon | Perú |
| ANDES, CERRO LOS | Cone of CHACHANI, NEVADO | Perú | |
| ANDIKLI TEPE | Cone of KARAPINAR FIELD | Turkey | |
| ANDIKLI-AYIRTMEKE TEPE | Cone of KARAPINAR FIELD | Turkey | |
| ANDJASMORO | Stratovolcano of ARJUNO-WELIRANG | Java | |
| ANDRAIKIBA | Crater of ANKARATRA FIELD | Indian Ocean (western) | |
| ANDRANOJAVATRA | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANDRANORATSY | Crater of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANDRANOTORAHA | Crater of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANDREAS | Vent of NISYROS | Greece | |
| ANDRES | Stratovolcano of PALOMO | Central Chile & Argentina | |
| ANDREW BAY | Caldera of ADAGDAK | Aleutian Islands | |
| ANDREW BAY HOT SPRINGS | Thermal Feature of ADAGDAK | Aleutian Islands | |
| ANDREW'S CONE | Stratovolcano of BARRIER, THE | Africa (eastern) | |
| ANDROMEDA CONE | Cone of IMURUK LAKE | Alaska (western) | |
| ANDRUS | Shield volcanoes | Holocene? | Antarctica & South Sandwich Islands |
| ANEITYUM | Stratovolcanoes | Holocene? | Vanuatu |
| ANETCHOM | Synonym of ANEITYUM | Vanuatu | |
| ANFITRITE | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| ANGALAFIB | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| ANGAR, GOF | Maar of MARSABIT | Africa (eastern) | |
| ANGAVO | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| ANGET | Crater of LUMUT BALAI, BUKIT | Sumatra | |
| ANGILA | Cone of LANGILA | New Britain | |
| ANGLAIS, MORNE | Stratovolcano of WATT, MORNE | West Indies | |
| ANGNJIOMAN [ANGNYIOMAN] | Thermal Feature of ILIMUDA | Lesser Sunda Islands | |
| ANGNYIOMAN | Thermal Feature of ILIMUDA | Lesser Sunda Islands | |
| ANGOES, BATOE [BATU ANGUS] | Dome of TONGKOKO | Sulawesi | |
| ANGOSTURA, LA | Tuff ring of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ANGOSTURA, MONTANA DE LA | Cinder cone of TENERIFE | Canary Islands | |
| ANGUDI | Synonym of YANGUDI | Africa (northeastern) & Red Sea | |
| ANGUREAL | Stratovolcano of CAYAMBE | Ecuador | |
| ANGUS BARU, BATU | Dome of TONGKOKO | Sulawesi | |
| ANGUS, BATU | Crater of BANDA API | Banda Sea | |
| ANGUS, BATU | Dome of TONGKOKO | Sulawesi | |
| ANIAKCHAK | Caldera | Historical | Alaska Peninsula |
| ANILLO, CERRO DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| ANIMAS, CERRO DE LAS | Cone of AZUL, CERRO | Galápagos Islands | |
| ANIR | Synonym of AMBITLE | New Ireland | |
| ANJAR, GUNUNG | Cone of IJEN | Java | |
| ANJAR, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| ANKAIZINA FIELD | Cinder cones | Holocene | Indian Ocean (western) |
| ANKARATRA FIELD | Cinder cones | Holocene | Indian Ocean (western) |
| ANNEXATION | Shield volcano of MACAULEY ISLAND | Kermadec Islands | |
| ANOENGOLA [ANUNGGOLA] | Crater of SIRUNG | Lesser Sunda Islands | |
| ANONIMO | Synonym of LLAIMA | Central Chile & Argentina | |
| ANSEI | Crater of KOMAGA-TAKE | Hokkaido | |
| ANTAYMARCA, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| ANTEOJOS, LOS | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| ANTI, GUNUNG | Cone of BATUR | Lesser Sunda Islands | |
| ANTICURA | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| ANTICURA | Pyroclastic Cone of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| ANTILLANCA GROUP | Stratovolcanoes | Radiocarbon | Central Chile & Argentina |
| ANTIMILOS | Cone of MILOS | Greece | |
| ANTIPODES ISLAND | Pyroclastic cones | Holocene? | Pacific Ocean (southern) |
| ANTISANA | Stratovolcano | Historical | Ecuador |
| ANTITRUZ, CERRO | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| ANTIZANA | Synonym of ANTISANA | Ecuador | |
| ANTOCO | Synonym of ANTUCO | Central Chile & Argentina | |
| ANTOFAGASTA DE LA SIERRA | Scoria cones | Holocene | Northern Chile, Bolivia & Argentina |
| ANTOINE, LAKE | Crater of ST. CATHERINE | West Indies | |
| ANTOJO | Synonym of ANTUCO | Central Chile & Argentina | |
| ANTONELLI | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| ANTONIA PEAK | Synonym of TIATIA | Kuril Islands | |
| ANTSIFEROVA | Synonym of SHIRINKI | Kuril Islands | |
| ANTSIRABE | Cone of ANKARATRA FIELD | Indian Ocean (western) | |
| ANTSIRABLE | Synonym of ANKARATRA FIELD | Indian Ocean (western) | |
| ANTUCO | Stratovolcano | Historical | Central Chile & Argentina |
| ANUNGGOLA | Crater of SIRUNG | Lesser Sunda Islands | |
| ANVIL PEAK | Cone of SEMISOPOCHNOI | Aleutian Islands | |
| ANVIL, THE [EL YUNQUE] | Stratovolcano of ROBINSON CRUSOE | Pacific Ocean (Chilean Islands) | |
| AOBA | Shield volcano | Historical | Vanuatu |
| AOBUNA | Stratovolcano of TOWADA | Honshu | |
| A'OFA | Shield volcano of OFU-OLOSEGA | Samoan & Wallis Islands | |
| AOGA-SHIMA | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| AONE SPA | Thermal Feature of ZAO | Honshu | |
| AOPO [MAUGA MU] | Cinder cone of SAVAI'I | Samoan & Wallis Islands | |
| AP-SAN | Shield volcano of CH'UGA-RYONG | Korea | |
| APACAGUA | Synonym of PACAYA | Guatemala | |
| APACHETA, CERRO | Dome of AZUFRE, CERRO DEL | Northern Chile, Bolivia & Argentina | |
| APACHINSKAIA SOPKA | Synonym of OPALA | Kamchatka Peninsula | |
| APAGADO | Pyroclastic cone | Holocene | Southern Chile & Argentina |
| APAGADO, EL [ESCALANTE] | Stratovolcano of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| APAKHONCHICH | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| APALE [CERRO AFATE] | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| APALONG | Crater of UMBOI | Northeast of New Guinea | |
| APALSKAIA SOPKA | Synonym of OPALA | Kamchatka Peninsula | |
| APANECA RANGE | Stratovolcanoes | Holocene | El Salvador & Honduras |
| APANECA, CERRO DE | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| APANTES, CERRO DE | Cinder cone of SANTIAGO, CERRO | Guatemala | |
| APASTEPE, CERRO | Cinder cone of SAN CRISTOBAL | Nicaragua | |
| APASTEPEQUE FIELD | Volcanic field | Holocene | El Salvador & Honduras |
| APASTEPEQUE, CERRO DE | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| APASTEPEQUE, LAGUNA | Pit crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| APAXTEPEC | Cinder cone of COLIMA | México | |
| API | Synonym of GUNUNGAPI WETAR | Banda Sea | |
| API SIAU | Synonym of KARANGETANG [API SIAU] | Sangihe Islands | |
| APO | Stratovolcano | Fumarolic | Mindanao |
| APO SPRING | Thermal Feature of APO | Mindanao | |
| APOLIMA | Tuff cone of UPOLU | Samoan & Wallis Islands | |
| APOYEQUE | Pyroclastic shield | Radiocarbon | Nicaragua |
| APOYO | Cone of HOMA MOUNTAIN | Africa (eastern) | |
| APSIAN | Cone of NATIB | Luzon | |
| APUAHOE [ROLLES PEAK] | Stratovolcano of MAROA | New Zealand | |
| ARA-KHANGAY VOLC FIELD | Synonym of TARYATU-CHULUTU | Mongolia | |
| ARA-YAMA | Cone of IZU-TOBU | Honshu | |
| ARA-YAMA | Synonym of NIKKO-SHIRANE | Honshu | |
| ARACAR | Stratovolcano | Uncertain | Northern Chile, Bolivia & Argentina |
| ARADAS, CERRO LAS | Cinder cone of SANTIAGO, CERRO | Guatemala | |
| ARAFO, VOLCAN DE [VOLCAN DE GUIMAR] | Cinder cone of TENERIFE | Canary Islands | |
| ARAGATS | Stratovolcano | Holocene | Caucasus, Georgia & Armenia |
| ARAGATZ | Synonym of ARAGATS | Caucasus, Georgia & Armenia | |
| ARAGAY | Synonym of ARAGATS | Caucasus, Georgia & Armenia | |
| ARAISA | Synonym of ATSONUPURI | Kuril Islands | |
| ARAITO | Synonym of ALAID | Kuril Islands | |
| ARAITO-FUJI | Synonym of ALAID | Kuril Islands | |
| ARAMUACA, LAGUNA | Maar | Holocene | El Salvador & Honduras |
| ARANGUADI | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| ARARAT | Stratovolcano | Historical | Turkey |
| ARAUMAKUTAN | Synonym of KHARIMKOTAN | Kuril Islands | |
| ARAYAT | Stratovolcano | Holocene? | Luzon |
| ARAYU HOT SPRING | Thermal Feature of TAKAHARA | Honshu | |
| ARBRE | Cone of KARISIMBI | Africa (central) | |
| ARCHIAVERNO | Tuff cone of CAMPI FLEGREI | Italy | |
| ARCTOWSKY | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| ARCTURUS LAKE | Crater of GENOVESA | Galápagos Islands | |
| ARDJOENO [ARJUNO] | Stratovolcano of ARJUNO-WELIRANG | Java | |
| ARDOUKOBA | Fissure vents | Historical | Africa (northeastern) & Red Sea |
| ARDSCHICH DAGH | Synonym of ERCIYES DAGI | Turkey | |
| AREIA, PICO DA | Dome of FURNAS | Azores | |
| AREKIKAPAKAPA | Thermal Feature of ROTORUA | New Zealand | |
| ARENA, MONTANA DE LA | Cone of FUERTEVENTURA | Canary Islands | |
| ARENAL | Stratovolcano | Historical | Costa Rica |
| ARENAL I | Dome of ATACAZO | Ecuador | |
| ARENAL II | Dome of ATACAZO | Ecuador | |
| ARENAL, CERRO | Cinder cone of MASAYA | Nicaragua | |
| ARENAL, VOLCAN | Tuff ring of LANIN | Central Chile & Argentina | |
| ARENALES | Stratovolcano | Historical | Southern Chile & Argentina |
| ARENAS | Cone of HUMEROS, LOS | México | |
| ARENAS | Crater of RUIZ, NEVADO DEL | Colombia | |
| ARENAS, MONTANA DE LAS [VOLCAN DE GUIMAR] | Cinder cone of TENERIFE | Canary Islands | |
| AREQUIPA, VOLCAN DE | Synonym of MISTI, EL | Perú | |
| 'ARES, DJEBEL EL- [JABAL 'URAIS] | Cone of SAWAD, HARRA ES- | Arabia | |
| ARFAT | Synonym of GAMALAMA | Halmahera | |
| ARGAEUS MONS (ARGAIOS) | Synonym of ERCIYES DAGI | Turkey | |
| ARGAPURA | Stratovolcano of IYANG-ARGAPURA | Java | |
| ARGELIA, CERRO DE | Cone of FLORES | Guatemala | |
| ARGOPEORO [ARGAPURA] | Stratovolcano of IYANG-ARGAPURA | Java | |
| ARHAB, HARRA OF | Volcanic field | Historical | Arabia |
| ARICCIA | Maar of ALBAN HILLS | Italy | |
| ARIS ISLAND | Synonym of BOISA | Northeast of New Guinea | |
| ARJUNO-WELIRANG | Stratovolcano | Historical | Java |
| ARKATHIO | Dome of MILOS | Greece | |
| ARMADILLO PEAK | Stratovolcano of EDZIZA | Canada | |
| ARMADO, EL | Cone of TURRIALBA | Costa Rica | |
| ARMADO, ISLA EL | Tuff ring of ZAPATERA | Nicaragua | |
| ARMAGAN | Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| ARMARELO, MONTE | Cone of FOGO | Cape Verde Islands | |
| ARNARDALSOLDUGJOSKA YNGRI | Crater Row of KVERKFJOLL | Iceland (northeastern) | |
| ARNARSETUR | Crater Row of REYKJANES | Iceland (southwestern) | |
| AROOMA | Crater of DUBBI | Africa (northeastern) & Red Sea | |
| AROP | Synonym of LONG ISLAND | Northeast of New Guinea | |
| ARPONG | Cone of ULREUNG | Korea | |
| ARRABALES, CALDERA DE LOS | Cinder cone of FUERTEVENTURA | Canary Islands | |
| ARRAU, VOLCAN | Dome of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| ARRAYANES | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| ARROYO COLORADO | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO IXTAHUATONTE | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO LA CUARTILLA | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO LAS ANIMAS | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO LOS PILAS | Dome of PRIMAVERA, SIERRA LA | México | |
| ARROYO SAN JOSE | Synonym of JARAGUAY VOLCANIC FIELD | México | |
| ARROYO SAUCILLO | Vent of PRIMAVERA, SIERRA LA | México | |
| ARSHAN | Cinder cones | Radiocarbon | China (eastern) |
| ARSO | Cone of ISCHIA | Italy | |
| ARSO, MONTE | Cinder cone of ETNA | Italy | |
| ARTALI | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| ARTEMISIO | Synonym of ALBAN HILLS | Italy | |
| ARTEMISIO-TUSCOLANA [TUSCOLANA-ARTEMISIO] | Pleistocene caldera of ALBAN HILLS | Italy | |
| ARUBA ROCK | Tuff cone of NAMARUNU | Africa (eastern) | |
| ARUCAS, MONTANA DE | Cone of GRAN CANARIA | Canary Islands | |
| ARUFAT | Synonym of GAMALAMA | Halmahera | |
| ARUFTA | Stratovolcano of GABILLEMA | Africa (northeastern) & Red Sea | |
| ARUICAS, MONTANA | Cone of GRAN CANARIA | Canary Islands | |
| ARUM, GUNUNG | Cone of SUNDORO | Java | |
| ARUSI | Cone of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| AS SAFA | Synonym of ES SAFA | Syria | |
| AS SUMTH [ET-TADAWIN] | Tuff cone of HAYLAN, JABAL | Arabia | |
| ASACHA | Complex volcano | Holocene | Kamchatka Peninsula |
| ASACHA | Synonym of MUTNOVSKY | Kamchatka Peninsula | |
| ASACHA | Synonym of GORELY | Kamchatka Peninsula | |
| ASAHI-DAKE | Stratovolcano of NASU | Honshu | |
| ASAHI-DAKE | Stratovolcano of DAISETSU | Hokkaido | |
| ASAHINA-DAKE | Dome of OSORE-YAMA | Honshu | |
| ASAKIZUKA | Cone of FUJI | Honshu | |
| ASAM, WAI | Thermal Feature of HULUBELU | Sumatra | |
| ASAMA | Complex volcano | Historical | Honshu |
| ASAR | Shield volcano of HENGILL | Iceland (southwestern) | |
| ASASE | Cone of KIKAI | Ryukyu Islands & Kyushu | |
| ASAVIO | Synonym of ASAVYO | Africa (northeastern) & Red Sea | |
| ASAVYO | Shield volcano | Holocene | Africa (northeastern) & Red Sea |
| ASAY KNOLL | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| ASBORU | Stratovolcano of GABILLEMA | Africa (northeastern) & Red Sea | |
| ASCENSION | Stratovolcano | Holocene | Atlantic Ocean (central) |
| ASDAGA | Synonym of SORK ALE | Africa (northeastern) & Red Sea | |
| ASEBA, OL DOINYO | Cone of CHYULU HILLS | Africa (eastern) | |
| ASH CONE | Cone of MERU | Africa (eastern) | |
| ASH HILL | Tuff cone of AUCKLAND FIELD | New Zealand | |
| ASH MOUNTAIN | Tuya of TUYA VOLCANIC FIELD | Canada | |
| ASH PIT, THE | Cone of SPECTRUM RANGE | Canada | |
| ASHEN HILLS | Cone of MICHAEL | Antarctica & South Sandwich Islands | |
| ASHES VENT FIELD | Thermal Feature of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| ASHI SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| ASHTARAK | Pyroclastic Cone of ARAGATS | Caucasus, Georgia & Armenia | |
| 'ASI, HALA-'L- | Tuff cone of 'UWAYRID, HARRAT | Arabia | |
| ASI, MT. | Cone of SAVAI'I | Samoan & Wallis Islands | |
| ASIN | Thermal Feature of PINATUBO | Luzon | |
| ASIN HOT SPRING | Thermal Feature of NATIB | Luzon | |
| ASK | Thermal Feature of DAMAVAND | Iran & Afghanistan | |
| ASKAHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| ASKEDNA HOT SPRING | Thermal Feature of BABUYAN CLARO | North of Luzon | |
| ASKJA | Stratovolcano | Historical | Iceland (northeastern) |
| ASLAJ, JABAL | Cinder cone of KISHB, HARRAT | Arabia | |
| ASMARA | Pyroclastic Cone of DAMA ALI | Africa (northeastern) & Red Sea | |
| ASO | Caldera | Historical | Ryukyu Islands & Kyushu |
| ASO-SAN | Synonym of ASO | Ryukyu Islands & Kyushu | |
| ASO-UCHINOMAKI | Thermal Feature of ASO | Ryukyu Islands & Kyushu | |
| ASOBENOMORI | Synonym of IWAKI | Honshu | |
| ASOG | Synonym of IRIGA | Luzon | |
| ASOMADA, MONTANA DE | Cinder cone of HIERRO | Canary Islands | |
| ASOMADAS NEGRAS, MONTANA | Cinder cone of HIERRO | Canary Islands | |
| ASOSOSCA, CERRO | Stratovolcano of PILAS, LAS | Nicaragua | |
| ASOSOSCA, LAGUNA DE | Maar of PILAS, LAS | Nicaragua | |
| ASOSOSCA, LAGUNA DE | Maar of NEJAPA-MIRAFLORES | Nicaragua | |
| ASPERO, CERRO | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| ASPRONISI | Tuff ring of SANTORINI | Greece | |
| ASSAB VOLCANIC FIELD | Volcanic field | Holocene | Africa (northeastern) & Red Sea |
| ASSALO | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| ASSIRMATSKY | Synonym of EBEKO | Kuril Islands | |
| ASSONGSONG | Synonym of ASUNCION | Izu, Volcano, & Mariana Islands | |
| ASTILLERO, CERRITO EL | Lava cone of CHIQUIMULA VOLCANIC FIELD | Guatemala | |
| ASTILLERO, CERRO EL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| ASTILLERO, CERRO EL | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| ASTROL, PUIG | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| ASTRONI | Tuff ring of CAMPI FLEGREI | Italy | |
| ASUNCION | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| ASUNCION, LA | Cone of SUCHITAN | Guatemala | |
| ASUR | Synonym of YASUR | Vanuatu | |
| AT-TABAB | Tuff cone of BAL HAF, HARRA OF | Arabia | |
| ATACAMA, VOLCAN DE | Synonym of LICANCABUR | Northern Chile, Bolivia & Argentina | |
| ATACAMA, VOLCAN DE | Synonym of LASTARRIA | Northern Chile, Bolivia & Argentina | |
| ATACAZO | Stratovolcano | Radiocarbon | Ecuador |
| ATAGAWA-KAIKYU | Submarine vent of IZU-TOBU | Honshu | |
| ATAKOR VOLCANIC FIELD | Scoria cones | Holocene | Africa (northern) |
| ATALAYA, LA | Cone of TENERIFE | Canary Islands | |
| ATAPIJUK, BUKIT | Cone of HUTAPANJANG | Sumatra | |
| ATCHI-YAMA [ACHI-YAMA] | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| ATEXCAC, LAGUNA | Maar of SERDAN-ORIENTAL | México | |
| ATIAMURI | Thermal Feature of MAROA | New Zealand | |
| ATIMBIA, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| ATITLAN | Stratovolcano | Historical | Guatemala |
| ATKA | Stratovolcanoes | Historical | Aleutian Islands |
| ATLACORRA, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| ATLAS, MOUNT [MOUNT PLEIONES] | Stratovolcano of PLEIADES, THE | Antarctica & South Sandwich Islands | |
| ATLASOV (ATLASOVA) | Synonym of NYLGIMELKIN | Kamchatka Peninsula | |
| ATLASOV | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| ATLIN VOLCANIC FIELD | Cinder cones | Holocene | Canada |
| ATLIXCOS, LOS | Shield volcano | Holocene | México |
| ATOSA (ATOSANOBORI) | Synonym of ATSONUPURI | Kuril Islands | |
| ATOSANUPURI | Dome of KUTCHARO | Hokkaido | |
| ATOSANUPURI | Synonym of ATSONUPURI | Kuril Islands | |
| ATSONUPURI | Stratovolcano | Historical | Kuril Islands |
| ATTALORA, CUDDIA | Cone of PANTELLERIA | Italy | |
| ATTI-YAMA [ACHI-YAMA] | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| ATTUS | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| ATUEL, CALDERA DEL | Caldera | Holocene | Central Chile & Argentina |
| ATUG | Cone of MOTLAV | Vanuatu | |
| ATUK MOUNTAIN | Cone of KOOKOOLIGIT MOUNTAINS | Alaska (western) | |
| ATUNAPARA | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| ATUPUTIH | Cone of KEMBAR | Sumatra | |
| ATWELL PEAK | Dome of GARIBALDI | Canada | |
| AUCANQUILCHA | Stratovolcano | Pleistocene-Fumarolic | Northern Chile, Bolivia & Argentina |
| AUCKLAND FIELD | Volcanic field | Radiocarbon | New Zealand |
| AUEL | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| AUGUSTINE | Lava domes | Historical | Alaska (southwestern) |
| AUNUU ISLAND | Tuff cone of TUTUILA | Samoan & Wallis Islands | |
| AUQUIHUATO, CERRO | Cinder cone | Holocene? | Perú |
| AURUHOE [NGAURUHOE] | Stratovolcano of TONGARIRO | New Zealand | |
| AUSOLES | See proper name (e.g. SAN VICENTE, AUSOLES DE) | Spanish for FUMAROLE FIELD | |
| AUSTURHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| AUVERGNE, MONTS D' | Synonym of CHAINE DES PUYS | Western Europe | |
| AVACHA | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| AVACHI | Cone of AVACHINSKY | Kamchatka Peninsula | |
| AVACHINSKAIA, SOPKA | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| AVACHINSKY | Stratovolcano | Historical | Kamchatka Peninsula |
| AVAZAN | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| AVDALSMOYA | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| AVERNO | Tuff ring of CAMPI FLEGREI | Italy | |
| AVLHAUGENE | Tuff ring of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| AWAATUA BAY | Crater of OKATAINA | New Zealand | |
| AWARU RIVER | Synonym of MUSA RIVER | New Guinea & D'Entrecasteaux Islands | |
| AWASA | Pleistocene caldera of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| AWATSCHA (AWATSCHINSKIJ) | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| 'AWAYRIDH, HARRAT EL- | Synonym of 'UWAYRID, HARRAT | Arabia | |
| AWIBENGKOK | Thermal Feature of PERBAKTI-GAGAK | Java | |
| AWOE | Synonym of AWU | Sangihe Islands | |
| AWOEH | Synonym of KARANGETANG [API SIAU] | Sangihe Islands | |
| AWU | Stratovolcano | Historical | Sangihe Islands |
| AXIAL GARDENS VENT FIELD | Thermal Feature of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| AXIAL SEAMOUNT | Submarine volcano | Historical | Pacific Ocean (northern) |
| AXLARGIGUR | Fissure vent of HEKLA | Iceland (southern) | |
| AXUSCO [LAGUNA DE ASOSOSCA] | Maar of PILAS, LAS | Nicaragua | |
| AY-ALU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AYAGSH | Synonym of MAKUSHIN | Aleutian Islands | |
| AYAKAN | Crater of GUNTUR | Java | |
| AYAKTAS TEPE | Cone of ACIGOL-NEVSEHIR | Turkey | |
| AYALU | Synonym of AYELU | Africa (northeastern) & Red Sea | |
| AYAQUEME, CERRO | Cone of CHICHINAUTZIN | México | |
| AYECO [MALA CARA] | Stratovolcano of SANTA ANA | El Salvador & Honduras | |
| AYELU | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| AYER PANAS | Thermal Feature of LUMUT BALAI, BUKIT | Sumatra | |
| AYGIRGOLU | Maar of SUPHAN DAGI | Turkey | |
| AYMOND | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| AYYALU | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| AZAFATUDO, CERRO | Synonym of SOTARA | Colombia | |
| AZAS PLATEAU | Volcanic field | Holocene | Russia (southeastern) |
| AZEITONA, PICO DA | Cone of FURNAS | Azores | |
| AZHDAHAK | Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| AZUCAR, PITON DE [PICO DEL TEIDE] | Stratovolcano of TENERIFE | Canary Islands | |
| AZUFRADO | Stratovolcano of PLATANAR | Costa Rica | |
| AZUFRADOS, BANOS | Thermal Feature of ALMOLONGA | Guatemala | |
| AZUFRAL | Thermal Feature of TECUAMBURRO | Guatemala | |
| AZUFRAL | Stratovolcano | Radiocarbon | Colombia |
| AZUFRAL DE TUQUERRES | Synonym of AZUFRAL | Colombia | |
| AZUFRAL, EL | Crater of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| AZUFRALES | Thermal Feature of RINCON DE LA VIEJA | Costa Rica | |
| AZUFRE | Caldera of PLANCHON-PETEROA | Central Chile & Argentina | |
| AZUFRE, BANOS | Thermal Feature of PLANCHON-PETEROA | Central Chile & Argentina | |
| AZUFRE, CERRO DE | Synonym of LASTARRIA | Northern Chile, Bolivia & Argentina | |
| AZUFRE, CERRO DE | Synonym of COPIAPO | Northern Chile, Bolivia & Argentina | |
| AZUFRE, CERRO DEL | Stratovolcano | Holocene? | Northern Chile, Bolivia & Argentina |
| AZUFRE, MT. | Thermal Feature of MANDALAGAN | Central Philippines | |
| AZUFRE, VOLCAN DE | Thermal Feature of NEGRA, SIERRA | Galápagos Islands | |
| AZUFRE, VOLCAN EL | Stratovolcano of TRES VIRGENES | México | |
| AZUFRE-PLACHON-PETEROA | Synonym of PLANCHON-PETEROA | Central Chile & Argentina | |
| AZUFREAS, VOLCAN | Stratovolcano of TINGUIRIRICA | Central Chile & Argentina | |
| AZUFRERA AGUAS CALIENTES, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERA PERRO MUERTO, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERA YACIMIENTO, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERAS TUYAJTO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| AZUFRERES, LAS [LOS AZUFRES] | Thermal Feature of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| AZUFRES, LOS | Caldera | Pleistocene-Fumarolic | México |
| AZUFRES, LOS | Thermal Feature of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| AZUL, CERRO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| AZUL, CERRO | Shield volcano | Historical | Galápagos Islands |
| AZUL, CERRO | Cone of SAN CRISTOBAL | Galápagos Islands | |
| AZUL, CERRO | Stratovolcano | Historical | Central Chile & Argentina |
| AZUL, VOLCAN | Cinder cones | Holocene | Nicaragua |
| AZUMA | Stratovolcanoes | Historical | Honshu |
| AZUMA-KOFUJI | Cone of AZUMA | Honshu | |
| AZUMA-KOHUZI [AZUMA-KOFUJI] | Cone of AZUMA | Honshu | |
| AZUMA-YAMA | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| AZUMA-YAMA | Synonym of FUJI | Honshu | |
| BA, JABAL [JABAL BA'A] | Cone of BIRK, HARRAT AL | Arabia | |
| BA-YAN | Thermal Feature of TATUN GROUP | Taiwan | |
| BA'A, JABAL | Cone of BIRK, HARRAT AL | Arabia | |
| BAARLEY | Cinder cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BABASE | Stratovolcano of AMBITLE | New Ireland | |
| BABBINGTONS HILL | Dome of NEWER VOLCANICS PROV | Australia | |
| BABILONIA, CERRO | Stratovolcano of YOJOA, LAKE | El Salvador & Honduras | |
| BABIY KAMEN | Dome of BARKHATNAYA SOPKA | Kamchatka Peninsula | |
| BABUYAN CLARO | Stratovolcanoes | Historical | North of Luzon |
| BABUYAN, MT. [SMITH VOLCANO] | Cinder cone of BABUYAN CLARO | North of Luzon | |
| BACHELOR | Stratovolcano | Tephrochronology | USA (Oregon) |
| BACHELOR BUTTE | Synonym of BACHELOR | USA (Oregon) | |
| BACKLOCKDAM | Crater of HALLA | Korea | |
| BACOLI | Crater of CAMPI FLEGREI | Italy | |
| BACON-MANITO COMPLEX | Synonym of POCDOL MOUNTAINS | Luzon | |
| BADAK | Crater of KELUT | Java | |
| BADAK, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| BADDI KOMA | Tuff cone of ARDOUKOBA | Africa (northeastern) & Red Sea | |
| BADGER PEAK | Cone of MEDICINE LAKE | USA (California) | |
| BADILLO CRATER | Maar of PINACATE | México | |
| BADJINI | Cone of KARTHALA | Indian Ocean (western) | |
| BADLANDS | Synonym of ELMENTEITA BADLANDS | Africa (eastern) | |
| BADSVALLAGIGIR | Crater Row of REYKJANES | Iceland (southwestern) | |
| BAEGDU | Synonym of CHANGBAISHAN | China (eastern) | |
| BAEJARHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| BAEKDOOSAN | Synonym of CHANGBAISHAN | China (eastern) | |
| BAGA TOGO UUL | Cinder cone of KHANUY GOL | Mongolia | |
| BAGAGAURE | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| BAGANA | Lava cone | Historical | Bougainville & Solomon Islands |
| BAGIAI | Cone of KARKAR | Northeast of New Guinea | |
| BAGUSA | Crater of BUNYARUGURU | Africa (central) | |
| BAIA | Tuff ring of CAMPI FLEGREI | Italy | |
| BAIA DI LEVANTE | Thermal Feature of VULCANO | Italy | |
| BAIDJAN | Thermal Feature of DAMAVAND | Iran & Afghanistan | |
| BAISHAN [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| BAITOUSHAN | Synonym of CHANGBAISHAN | China (eastern) | |
| BAIYUDA VOLC FIELD | Synonym of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| BAJAWA | Thermal Feature of INIERIE | Lesser Sunda Islands | |
| BAKAL | Cone of ARJUNO-WELIRANG | Java | |
| BAKANG (BAKANGIN) | Synonym of BAKENING | Kamchatka Peninsula | |
| BAKENING | Stratovolcano | Tephrochronology | Kamchatka Peninsula |
| BAKENING | Stratovolcano | Tephrochronology | Kamchatka Peninsula |
| BAKER | Stratovolcanoes | Historical | USA (Washington) |
| BAKER HOT SPRINGS | Thermal Feature of BAKER | USA (Washington) | |
| BAKIA WARM SPRINGS | Thermal Feature of BANAHAW | Luzon | |
| BAKKENIN | Synonym of BAKENING | Kamchatka Peninsula | |
| BAL HAF, HARRA OF | Volcanic field | Holocene | Arabia |
| BALAI, BUKIT | Stratovolcano of LUMUT BALAI, BUKIT | Sumatra | |
| BALAK | Caldera of SEKINCAU BELIRANG | Sumatra | |
| BALANTOK | Cone of TAAL | Luzon | |
| BALASTRERA, EL CERRITO [CERRO EL CERRITO] | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| BALATOCAN | Synonym of BALATUKAN | Mindanao | |
| BALATUKAN | Compound volcano | Uncertain | Mindanao |
| BALBI | Stratovolcano | Holocene | Bougainville & Solomon Islands |
| BALD CRATER | Cinder cone of CRATER LAKE | USA (Oregon) | |
| BALD KNOLL | Cinder cones | Holocene | USA (Utah) |
| BALENG | Maar of OKU VOLCANIC FIELD | Africa (western) | |
| BALI, PEAK OF | Synonym of AGUNG | Lesser Sunda Islands | |
| BALILE | Cone of ILIBOLENG | Lesser Sunda Islands | |
| BALINGOAN | Synonym of BALATUKAN | Mindanao | |
| BALJANE | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BALLENA, CERRO | Tuff cone of NEGRA, SIERRA | Galápagos Islands | |
| BALMANN, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BALMET, PUY | Cone of CHAINE DES PUYS | Western Europe | |
| BALONG ANITO | Thermal Feature of MARIVELES | Luzon | |
| BALUAN | Stratovolcano | Holocene? | Admiralty Islands |
| BALURAN | Stratovolcano | Holocene? | Java |
| BALUSAN | Synonym of BULUSAN | Luzon | |
| BALUT | Stratovolcano | Fumarolic | Mindanao |
| BAM | Stratovolcano | Historical | Northeast of New Guinea |
| BAMAOQIONGZHONG | Shield volcano of UNNAMED | China (western) | |
| BAMBANG, GUNUNG | Maar of MURIA | Java | |
| BAMBULUWE, LAKE | Maar of OKU VOLCANIC FIELD | Africa (western) | |
| BAMNI | Synonym of PORAK | Caucasus, Georgia & Armenia | |
| BAMUS | Stratovolcano | Anthropology | New Britain |
| BAN-YAGAMINE | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| BANAHAO | Synonym of BANAHAW | Luzon | |
| BANAHAW | Complex volcano | Holocene | Luzon |
| BANAHAW DE LUCBAN | Stratovolcano of BANAHAW | Luzon | |
| BANAJAO | Synonym of BANAHAW | Luzon | |
| BANBANLONGWAN | Crater of LONGGANG GROUP | China (eastern) | |
| BANCAH CALDERA | Caldera of MARAPI | Sumatra | |
| BANCEN | Thermal Feature of MERBABU | Java | |
| BANCO DI NISIDA | Tuff cone of CAMPI FLEGREI | Italy | |
| BANCO MISENO | Cone of CAMPI FLEGREI | Italy | |
| BANDA API | Caldera | Historical | Banda Sea |
| BANDAI | Stratovolcano | Historical | Honshu |
| BANDAI-SAN | Synonym of BANDAI | Honshu | |
| BANDAIKO HOT SPRINGS | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| BANDAMA, CALDERA DE | Maar of GRAN CANARIA | Canary Islands | |
| BANDERA CRATER | Cone of ZUNI-BANDERA | USA (New Mexico) | |
| BANDERA LAVA FIELD | Synonym of ZUNI-BANDERA | USA (New Mexico) | |
| BANDERA, CERRO | Cinder cone of ZUNI-BANDERA | USA (New Mexico) | |
| BANDERA, CERRO DE LA | Synonym of CONCHAGUA | El Salvador & Honduras | |
| BANDERAS, CERRO LAS | Dome of ZAPATERA | Nicaragua | |
| BANGA-BANGA | Dome of LABO | Luzon | |
| BANGESHAN | Cone of TENGCHONG | Southeast Asia | |
| BANGO | Synonym of PAGO | New Britain | |
| BANI ABDULLAH, HARRAT | Volcanic field of RAHAT, HARRAT | Arabia | |
| BANNIERES, PUY DES | Cone of CHAINE DES PUYS | Western Europe | |
| BANNOE LAKE | Maar of UZON | Kamchatka Peninsula | |
| BANOEA WOEHOE | Synonym of BANUA WUHU | Sangihe Islands | |
| BANOS | See proper name (e.g. AZUFRADOS, BANOS) | Spanish for SPA | |
| BANOS, CRATERES DE LOS | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BANOS, LOS | Thermal Feature of TROMEN | Central Chile & Argentina | |
| BANOS, NEVADO DE LOS | Synonym of PLANCHON-PETEROA | Central Chile & Argentina | |
| BANTJAH CALDERA [BANCAH CALDERA] | Caldera of MARAPI | Sumatra | |
| BANUA BAUJA (BANUA BAUYA) | Synonym of BANUA WUHU | Sangihe Islands | |
| BANUA WUHU | Submarine volcano | Historical | Sangihe Islands |
| BANYUDENG HOT SPRING | Thermal Feature of BRATAN | Lesser Sunda Islands | |
| BAR-ALI | Cone of DABBAYRA | Africa (northeastern) & Red Sea | |
| BAR-ALI | Cone of DABBAYRA | Africa (northeastern) & Red Sea | |
| BARACHUMA, GOF | Maar of MARSABIT | Africa (eastern) | |
| BARAHONA, CERRO | Pyroclastic Cone of NEGRA, SIERRA | Galápagos Islands | |
| BARANII [BARANY] | Stratovolcano of GAMCHEN | Kamchatka Peninsula | |
| BARANII AMPHITHEATER [BARANY AMPHITHEATER} | Crater of OPALA | Kamchatka Peninsula | |
| BARANSKII | Synonym of BARANSKY | Kuril Islands | |
| BARANSKY | Stratovolcano | Historical | Kuril Islands |
| BARANY | Stratovolcano of GAMCHEN | Kamchatka Peninsula | |
| BARANY AMPHITHEATER | Crater of OPALA | Kamchatka Peninsula | |
| BARARUMBO | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| BARBA | Synonym of BARVA | Costa Rica | |
| BARBERENA, CERRITO DE | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BARCA, MONTE | Cinder cone of ETNA | Italy | |
| BARCENA | Cinder cones | Historical | México |
| BARDARBUNGA | Stratovolcano | Historical | Iceland (northeastern) |
| BARDARLAUG | Cone of SNAEFELLSJOKULL | Iceland (western) | |
| BARE MOUNTAIN | Cone of WEST CRATER | USA (Washington) | |
| BARICCIA [BERICHA] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BARICHA [BERICHA] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BARIK | Stratovolcano of UMBOI | Northeast of New Guinea | |
| BARKHATNAYA | Cone of VILYUCHIK | Kamchatka Peninsula | |
| BARKHATNAYA SOPKA | Lava domes | Tephrochronology | Kamchatka Peninsula |
| BARME, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| BARNABE, PICO | Dome of AGUA DE PAU | Azores | |
| BARNABORG | Cone of LJOSUFJOLL | Iceland (western) | |
| BAROMBE KOTO, LAKE | Maar of TOMBEL GRABEN | Africa (western) | |
| BAROMBE MBO, LAKE | Maar of TOMBEL GRABEN | Africa (western) | |
| BAROS | Cone of SIBAYAK | Sumatra | |
| BARRANCAS, CERRO | Cone of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BARRANCAS, VOLCAN | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BARRANCO NEGRO, CERRO | Cinder cone of CINOTEPEQUE, CERRO | El Salvador & Honduras | |
| BARRANCO, EL | Maar of COSIGUINA | Nicaragua | |
| BARRANES COLORADO | Cone of HUEQUI | Southern Chile & Argentina | |
| BARRANTES, LOMA | Cinder cone of PLATANAR | Costa Rica | |
| BARREN ISLAND | Stratovolcano | Historical | Andaman Islands |
| BARRERA, CERRO | Cone of TENORIO | Costa Rica | |
| BARRIER, THE | Shield volcano | Historical | Africa (eastern) |
| BARRINGTON ISLAND | Synonym of SANTA FE | Galápagos Islands | |
| BARTHOLOME, PIC | Stratovolcano of KARISIMBI | Africa (central) | |
| BARTHOLOMEW ISLAND | Crater of SANTIAGO | Galápagos Islands | |
| BARU | Crater of GEDE | Java | |
| BARU | Stratovolcano | Historical | Panamá |
| BARU [GUNUNG BARUJARI] | Cone of RINJANI | Lesser Sunda Islands | |
| BARU, KABA | Crater of KABA | Sumatra | |
| BARU, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| BARU, KAWAH | Crater of PAPANDAYAN | Java | |
| BARUJARI, GUNUNG | Cone of RINJANI | Lesser Sunda Islands | |
| BARUN-NERTE-ULA | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| BARUS, BUKIT | Cone of SIBAYAK | Sumatra | |
| BARUTA | Stratovolcano of NYIRAGONGO | Africa (central) | |
| BARVA | Complex volcano | Tephrochronology | Costa Rica |
| BAS DONG NAI | Volcanic field | Holocene? | Southeast Asia |
| BASANJO | Synonym of LENGAI, OL DOINYO | Africa (eastern) | |
| BASAR | Synonym of BESAR | Sumatra | |
| BASEN | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BASILE, PICO DE | Synonym of SANTA ISABEL | Africa (western) | |
| BASILUZZO | Dome of PANAREA | Italy | |
| BASS MARLE | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BASSO NAROK | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BASTIONI HILL | Dome of MERU | Africa (eastern) | |
| BASTON | Crater of GALERAS | Colombia | |
| BASU | Cinder cone of SAN QUINTIN VOLCANIC FIELD | México | |
| BATANG | Dome of MERAPI | Java | |
| BATAPONA MOUNTAIN | Cone of BALUAN | Admiralty Islands | |
| BATEA, LA | Cone of MICHOACAN-GUANAJUATO | México | |
| BATHHOUSE SPRING | Thermal Feature of VALLES CALDERA | USA (New Mexico) | |
| BATIDORAS, LAS | Thermal Feature of COSIGUINA | Nicaragua | |
| BATOE | See proper name (e.g. TARA, BATOE) | Dutch spelling of Indonesian word for MT. | |
| BATOER | Synonym of BATUR | Lesser Sunda Islands | |
| BATOK | Cinder cone of TENGGER CALDERA | Java | |
| BATOR | Synonym of BATUR | Lesser Sunda Islands | |
| BATSHRAUN | Fissure vent of ASKJA | Iceland (northeastern) | |
| BATU | See proper name (e.g. ANGUS, BATU) | Indonesian for MT. | |
| BATU FIELD | Thermal Feature of KEMBAR | Sumatra | |
| BATUAN, MT. | Cone of BULUSAN | Luzon | |
| BATUHARANG, DOLOK | Cone of TOBA | Sumatra | |
| BATUKAU | Stratovolcano of BRATAN | Lesser Sunda Islands | |
| BATUKOLOK | Thermal Feature of TONDANO CALDERA | Sulawesi | |
| BATULAO, MT. | Stratovolcano of TAAL | Luzon | |
| BATUR | Caldera | Historical | Lesser Sunda Islands |
| BATURITI HOT SPRING | Thermal Feature of BRATAN | Lesser Sunda Islands | |
| BATUWALANG MERAPI | Stratovolcano of MERAPI | Java | |
| BAUL, EL [CERRO TECUN UMAN] | Dome of ALMOLONGA | Guatemala | |
| BAY OF ISLANDS | Synonym of KAIKOHE-BAY OF ISLANDS | New Zealand | |
| BAYABES | Dome of LABO | Luzon | |
| BAYAN-TSAGAN | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| BAYAQUITOS, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| BAYDA, JABAL | Tuff cone of KHAYBAR, HARRAT | Arabia | |
| BAYO, CERRO | Complex volcano | Holocene | Northern Chile, Bolivia & Argentina |
| BAYO, CERRO | Cone of TROMEN | Central Chile & Argentina | |
| BAYO, CERRO | Cone of TROMEN | Central Chile & Argentina | |
| BAYONESU-GANSHO | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| BAYONNAISE REEF | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| BAYONNAISE ROCKS | Submarine volcano | Historical | Izu, Volcano, & Mariana Islands |
| BAYUDA VOLCANIC FIELD | Cinder cones | Radiocarbon | Africa (northern) |
| BAYUYO | Vent of FUERTEVENTURA | Canary Islands | |
| BAZMAN | Stratovolcano | Fumarolic | Iran & Afghanistan |
| BEAGLE | Tuff cone of DARWIN | Galápagos Islands | |
| BEAR BUTTE | Cone of CRATER LAKE | USA (Oregon) | |
| BEAR WALLOW BUTTE | Cinder cone of TUMBLE BUTTES | USA (California) | |
| BEARHEAD PEAK | Dome of VALLES CALDERA | USA (New Mexico) | |
| BEARPAW BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BEAULOUP, MAAR DE | Maar of CHAINE DES PUYS | Western Europe | |
| BEAUNIT, CRATERE DE | Maar of CHAINE DES PUYS | Western Europe | |
| BEAVER RIDGE | Vent of BLACK ROCK DESERT | USA (Utah) | |
| BECCO, MT. | Cone of VULSINI | Italy | |
| BEDALI, RANU | Maar of LAMONGAN | Java | |
| BEDR, HALA-'L- | Cone of 'UWAYRID, HARRAT | Arabia | |
| BEDUL | Cone of ST. ANDREW STRAIT | Admiralty Islands | |
| BEEHIVES, THE | Dome of TARANAKI [EGMONT] | New Zealand | |
| BEEHIVES, THE [DAVAPIA ROCKS] | Cone of RABAUL | New Britain | |
| BEERENBERG | Stratovolcano of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BEGOUR | Maar of TOH, TARSO | Africa (northern) | |
| BEHM CANAL-RUDYERD BAY | Cinder cones | Holocene? | Alaska (eastern) |
| BEIGELAQIUSHAN | Cone of WUDALIANCHI | China (eastern) | |
| BEIHUOKOU | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| BEJENADO | Stratovolcano of LA PALMA | Canary Islands | |
| BEKEL, GUNUNG | Dome of PENANGGUNGAN | Java | |
| BELAIA SOPKA | Synonym of ICHINSKY | Kamchatka Peninsula | |
| BELAYA | Synonym of GREAT SITKIN | Aleutian Islands | |
| BELENKAYA | Stratovolcano | Holocene | Kamchatka Peninsula |
| BELERANG, GUNUNG | Synonym of COLO [UNA UNA] | Sulawesi | |
| BELESME | Cone of ERCIYES DAGI | Turkey | |
| BELFOND | Dome of QUALIBOU | West Indies | |
| BELIANKIN | Stratovolcano of AKADEMIA NAUK | Kamchatka Peninsula | |
| BELIANKIN [BELYANKIN] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BELINDA, MOUNT | Cone of MONTAGU ISLAND | Antarctica & South Sandwich Islands | |
| BELIRANG | Crater of SUMBING | Sumatra | |
| BELIRANG | Caldera of SEKINCAU BELIRANG | Sumatra | |
| BELIRANG | Thermal Feature of HULUBELU | Sumatra | |
| BELIRANG, GUNUNG | Synonym of KUNYIT | Sumatra | |
| BELIRANG-BERITI | Compound volcano | Fumarolic | Sumatra |
| BELKNAP | Shield volcanoes | Radiocarbon | USA (Oregon) |
| BELLAIRE, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| BELLAVISTA | Crater of CAMPI FLEGREI | Italy | |
| BELLAVISTA, CERRO | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| BELLAVISTA, LOMA | Cinder cone of LICTO | Ecuador | |
| BELLEVUE MOUNTAIN | Dome of DIABLES, MORNE AUX | West Indies | |
| BELLINGSHAUSEN ISLAND | Submarine vent of THULE ISLANDS | Antarctica & South Sandwich Islands | |
| BELLIZZI, CUDDIE | Vent of PANTELLERIA | Italy | |
| BELOW, MOUNT [MOUNT TALAWE] | Stratovolcano of LANGILA | New Britain | |
| BELU | Cone of INIERIE | Lesser Sunda Islands | |
| BELU, WAI | Thermal Feature of HULUBELU | Sumatra | |
| BELVEDERE | Crater of CAMPI FLEGREI | Italy | |
| BELVEDERE | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| BELY | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| BELYANKIN | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BELYI | Synonym of BELY | Kamchatka Peninsula | |
| BEN LOMOND | Dome of MAROA | New Zealand | |
| BEN LOMOND | Dome of TAUPO | New Zealand | |
| BENBOW | Crater of AMBRYM | Vanuatu | |
| BENDA | Synonym of DAKATAUA | New Britain | |
| BENGO, CERRO | Cinder cone of APASTEPEQUE FIELD | El Salvador & Honduras | |
| BENI HILAL, HARRA | Synonym of BIRK, HARRAT AL | Arabia | |
| BENI MAIMUN | Crater of ARHAB, HARRA OF | Arabia | |
| BENI ZUBEIR | Crater of ARHAB, HARRA OF | Arabia | |
| BEPPU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| BERAPI | Synonym of MARAPI | Sumatra | |
| BERAPI | Synonym of KERINCI | Sumatra | |
| BERAPI-ELOK | Crater of KERINCI | Sumatra | |
| BERCEK, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BERESOWSKAJA | Synonym of KARYMSKY | Kamchatka Peninsula | |
| BEREZOVAIA SOPKA | Synonym of KARYMSKY | Kamchatka Peninsula | |
| BEREZOVY | Cinder cone of ZAVARITSKY | Kamchatka Peninsula | |
| BEREZOVY | Stratovolcano of MALY SEMIACHIK | Kamchatka Peninsula | |
| BERG | Somma volcano of KOLOKOL GROUP | Kuril Islands | |
| BERG ISI [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| BERGHOLL | Shield volcano of REYKJANES | Iceland (southwestern) | |
| BERGJE | Dome of QUILL, THE | West Indies | |
| BERGVATNSARHRAUN | Crater Row of GRIMSVOTN | Iceland (northeastern) | |
| BERICCIO | Pumice cone of BORA-BERICCIO | Africa (northeastern) & Red Sea | |
| BERICHA | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BERICHA | Synonym of BORA-BERICCIO | Africa (northeastern) & Red Sea | |
| BERING | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BERITARIBI | Synonym of BERUTARUBE | Kuril Islands | |
| BERLIN | Pleistocene caldera of TECAPA | El Salvador & Honduras | |
| BERLIN | Shield volcanoes | Ar/Ar | Antarctica & South Sandwich Islands |
| BERLIN-TECAPA | Synonym of TECAPA | El Salvador & Honduras | |
| BERMEJA, MONTANA | Cone of FUERTEVENTURA | Canary Islands | |
| BERMEJA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| BERNA | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BERNADSKOGO [VERNADSKIY] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BERRAZALES | Thermal Feature of GRAN CANARIA | Canary Islands | |
| BERRITARABENOBORI | Synonym of BERUTARUBE | Kuril Islands | |
| BERTI HILLS | Synonym of KUTUM VOLCANIC FIELD | Africa (northern) | |
| BERTJEK, KAWAH [KAWAH BERCEK] | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BERU | Volcanic field | Holocene | Africa (northeastern) & Red Sea |
| BERUTARUBE | Stratovolcano | Holocene | Kuril Islands |
| BESAR | Stratovolcano? | Historical | Sumatra |
| BESAR, KABA [LAMA, KABA] | Crater of KABA | Sumatra | |
| BESER | Stratovolcano of SUMBING | Java | |
| BESSIE BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| BESYMYANNAYA | Synonym of BEZYMIANNY | Kamchatka Peninsula | |
| BETAFO | Cone of ANKARATRA FIELD | Indian Ocean (western) | |
| BEYONESU-RETUGAN | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| BEZYMIANNY | Stratovolcano | Historical | Kamchatka Peninsula |
| BEZYMJANNAJA SOPKA | Synonym of BEZYMIANNY | Kamchatka Peninsula | |
| BEZYMYANNAYA | Dome of UZON | Kamchatka Peninsula | |
| BEZYMYANNYI | Synonym of BEZYMIANNY | Kamchatka Peninsula | |
| BIAM | Synonym of BAM | Northeast of New Guinea | |
| BIAO, PICO | Synonym of SAN JOAQUIN | Africa (western) | |
| BIBI, GUNUNG | Cone of MERAPI | Java | |
| BIBINOI | Stratovolcanoes | Holocene | Halmahera |
| BICHBALICK [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| BIEI-DAKE | Stratovolcano of TOKACHI | Hokkaido | |
| BIEI-FUJI | Stratovolcano of TOKACHI | Hokkaido | |
| BIEM | Synonym of BAM | Northeast of New Guinea | |
| BIETE MENGEST | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| BIG BEN | Stratovolcano of HEARD | Indian Ocean (southern) | |
| BIG BOMB CRATER | Cinder cone of DIAMOND CRATERS | USA (Oregon) | |
| BIG CINDER BUTTE | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| BIG CRATERS | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| BIG GLASS MOUNTAIN [GLASS MOUNTAIN] | Dome of MEDICINE LAKE | USA (California) | |
| BIG GREEN HILL | Cinder cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| BIG HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| BIG JOHN | Former crater of WHITE ISLAND | New Zealand | |
| BIG LAVA BED CONE | Cinder cone of INDIAN HEAVEN | USA (Washington) | |
| BIG MT. WORRI | Cone of GARUA HARBOUR | New Britain | |
| BIG OBSIDIAN FLOW | Vent of NEWBERRY | USA (Oregon) | |
| BIG SAND BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BIHADI | Crater of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| BIHIRAM | Cone of KARISIMBI | Africa (central) | |
| BIHUNDE | Cone of NYAMURAGIRA | Africa (central) | |
| BIJAGUA | Dome of TENORIO | Costa Rica | |
| BIJIASHAN | Cone of WUDALIANCHI | China (eastern) | |
| BIKIN PLATEAU VOLC FIELD | Fissure vent of SIKHOTE-ALIN | Russia (southeastern) | |
| BIL TEPE | Dome of ERCIYES DAGI | Turkey | |
| BILATE RIVER FIELD | Maars | Holocene | Africa (northeastern) & Red Sea |
| BILIBIN | Cone of VERNADSKII RIDGE | Kuril Islands | |
| BILIRAN | Compound volcano | Historical | Central Philippines |
| BILIUKAYA [BILYUKAI] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BILLY MITCHELL | Pyroclastic shield | Radiocarbon | Bougainville & Solomon Islands |
| BILMA, MONTAÑA | Cinder cone of TENERIFE | Canary Islands | |
| BILYUKAI | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BILYUKAI | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BINALIK | Maar of NUNIVAK ISLAND | Alaska (western) | |
| BINANGUNAN, MT. | Stratovolcano of AMBANG | Sulawesi | |
| BINDLOE | Synonym of MARCHENA | Galápagos Islands | |
| BINEM | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BINGA | Dome of PACO | Mindanao | |
| BININTIANG MALAKI | Cone of TAAL | Luzon | |
| BININTIANG MALAQUI [BININTIANG MALAKI] | Cone of TAAL | Luzon | |
| BININTIANG MUNTI | Cone of TAAL | Luzon | |
| BINNA | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BINONE | Cinder cone of CAMIGUIN | Mindanao | |
| BINTACAN, MT. | Stratovolcano of BULUSAN | Luzon | |
| BINULUAN | Stratovolcano of AMBALATUNGAN GROUP | Luzon | |
| BIOKOS' | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BIR ALI | Synonym of BAL HAF, HARRA OF | Arabia | |
| BIR BAHRAHUT (BIR BAHUT) | Synonym of BIR BORHUT | Arabia | |
| BIR BARHOUT (BIR BARHUT) | Synonym of BIR BORHUT | Arabia | |
| BIR BORHUT | Volcanic field | Holocene? | Arabia |
| BIRD MOUNTAIN | Shield volcano of INDIAN HEAVEN | USA (Washington) | |
| BIRD NEST ISLAND | Crater of CENTRAL ISLAND | Africa (eastern) | |
| BIRK, HARRAT AL | Volcanic field | Holocene | Arabia |
| BIRO-YAMA | Stratovolcano of AKUSEKI-JIMA | Ryukyu Islands & Kyushu | |
| BIRUA | Cone of VISOKE | Africa (central) | |
| BISAROQUES, VOLCA LES | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| BISATI NDUBI | Cone of VISOKE | Africa (central) | |
| BISENTINA, ISOLA | Cone of VULSINI | Italy | |
| BISHAN WAKA | Pit crater of TEPI | Africa (northeastern) & Red Sea | |
| BISHOFTU HAYK | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| BISHOFTU VOLCANIC FIELD | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| BISHUSHA | Cone of NYAMURAGIRA | Africa (central) | |
| BISMA | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BISMARCK, LAGO | Maar of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| BISMO [BISMA] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BISOKE (BISOKO) | Synonym of VISOKE | Africa (central) | |
| BITINGAN, KAWAH | Crater of DIENG VOLCANIC COMPLEX | Java | |
| BITIVOGALA | Crater of SAVO | Bougainville & Solomon Islands | |
| BITJARA, LAKE | Maar of IBU | Halmahera | |
| BITUIN | Dome of PINATUBO | Luzon | |
| BIU PLATEAU | Volcanic field | Holocene? | Africa (western) |
| BIWA-IKE | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| BIWANOKUBA | Vent of UNZEN | Ryukyu Islands & Kyushu | |
| BJALLAGIGAR | Fissure vent of HEKLA | Iceland (southern) | |
| BJARNAREY | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| BJARNARFELL | Cone of GEYSIR | Iceland (southwestern) | |
| BJARNARFLAG | Crater Row of KRAFLA | Iceland (northeastern) | |
| BJARNARGIGAR [BJARNARFLAG] | Crater Row of KRAFLA | Iceland (northeastern) | |
| BLACK BLUFFS | Tuff cone of ST. PAUL ISLAND | Alaska (western) | |
| BLACK BUTTE | Dome of SHASTA | USA (California) | |
| BLACK BUTTE [CINDER CONE] | Cinder cone of LASSEN VOLCANIC CENTER | USA (California) | |
| BLACK BUTTE CRATER | Shield volcano of SHOSHONE LAVA FIELD | USA (Idaho) | |
| BLACK BUTTES | Stratovolcano of BAKER | USA (Washington) | |
| BLACK CRATER | Dome of TECAPA | El Salvador & Honduras | |
| BLACK FOREST | Thermal Feature of EAST DIAMANTE | Izu, Volcano, & Mariana Islands | |
| BLACK HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| BLACK HUMP | Dome of NORTH SISTER FIELD | USA (Oregon) | |
| BLACK KNOLL | Cinder cone of BALD KNOLL | USA (Utah) | |
| BLACK MOUNTAIN | Synonym of MERU | Africa (eastern) | |
| BLACK MOUNTAIN | Cone of MEDICINE LAKE | USA (California) | |
| BLACK PEAK | Synonym of VENIAMINOF | Alaska Peninsula | |
| BLACK PEAK | Stratovolcano | Radiocarbon | Alaska Peninsula |
| BLACK POINT | Cone of MONO LAKE VOLCANIC FIELD | USA (California) | |
| BLACK ROCK DESERT | Volcanic field | Radiocarbon | USA (Utah) |
| BLACK ROCK VOLCANO | Cone of BLACK ROCK DESERT | USA (Utah) | |
| BLACK TOP BUTTE | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| BLACK TUSK, THE | Stratovolcano of GARIBALDI LAKE | Canada | |
| BLACKFLY TUYA | Tuya of TUYA VOLCANIC FIELD | Canada | |
| BLACKWOOD, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BLAHNUKUR | Tuya of TORFAJOKULL | Iceland (southern) | |
| BLAKISTON | Synonym of TAO-RUSYR CALDERA | Kuril Islands | |
| BLANCA | Maar of MICHOACAN-GUANAJUATO | México | |
| BLANCA, CALDERA | Crater of LANZAROTE | Canary Islands | |
| BLANCA, MONTANA | Fissure vent of TENERIFE | Canary Islands | |
| BLANCA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| BLANCAS, CALDERAS | Cone of FUERTEVENTURA | Canary Islands | |
| BLANCAS, LOMAS | Stratovolcano | Holocene | Central Chile & Argentina |
| BLANCHE BAY | Synonym of RABAUL | New Britain | |
| BLANCHE CRATER | Cinder cone of SHOSHONE LAVA FIELD | USA (Idaho) | |
| BLANCO DEL ROBLEDO, CERR0 | Dome of ROBLEDO | Northern Chile, Bolivia & Argentina | |
| BLANCO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| BLANCO, CERRO | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| BLANCO, CERRO | Stratovolcano of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| BLAUFDEL [BURFELL I OLFUSI] | Shield volcano of HENGILL | Iceland (southwestern) | |
| BLERANG-BERITI | Synonym of BELIRANG-BERITI | Sumatra | |
| BLIZHNAYA PLOSKAYA [KRESTOVSKY] | Stratovolcano of USHKOVSKY | Kamchatka Peninsula | |
| BLIZHNY PLOSKI [KRESTOVSKY] | Stratovolcano of USHKOVSKY | Kamchatka Peninsula | |
| BLIZNETS | Stratovolcano | Holocene? | Kamchatka Peninsula |
| BLIZNETSY | Lava cone | Radiocarbon | Kamchatka Peninsula |
| BLOCKY CONE | Cone of ANIAKCHAK | Alaska Peninsula | |
| BLOSSEVILLE ISLAND | Synonym of KADOVAR | Northeast of New Guinea | |
| BLOWOUTS, THE | Vent of DEVILS GARDEN | USA (Oregon) | |
| BLUE LAKE | Crater of TONGARIRO | New Zealand | |
| BLUE LAKE | Crater of RAOUL ISLAND | Kermadec Islands | |
| BLUE LAKE | Tuff ring of NEWER VOLCANICS PROV | Australia | |
| BLUE LAKE CRATER | Maar | Radiocarbon | USA (Oregon) |
| BLUE MOUNTAIN | Dome of NEWER VOLCANICS PROV | Australia | |
| BLUE, VOLCAN | Synonym of AZUL, VOLCAN | Nicaragua | |
| BLUFF, THE | Cone of NEWER VOLCANICS PROV | Australia | |
| BLUMBANG | Dome of MURIA | Java | |
| BLUP BLUP | Stratovolcano | Holocene | Northeast of New Guinea |
| BM-CALDERA | Pleistocene caldera of SANTORINI | Greece | |
| BO-SHAN | Synonym of WUDALIANCHI | China (eastern) | |
| BOAT COVE | Synonym of RAOUL ISLAND | Kermadec Islands | |
| BOBADILLA, CRATER | Cone of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| BOBAOMBY | Cone of AMBRE-BOBAOMBY | Indian Ocean (western) | |
| BOBO | Thermal Feature of INIERIE | Lesser Sunda Islands | |
| BOBOPAJO | Caldera of JAILOLO | Halmahera | |
| BOBROF | Stratovolcano | Holocene? | Aleutian Islands |
| BOCA CANGREJO | Cinder cone of TENERIFE | Canary Islands | |
| BOCA TRONADORA | Fissure vent of SAN SALVADOR | El Salvador & Honduras | |
| BOCAS DE FOGO | Vent of PICO | Azores | |
| BOCAS MARIE | Crater of TENERIFE | Canary Islands | |
| BOCCA DEL VIULO | Vent of VESUVIUS | Italy | |
| BOCCA GRANDE | Crater of CUMBAL | Colombia | |
| BOCCA NUOVA | Crater of ETNA | Italy | |
| BOCHAROVA ? | Synonym of UGASHIK-PEULIK | Alaska Peninsula | |
| BODE AMEDA HAYK | Crater of BILATE RIVER FIELD | Africa (northeastern) & Red Sea | |
| BOEAL BOEALI | Synonym of SIBUALBUALI | Sumatra | |
| BOEDOEGASOE, GUNUNG [GUNUNG BUDUGASU] | Cone of ARJUNO-WELIRANG | Java | |
| BOEKIT | See proper name (e.g. DAWON, BOEKIT) | Dutch spelling of Indonesian word for HILL | |
| BOEKITDAOEN | Synonym of DAUN, BUKIT | Sumatra | |
| BOELIRAN, KAWAH [KAWAH BULIRAN] | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BOENDER [BUNDER] | Cone of BATUR | Lesser Sunda Islands | |
| BOER | See proper name (e.g. MOETELONG, BOER) | Dutch spelling of Indonesian word for HILL | |
| BOETAK [BUTAK] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BOETAK PETARANGAN [BUTAK PETARANGAN] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BOETAK, GUNUNG [GUNUNG BUTAK] | Cone of ARJUNO-WELIRANG | Java | |
| BOGANA | Synonym of BAGANA | Bougainville & Solomon Islands | |
| BOGATYR RIDGE | Stratovolcano | Holocene | Kuril Islands |
| BOGDAN KHMELNITSKII | Stratovolcano of CHIRIP | Kuril Islands | |
| BOGDANOVICH | Crater of VERNADSKII RIDGE | Kuril Islands | |
| BOGDANOVICH | Shield volcano of VYSOKY | Kamchatka Peninsula | |
| BOGGEL | Cone of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| BOGO-TOGO-ULA [BAGA TOGO UUL] | Cinder cone of KHANUY GOL | Mongolia | |
| BOGORIA | Shield volcano | Pleistocene-Geysers | Africa (eastern) |
| BOGOSLOF | Submarine volcano | Historical | Aleutian Islands |
| BOGOSLOF HILL | Shield volcano of ST. PAUL ISLAND | Alaska (western) | |
| BOGOUSAR | Pyroclastic Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| BOI | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BOI, PICO DO | Cone of SETE CIDADES | Azores | |
| BOILING LAKE | Thermal Feature of WATT, MORNE | West Indies | |
| BOILING SPRINGS LAKE | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| BOINA | Cone of DABBAHU | Africa (northeastern) & Red Sea | |
| BOINA | Cone of DABBAHU | Africa (northeastern) & Red Sea | |
| BOINA | Fumarole field | Pleistocene-Fumarolic | Africa (northeastern) & Red Sea |
| BOIS D'INDE FRANCIOU | Dome of QUALIBOU | West Indies | |
| BOIS D'INDIE | Dome of PLAT PAYS, MORNE | West Indies | |
| BOISA | Stratovolcano | Holocene? | Northeast of New Guinea |
| BOKI, WOLO | Crater of INIELIKA | Lesser Sunda Islands | |
| BOKKI | Crater Row of TUNGNAFELLSJOKULL | Iceland (northeastern) | |
| BOKLUCA | Cone of ERCIYES DAGI | Turkey | |
| BOKOVOI | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BOLA | Stratovolcano | Holocene | New Britain |
| BOLETAS, CERRO | Dome of VALLES CALDERA | USA (New Mexico) | |
| BOLICHE | Dome of CHACANA | Ecuador | |
| BOLIN | Synonym of ILIBOLENG | Lesser Sunda Islands | |
| BOLJSHAIA UDINA [BOLSHAYA UDINA] | Stratovolcano of UDINA | Kamchatka Peninsula | |
| BOLJSHOY [BOLSHOI] | Shield volcano of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| BOLLONS ISLAND | Cone of ANTIPODES ISLAND | Pacific Ocean (southern) | |
| BOLSA, CERRO LA | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| BOLSA, CERRO LA | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| BOLSENA | Pleistocene caldera of VULSINI | Italy | |
| BOLSHAYA PLOSKY [DALJNY PLOSKY] | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| BOLSHAYA UDINA | Stratovolcano of UDINA | Kamchatka Peninsula | |
| BOLSHE-BANNAYA | Lava domes | Holocene | Kamchatka Peninsula |
| BOLSHE-BANNY | Thermal Feature of BOLSHE-BANNAYA | Kamchatka Peninsula | |
| BOLSHOI | Shield volcano of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| BOLSHOI DOME | Dome of ANIAKCHAK | Alaska Peninsula | |
| BOLSHOI PAYALPAN | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| BOLSHOI SEMIACHIK | Synonym of MALY SEMIACHIK | Kamchatka Peninsula | |
| BOLSHOI SEMIACHIK | Stratovolcanoes | Radiocarbon | Kamchatka Peninsula |
| BOLSHOI SITKIN | Synonym of GREAT SITKIN | Aleutian Islands | |
| BOLSHOI-KEKUKNAYSKY | Shield volcanoes | Radiocarbon | Kamchatka Peninsula |
| BOLSHOY PAYALPAN | Synonym of BOLSHOI PAYALPAN | Kamchatka Peninsula | |
| BOL'SHOY SEMYACHIK | Synonym of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BOLSHOY-KEKUKNAYSKY | Synonym of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| BOLUDO | Cinder cone of CHICHINAUTZIN | México | |
| BOMB PEAK | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| BOMBALAI | Pyroclastic cone | Holocene? | Borneo |
| BOMBARDA | Pumice cone of MILOS | Greece | |
| BOMBELLESTOPPEN | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BOMBON, LAKE | Synonym of TAAL | Luzon | |
| BONA-CHURCHILL | Synonym of CHURCHILL | Alaska (eastern) | |
| BONACCORSI-MONTARELLO | Cinder cone of ETNA | Italy | |
| BONDE | Cone of KARISIMBI | Africa (central) | |
| BONDHOLSHRAUN | Shield volcano of KRAFLA | Iceland (northeastern) | |
| BONETE DE CARRAO | Cone of ESTELI | Nicaragua | |
| BONETE, CERRO EL | Stratovolcano of MOYUTA | Guatemala | |
| BONGKOK, BUKIT | Cone of BATUR | Lesser Sunda Islands | |
| BONGOLE, GOF | Maar of MARSABIT | Africa (eastern) | |
| BONGSU, KEPUNDAN | Crater of MARAPI | Sumatra | |
| BONIN, MORNE | Dome of QUALIBOU | West Indies | |
| BONITA BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BONITA, LOMA | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| BONNET, LE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BONO | Crater of UMBOI | Northeast of New Guinea | |
| BONSULTON, CUDDIE | Vent of PANTELLERIA | Italy | |
| BOOBY HILL | Dome of SABA | West Indies | |
| BOOMERANG SEAMOUNT | Submarine volcano | Historical | Indian Ocean (southern) |
| BOOSER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BOOT ROCK | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| BOQUERON, AUSOLES EL | Thermal Feature of CHINAMECA | El Salvador & Honduras | |
| BOQUERON, EL | Synonym of BARCENA | México | |
| BOQUERON, EL | Stratovolcano of SAN SALVADOR | El Salvador & Honduras | |
| BOQUERON, EL | Dome of TENERIFE | Canary Islands | |
| BOQUERONCITO | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| BOQUERONCITOS | Fissure vent of SAN SALVADOR | El Salvador & Honduras | |
| BOR GHELEBA | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BOR-ELI | Synonym of BORALE ALE | Africa (northeastern) & Red Sea | |
| BORA | Pumice cone of BORA-BERICCIO | Africa (northeastern) & Red Sea | |
| BORA-BERICCIO | Pumice cones | Holocene | Africa (northeastern) & Red Sea |
| BORALE ALE | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| BORAULE | Synonym of BORAWLI | Africa (northeastern) & Red Sea | |
| BORAWLI | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| BORAWLI | Lava domes | Holocene | Africa (northeastern) & Red Sea |
| BORDER MOUNTAIN | Cone of MEDICINE LAKE | USA (California) | |
| BORELE-ALI | Synonym of BORALE ALE | Africa (northeastern) & Red Sea | |
| BORGAHRAUN | Fissure vent of THEISTAREYKJARBUNGA | Iceland (northeastern) | |
| BORGARHOLAR | Cone of GRIMSNES | Iceland (southwestern) | |
| BORGARHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| BORIATIKO VOUNO | Dome of NISYROS | Greece | |
| BORIQUEN | Thermal Feature of RINCON DE LA VIEJA | Costa Rica | |
| BORISYAK, MT. | Cone of LOMONOSOV GROUP | Kuril Islands | |
| BORO, GOF | Maar of MARSABIT | Africa (eastern) | |
| BORREGO, CERRO EL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| BORT | Stratovolcano of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BORTOVAYA | Dome of UZON | Kamchatka Peninsula | |
| BORY | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BORZOV | Cone of KOLOKOL GROUP | Kuril Islands | |
| BOSCHAN [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| BOSCO DEI CONTI | Cone of ISCHIA | Italy | |
| BOSCO DELLA MADDALENA | Stratovolcano of ISCHIA | Italy | |
| BOSET | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSET-BERICHA | Stratovolcanoes | Holocene | Africa (northeastern) & Red Sea |
| BOSETI-BARICCIA | Synonym of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSETI-BERICCIA [BERICHA] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSETI-GUDDA [BOSET] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| BOSOTLAN | Synonym of SAN MIGUEL | El Salvador & Honduras | |
| BOSQUE ALEGRE | Maar of POAS | Costa Rica | |
| BOSQUE, EL | Dome of ROTA | Nicaragua | |
| BOTIJA, MONTANA LA | Cinder cone of TENERIFE | Canary Islands | |
| BOTNA-SKYRTUNNA | Cone of LJOSUFJOLL | Iceland (western) | |
| BOTNAHRAUN | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| BOTNAHRAUN | Fissure vent of ASKJA | Iceland (northeastern) | |
| BOTOS | Stratovolcano of POAS | Costa Rica | |
| BOTOS, LOS | Synonym of POAS | Costa Rica | |
| BOTTOM HILL | Dome of SABA | West Indies | |
| BOUILLANTE CHAIN | Maars | Pleistocene-Hot Springs | West Indies |
| BOUVET | Shield volcano | Magnetism | Atlantic Ocean (southern) |
| BOUVETOYA | Synonym of BOUVET | Atlantic Ocean (southern) | |
| BOVE, VALLE DEL | Caldera of ETNA | Italy | |
| BOVEN | Stratovolcano of QUILL, THE | West Indies | |
| BOWERS KNOLL | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| BOYNA | Synonym of DABBAHU | Africa (northeastern) & Red Sea | |
| BOZ DAG | Cone of ERCIYES DAGI | Turkey | |
| BOZ DAG | Cone of ERCIYES DAGI | Turkey | |
| BOZU-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| BRAMA [BROMO] | Cinder cone of TENGGER CALDERA | Java | |
| BRANCA, CALDEIRA | Maar of FLORES | Azores | |
| BRANCA, CALDERA | Pleistocene caldera of KARISIMBI | Africa (central) | |
| BRANCA, MONT | Cone of POSSESSION, ILE DE LA | Indian Ocean (southern) | |
| BRANCO, PICO | Dome of TRINDADE | Atlantic Ocean (central) | |
| BRANDUR | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| BRASIL, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BRASIL, MONTE | Cone of TERCEIRA | Azores | |
| BRAT CHIRPOEV | Stratovolcano of CHIRPOI | Kuril Islands | |
| BRATAN | Caldera | Holocene | Lesser Sunda Islands |
| BRAUN [VON SEEBACH] | Cone of RINCON DE LA VIEJA | Costa Rica | |
| BRAVA | Stratovolcano | Holocene | Cape Verde Islands |
| BRAVARD | Synonym of TUPUNGATITO | Central Chile & Argentina | |
| BRAVAS, LAGUNAS | Synonym of NEVADA, SIERRA | Northern Chile, Bolivia & Argentina | |
| BRAVO, CERRO | Stratovolcano | Radiocarbon | Colombia |
| BREDES, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BRENA, LA | Maar of DURANGO VOLCANIC FIELD | México | |
| BRENAL | Synonym of DURANGO VOLCANIC FIELD | México | |
| BRENNISTEINSFJOLL | Crater rows | Historical | Iceland (southwestern) |
| BRENNISTEINSGIGAR | Synonym of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| BREW, MOUNT | Vent of GARIBALDI LAKE | Canada | |
| BRIDGE RIVER CONES | Volcanic field | Holocene | Canada |
| BRIDGE RIVER VENT | Vent of MEAGER | Canada | |
| BRIDGEMAN ISLAND | Stratovolcano | Uncertain | Antarctica & South Sandwich Islands |
| BRIDGMAN ISLAND | Synonym of BRIDGEMAN ISLAND | Antarctica & South Sandwich Islands | |
| BRILLANTES, MONTAGNAS | Synonym of ILIAMNA | Alaska (southwestern) | |
| BRIMSTONE HILL | Dome of LIAMUIGA | West Indies | |
| BRIMSTONE PIT | Crater of NW ROTA-1 | Izu, Volcano, & Mariana Islands | |
| BRINCO DEL DIABLO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| BRISTOL ISLAND | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| BRITO, CERRO DE | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BROAD ACRES | Dome of OLKARIA | Africa (eastern) | |
| BROADLANDS | Thermal Feature of REPOROA | New Zealand | |
| BROCKMAN FLAT | Synonym of EAGLE LAKE FIELD | USA (California) | |
| BROKEN BACK | Crater of CARRIZOZO | USA (New Mexico) | |
| BROKEN ISLAND | Crater of CENTRAL ISLAND | Africa (eastern) | |
| BROKEN TOP | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| BROKEOFF MOUNTAIN | Stratovolcano of LASSEN VOLCANIC CENTER | USA (California) | |
| BROMO | Cinder cone of TENGGER CALDERA | Java | |
| BROMO-TENGGER CALDERA | Synonym of TENGGER CALDERA | Java | |
| BROTHERS | Submarine volcano | Fumarolic | New Zealand |
| BROUTON CALDERA | Caldera of URATAMAN | Kuril Islands | |
| BROWN PEAK | Synonym of STURGE ISLAND | Antarctica & South Sandwich Islands | |
| BROWN'S ISLAND [MOTUKOREA] | Cone of AUCKLAND FIELD | New Zealand | |
| BRUCE | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| BRUCIATA, CUDDIA | Cone of PANTELLERIA | Italy | |
| BRUCK | Crater of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BRUJA, LOMA LA | Dome of SAN CRISTOBAL | Nicaragua | |
| BRUJILLO, CERRO | Lava cone of IXTEPEQUE | Guatemala | |
| BRUJO, CERRO | Tuff cone of SAN CRISTOBAL | Galápagos Islands | |
| BRUJO, CERRO EL | Shield volcano of SERDAN-ORIENTAL | México | |
| BRUJO, EL | Vent of SANTA MARIA | Guatemala | |
| BRULANT | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BRULES, MORNE | Dome of DIABLES, MORNE AUX | West Indies | |
| BRULOT | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| BRULÉ DU BARIL | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| BRUNABORG [HROSSADALIUR] | Crater Row of KRAFLA | Iceland (northeastern) | |
| BRUNAGIGIR | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| BRUSHY BUTTE | Shield volcano | Holocene? | USA (California) |
| BRYDJUHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| BRYTALAEKIR | Fissure vent of KATLA | Iceland (southern) | |
| BU JERMAN | Shield volcano of HAUT DONG NAI | Southeast Asia | |
| BU KONG RONG | Caldera of HAUT DONG NAI | Southeast Asia | |
| BU-CALDERA | Pleistocene caldera of SANTORINI | Greece | |
| BUAL BUALI | Synonym of SIBUALBUALI | Sumatra | |
| BUBAY, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| BUBOCHKA | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| BUCK BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| BUCK HILL | Cone of WELLS GRAY-CLEARWATER | Canada | |
| BUCK KNOLL | Cinder cone of BALD KNOLL | USA (Utah) | |
| BUCKHORN LAKE | Cinder cone of SILVER LAKE | USA (California) | |
| BUCKLE ISLAND | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| BUCU, GUNUNG | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BUD DAJO | Cinder cone of JOLO | Sulu Islands | |
| BUDAKLETTUR | Cone of SNAEFELLSJOKULL | Iceland (western) | |
| BUDAMADO HAYK | Crater of BILATE RIVER FIELD | Africa (northeastern) & Red Sea | |
| BUDDAJO [BUD DAJO] | Cinder cone of JOLO | Sulu Islands | |
| BUDUGASU, GUNUNG | Cone of ARJUNO-WELIRANG | Java | |
| BUENA VISTA, CERRO | Cinder cone of MOYUTA | Guatemala | |
| BUENA VISTA, CERRO | Dome of ILOPANGO | El Salvador & Honduras | |
| BUENAVENTURA SPRING | Thermal Feature of BANAHAW | Luzon | |
| BUENAVISTA | Vent of IZTACCIHUATL | México | |
| BUENAVISTA TOMATLAN, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| BUENOS AIRES | Cinder cone of PLATANAR | Costa Rica | |
| BUEY, CRATER DEL | Crater of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| BUEY, LAGUNA LA | Crater of PURACE | Colombia | |
| BUEYES, CERRO DE LOS | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| BUFUMBIRA | Cinder cones | Holocene? | Africa (central) |
| BUG ISLAND | Crater of CENTRAL ISLAND | Africa (eastern) | |
| BUGESHI | Cone of KARISIMBI | Africa (central) | |
| BUGOGO | Cone of NYIRAGONGO | Africa (central) | |
| BUGUMBA | Tuff cone of FORT PORTAL | Africa (central) | |
| BUGWAYE | Crater of BUNYARUGURU | Africa (central) | |
| BUHANGIN | Dome of PACO | Mindanao | |
| BUHARA | Tuff cone of FORT PORTAL | Africa (central) | |
| BUHI | Synonym of MALINAO | Luzon | |
| BUHO | Dome of BANAHAW | Luzon | |
| BUHUBIE | Cone of NYAMURAGIRA | Africa (central) | |
| BUHUMA | Cone of NYIRAGONGO | Africa (central) | |
| BUKIT | See proper name (e.g. DAUN, BUKIT) | Indonesian for HILL, MT. | |
| BUKOLI | Cone of NYAMURAGIRA | Africa (central) | |
| BULA | Synonym of BOLA | New Britain | |
| BULAL VOLC FIELD | Synonym of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| BULALO, MT. | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| BULDIR | Stratovolcano | Holocene? | Aleutian Islands |
| BULENGIRA | Cone of KARISIMBI | Africa (central) | |
| BULENGO | Cone of NYIRAGONGO | Africa (central) | |
| BULGAN VOLC FIELD | Synonym of KHANUY GOL | Mongolia | |
| BULIENMERRI, LAKE | Tuff ring of NEWER VOLCANICS PROV | Australia | |
| BULIRAN, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| BULKA | Dome of AVACHINSKY | Kamchatka Peninsula | |
| BULL | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| BULLAROOK HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| BULLENGAROOK, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BULOCHKA | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BULU | Synonym of BOLA | New Britain | |
| BULU [GULU] | Cone of LANGILA | New Britain | |
| BULUMORSUM | Cone of ST. ANDREW STRAIT | Admiralty Islands | |
| BULUSAN | Stratovolcanoes | Historical | Luzon |
| BUMABAG | Stratovolcano of AMBALATUNGAN GROUP | Luzon | |
| BUMPASS HELL | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| BUMPASS MOUNTAIN | Dome of LASSEN VOLCANIC CENTER | USA (California) | |
| BUNAGA [CERISY PEAK] | Stratovolcano of LONG ISLAND | Northeast of New Guinea | |
| BUNANYA | Shield volcano of UKSICHAN | Kamchatka Peninsula | |
| BUNANYA | Shield volcano of KEKURNY | Kamchatka Peninsula | |
| BUNBULAN | Crater of BATUR | Lesser Sunda Islands | |
| BUNBULAN, GUNUNG | Dome of BATUR | Lesser Sunda Islands | |
| BUNDER | Cone of BATUR | Lesser Sunda Islands | |
| BUNDJULI | Cone of KARISIMBI | Africa (central) | |
| BUNGBRUNG | Crater of PAPANDAYAN | Java | |
| BUNGSU, KAPUNDAN [KEPUNDAN BUNGSU] | Crater of MARAPI | Sumatra | |
| BUNINYONG, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BUNKER HILL | Dome of SABA | West Indies | |
| BUNNELL BUTTE | Cinder cone of ADAMS | USA (Washington) | |
| BUNOT, LAKE | Maar of SAN PABLO VOLCANIC FIELD | Luzon | |
| BUNTAK, BUKIT | Cone of KERINCI | Sumatra | |
| BUNTUK GEDE, GUNUNG | Vent of SUNDORO | Java | |
| BUNUHOLAR | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| BUNYAMPAKA [KASENYI] | Tuff cone of KATWE-KIKORONGO | Africa (central) | |
| BUNYARO | Cone of VISOKE | Africa (central) | |
| BUNYARUGURU | Maars | Holocene | Africa (central) |
| BUNYOGWE | Cone of KARISIMBI | Africa (central) | |
| BUNYOKE | Cone of VISOKE | Africa (central) | |
| BUR | See proper name (e.g. TELONG, BUR NI) | Indonesian for HILL, MT. | |
| BURACO, PICO DO | Dome of FURNAS | Azores | |
| BURAK | Crater of LEROBOLENG | Lesser Sunda Islands | |
| BURAUEN | Synonym of MAHAGNAO | Central Philippines | |
| BURAYA | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| BUREVESTNIK | Cone of BOGATYR RIDGE | Kuril Islands | |
| BURFELL | Crater Row of KRISUVIK | Iceland (southwestern) | |
| BURFELL I OLFUSI | Shield volcano of HENGILL | Iceland (southwestern) | |
| BURFELLSHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| BURILAN | Cone of GAUA | Vanuatu | |
| BURLIASTCHY [BURLYASHCHY] | Stratovolcano of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BURLICH | Tuff cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| BURLOW HILL | Dome of MERU | Africa (eastern) | |
| BURLYASHCHY | Stratovolcano of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| BURNEY, MONTE | Stratovolcano | Historical | Southern Chile & Argentina |
| BURNING MOUNTAIN | Synonym of ILIAMNA | Alaska (southwestern) | |
| BURNING VOLCANO | Synonym of GARELOI | Aleutian Islands | |
| BURNT LAVA FLOW | Cone of MEDICINE LAKE | USA (California) | |
| BURNT MOUNTAIN | Synonym of REDOUBT | Alaska (southwestern) | |
| BURNTHILL | Cinder cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| BURR, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| BURRO, CERRO EL | Dome of MICHOACAN-GUANAJUATO | México | |
| BURRU, DOINYO | Synonym of EBURRU, OL DOINYO | Africa (eastern) | |
| BURU | Caldera of PAGO | New Britain | |
| BURU, DOINYO | Synonym of EBURRU, OL DOINYO | Africa (eastern) | |
| BUS-OBO | Cinder cone | Holocene? | Mongolia |
| BUSHENYE | Cone of NYIRAGONGO | Africa (central) | |
| BUSHWAGA | Cone of NYIRAGONGO | Africa (central) | |
| BUTAJIRI-SILTI FIELD | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| BUTAK | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BUTAK PETARANGAN | Cone of DIENG VOLCANIC COMPLEX | Java | |
| BUTAK, GUNUNG | Cone of ARJUNO-WELIRANG | Java | |
| BUTAKA | Cone of KARISIMBI | Africa (central) | |
| BUTAY, MT. | Stratovolcano of CAMIGUIN | Mindanao | |
| BUTLER'S MOUNTAIN | Dome of NEVIS PEAK | West Indies | |
| BUTTON HILL | Dome of MERU | Africa (eastern) | |
| BUTUBUT, MT. | Cone of KUWAE | Vanuatu | |
| BUTUS, GUNUNG | Cone of BATUR | Lesser Sunda Islands | |
| BUYAN-BRATAN | Synonym of BRATAN | Lesser Sunda Islands | |
| BUYUK AGRI DAGI | Synonym of ARARAT | Turkey | |
| BUYUK KIZIL TEPE | Cone of ERCIYES DAGI | Turkey | |
| BUYUKKALE TEPE | Dome of ERCIYES DAGI | Turkey | |
| BUZZ | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| BUZZARD CREEK | Tuff rings | Radiocarbon | Alaska (eastern) |
| BWANIKA | Tuff cone of FORT PORTAL | Africa (central) | |
| BWASI-IAI-IAI | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| BYAKUSHI-IKE | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| BYAKUSI-IKE [BYAKUSHI-IKE] | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| BYLANDT RHEYT | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| BYLINKINA | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BYLINKINOY [BYLINKINA] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| BYOBU-DAKE | Stratovolcano of ZAO | Honshu | |
| CAANOAN | Cone of CAMIGUIN DE BABUYANES | North of Luzon | |
| CABALIAN | Stratovolcano | Radiocarbon | Central Philippines |
| CABALLITO | Cinder cone of CHICHINAUTZIN | México | |
| CABEZA DE VACA | Cone of CAYUTUE-LA VIGUERIA | Southern Chile & Argentina | |
| CABEZA DE VACA, CERRO | Cinder cone of PILAS, LAS | Nicaragua | |
| CABEZA DE VACA, CERRO | Stratovolcano of IRAZU | Costa Rica | |
| CABEZA, LA | Stratovolcano of IZTACCIHUATL | México | |
| CABEZUELO, VOLCAN DE EL | Maar of CALATRAVA VOLCANIC FIELD | Western Europe | |
| CABO COWAN | Tuff cone of SANTIAGO | Galápagos Islands | |
| CABRA, ISLA DE [CERRO GRANDE] | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CABRAS, CERRO LAS | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CABRAS, MONTANA DE LAS [SAN ANTONIO] | Cinder cone of LA PALMA | Canary Islands | |
| CABRAS, PICOS | Dome of TENERIFE | Canary Islands | |
| CABRET, DJEBEL | Synonym of TAIR, JEBEL AT | Africa (northeastern) & Red Sea | |
| CABRIOLER, VOLCANS DE | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CABRIS, PITON DES | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CABRITS, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| CABRO MUCO-LA GIGANTA | Stratovolcano of MIRAVALLES | Costa Rica | |
| CABURGUA, VOLCANES DE | Cone of CABURGUA-HUELEMOLLE | Central Chile & Argentina | |
| CABURGUA-HUELEMOLLE | Cinder cones | Tephrochronology | Central Chile & Argentina |
| CABUT, BUKIT | Cone of BESAR | Sumatra | |
| CACAO | Stratovolcano of OROSI | Costa Rica | |
| CACHANI | Synonym of CHACHANI, NEVADO | Perú | |
| CACHE HILL | Shield volcano of EDZIZA | Canada | |
| CACHIO, CERRO | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| CACHO NEGRO, VOLCAN | Stratovolcano of BARVA | Costa Rica | |
| CACIQUE, CERRO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CACTUS PEAK | Dome of COSO VOLCANIC FIELD | USA (California) | |
| CADENITA | Cinder cone of CHICHINAUTZIN | México | |
| CADES BAY | Dome of NEVIS PEAK | West Indies | |
| CAFIERI | Crater of ISCHIA | Italy | |
| CAGE VOLCANO | Shield volcano of COAXIAL SEGMENT | Pacific Ocean (northern) | |
| CAGSIAY HOT SPRINGS | Thermal Feature of BANAHAW | Luzon | |
| CAGUA | Stratovolcano | Historical | Luzon |
| CAICHINQUE | Stratovolcanoes | Holocene? | Northern Chile, Bolivia & Argentina |
| CAILLE, ILE DE | Tuff ring of KICK 'EM JENNY | West Indies | |
| CAIMAN, MONTANA | Cone of FUERTEVENTURA | Canary Islands | |
| CAIRAT, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CAJETE, EL | Crater of VALLES CALDERA | USA (New Mexico) | |
| CAJON LOS CALABOZOS | Thermal Feature of CALABOZOS | Central Chile & Argentina | |
| CAKASUANGGI | Stratovolcano of AMASING | Halmahera | |
| CALA BIANCA | Crater of PANAREA | Italy | |
| CALA DELL'ALCA | Cone of PANTELLERIA | Italy | |
| CALA DELL'ALTURA | Shield volcano of PANTELLERIA | Italy | |
| CALA DI TRAMONTANA | Cone of PANTELLERIA | Italy | |
| CALA FICO | Submarine vent of LIPARI | Italy | |
| CALABOZOS | Caldera | Holocene | Central Chile & Argentina |
| CALATRAVA VOLCANIC FIELD | Pyroclastic cones | Radiocarbon | Western Europe |
| CALBUCO | Stratovolcano | Historical | Southern Chile & Argentina |
| CALCARA, LA | Thermal Feature of PANAREA | Italy | |
| CALCARAZZI, MONTE | Cinder cone of ETNA | Italy | |
| CALDEIRA | Crater of PICOS VOLCANIC SYSTEM | Azores | |
| CALDERA / CALDERAS | See proper name (e.g. CUERVOS, CALDERA DE LOS) | ||
| CALDERA, CERRO DE LA | Cone of CHICHINAUTZIN | México | |
| CALDERA, LA | Crater of LANZAROTE | Canary Islands | |
| CALDERA, LAGUNA | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| CALDERA, LOMA | Tuff ring of SAN SALVADOR | El Salvador & Honduras | |
| CALDERAS, LAS | Cinder cone of FUERTEVENTURA | Canary Islands | |
| CALDERETA, LA | Crater of TENERIFE | Canary Islands | |
| CALDERETA, MONTANA DE LA | Cone of FUERTEVENTURA | Canary Islands | |
| CALDERITA, LA | Vent of FUERTEVENTURA | Canary Islands | |
| CALDERON, EL | Crater of ZUNI-BANDERA | USA (New Mexico) | |
| CALDERON, VOLCAN | Synonym of ALCEDO | Galápagos Islands | |
| CALDIERA | Caldera of CORVO | Azores | |
| CALDIERA | Caldera of FAYAL | Azores | |
| CALDIERAS | Thermal Feature of FURNAS | Azores | |
| CALDWELL BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| CALEBASSE, MORNE | Dome of PELEE | West Indies | |
| CALIBATO, LAKE | Maar of SAN PABLO VOLCANIC FIELD | Luzon | |
| CALIENTE | Vent of SANTA MARIA | Guatemala | |
| CALIENTE, CERRO | Twin volcano of YUCAMANE | Perú | |
| CALIENTE, LAGUNA | Crater of POAS | Costa Rica | |
| CALLAQUEN | Synonym of CALLAQUI | Central Chile & Argentina | |
| CALLAQUI | Stratovolcano | Historical | Central Chile & Argentina |
| CALLO, CERRITO DEL | Cone of COTOPAXI | Ecuador | |
| CALLVUCO (CALLUNETO) | Synonym of OSORNO | Southern Chile & Argentina | |
| CALOMETS, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CALUNAN, MT. | Stratovolcano of BULUSAN | Luzon | |
| CALUNGALAN, MT. | Cone of BULUSAN | Luzon | |
| CALVARIO, EL | Cone of CHICHINAUTZIN | México | |
| CAM TIEM MOUNT | Cone of BAS DONG NAI | Southeast Asia | |
| CAMALDOLI DELLA TORRE | Cone of VESUVIUS | Italy | |
| CAMARINHAS, PICO DAS | Cone of SETE CIDADES | Azores | |
| CAMATARAN, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CAMBADO, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| CAMBRIA, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| CAMELS HUMP, THE | Dome of NEWER VOLCANICS PROV | Australia | |
| CAMERCIA | Cinder cone of ETNA | Italy | |
| CAMERON, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| CAMEROON | Stratovolcano | Historical | Africa (western) |
| CAMEROUN, MONT | Synonym of CAMEROON | Africa (western) | |
| CAMIGUIN | Stratovolcanoes | Historical | Mindanao |
| CAMIGUIN DE BABUYANES | Stratovolcano | Historical | North of Luzon |
| CAMIGUIN DE MINDANAO [MT. VULCAN] | Dome of CAMIGUIN | Mindanao | |
| CAMIGUIN DE MISAMIS [MT. VULCAN] | Dome of CAMIGUIN | Mindanao | |
| CAMIGUIN DEL SUR [MT. VULCAN] | Dome of CAMIGUIN | Mindanao | |
| CAMIGUIN TANDA | Stratovolcano of CAMIGUIN | Mindanao | |
| CAMIGUIN, MT. | Stratovolcano of CAMIGUIN DE BABUYANES | North of Luzon | |
| CAMILLE CONE | Cone of IMURUK LAKE | Alaska (western) | |
| CAMOGON | Dome of LEONARD RANGE | Mindanao | |
| CAMP HILL | Shield volcano of EDZIZA | Canada | |
| CAMPAGNANO, MT. | Crater of ISCHIA | Italy | |
| CAMPANA HILL | Dome of CAMIGUIN | Mindanao | |
| CAMPANARIO, EL | Cinder cone of HIERRO | Canary Islands | |
| CAMPANIAN IGNIMBRITE | Pleistocene caldera of CAMPI FLEGREI | Italy | |
| CAMPI FLEGREI | Caldera | Historical | Italy |
| CAMPI FLEGREI MAR SICILIA | Submarine volcanoes | Historical | Italy |
| CAMPI FLEIGREI CANALE DE SICILIA | Synonym of CAMPI FLEGREI MAR SICILIA | Italy | |
| CAMPOSANTO, CERRO | Cone of IXTEPEQUE | Guatemala | |
| CAMPOTESE | Crater of ISCHIA | Italy | |
| CAMPRIDA, CALDEIRA | Tuff ring of FLORES | Azores | |
| CAMPS RIDGE [MADDEN'S MOUNT] | Dome of NEVIS PEAK | West Indies | |
| CAN SIMO, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CAN TIA, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CANACUARAN [METATE, CERRO EL] | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CANADA OBSCURA, CERRO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CANADAS, LAS | Pleistocene caldera of TENERIFE | Canary Islands | |
| CANALAON | Synonym of KANLAON | Central Philippines | |
| CANAR | Crater of TALAGABODAS | Java | |
| CANARIO, LAGOA DO | Maar of SETE CIDADES | Azores | |
| CANARIO, PICO DE | Pumice cone of FURNAS | Azores | |
| CANAS DULCES | Dome of RINCON DE LA VIEJA | Costa Rica | |
| CANASTE | Synonym of ARENAL | Costa Rica | |
| CANASTO | Crater of LONQUIMAY | Central Chile & Argentina | |
| CANDADO, EL | Cone of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| CANDELERO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CANDLEMAS ISLAND | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| CANGKUANG | Crater of SALAK | Java | |
| CANITAS, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CANLAON | Synonym of KANLAON | Central Philippines | |
| CANNETO DENTRO | Stratovolcano of LIPARI | Italy | |
| CANON DE LAS FLORES | Vent of PRIMAVERA, SIERRA LA | México | |
| CANOT, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| CANTARIELLO | Cone of ISCHIA | Italy | |
| CANTARRANAS, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| CANTERA, CERRO LA | Dome of MICHOACAN-GUANAJUATO | México | |
| CANTO, CABECO DO | Cone of FAYAL | Azores | |
| CANTOCLOC [CANTOLOC] | Stratovolcano of CABALIAN | Central Philippines | |
| CANTOLOC | Stratovolcano of CABALIAN | Central Philippines | |
| CANTONE | Cinder cone of ETNA | Italy | |
| CANYA, VOLCA LA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CANYON CREEK [SECOND CANYON] | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| CAOE KOKKINOPETRA | Cinder cone of SANTORINI | Greece | |
| CAOLANGOJAN [KASIBOI] | Cone of MAHAGNAO | Central Philippines | |
| CAOPO | Cone of TENGCHONG | Southeast Asia | |
| CAPACUARO, CERROS DE | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CAPARINA | Dome of CHACANA | Ecuador | |
| CAPARRA, LOMA | Dome of SAN CRISTOBAL | Nicaragua | |
| CAPATACUTIRO, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CAPAXTIRO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CAPE BALOS | Cinder cone of SANTORINI | Greece | |
| CAPE BERKELEY VOLCANO | Synonym of ECUADOR | Galápagos Islands | |
| CAPE BIDLINGMAIER | Cone of HEARD | Indian Ocean (southern) | |
| CAPE BRIDGEWATER | Cone of NEWER VOLCANICS PROV | Australia | |
| CAPE CARTWRIGHT | Cone of HEARD | Indian Ocean (southern) | |
| CAPE COLUMBOS | Tuff ring of SANTORINI | Greece | |
| CAPE MAVRORACHIDI | Cinder cone of SANTORINI | Greece | |
| CAPE RIVER | Pleistocene caldera of SANTORINI | Greece | |
| CAPE VALDIVIA | Dome of BOUVET | Atlantic Ocean (southern) | |
| CAPELAS | Tuff cone of PICOS VOLCANIC SYSTEM | Azores | |
| CAPELINHOS | Cone of FAYAL | Azores | |
| CAPILLA, LA | Crater of CUMBRES, LAS | México | |
| CAPO GROSSO | Submarine vent of LIPARI | Italy | |
| CAPRARA | Dome of CAMPI FLEGREI | Italy | |
| CAPRICORN, MT. | Cone of MEAGER | Canada | |
| CAPULIN | Cinder cone of CHICHINAUTZIN | México | |
| CARABAO KILLER | Thermal Feature of KANLAON | Central Philippines | |
| CARACHA, LA | Stratovolcano of ATACAZO | Ecuador | |
| CARACOL | Crater of AZUL, CERRO | Central Chile & Argentina | |
| CARACOL, VOLCAN | Cone of TOLGUACA | Central Chile & Argentina | |
| CARACORAL, CERRO | Dome of VALLE, EL | Panamá | |
| CARANG ASSAM | Synonym of AGUNG | Lesser Sunda Islands | |
| CARAVAJALES CRATER | Crater of PINACATE | México | |
| CARBET, FUMEROLLES DU | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| CARBONERA, LA | Pleistocene caldera of SAN VICENTE | El Salvador & Honduras | |
| CARCABULLO O PEDREGAL [CALDERA COLORADA] | Cinder cone of LANZAROTE | Canary Islands | |
| CARDAKH | Crater of ERCIYES DAGI | Turkey | |
| CARDOS, LOS | Cinder cone of CHICHINAUTZIN | México | |
| CAREME | Synonym of CEREME | Java | |
| CARI-LAUNA, VOLCANES | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| CARIBALD HILL [GARIBALDI HILL] | Stratovolcano of SOUFRIERE HILLS | West Indies | |
| CARIBLANCO [CERRO CONGO] | Stratovolcano of POAS | Costa Rica | |
| CARIBOU TUYA | Tuya of TUYA VOLCANIC FIELD | Canada | |
| CARICIAS | Stratovolcano of BARVA | Costa Rica | |
| CARIK TEPE | Dome of ERCIYES DAGI | Turkey | |
| CARIRINE | Stratovolcano of HUANQUIHUE GROUP | Central Chile & Argentina | |
| CARLING HILL | Dome of CAMIGUIN | Mindanao | |
| CARLISLE | Stratovolcano | Historical | Aleutian Islands |
| CARMELO CRATER | Crater of BAKER | USA (Washington) | |
| CARMELO, LA MONTANA DEL | Synonym of BAKER | USA (Washington) | |
| CARMICHAEL | Stratovolcano of SOUFRIERE GUADELOUPE | West Indies | |
| CARNEGIE VOLCANO | Cinder cone of PINACATE | México | |
| CARNEIRO, MONTE | Cone of FAYAL | Azores | |
| CARNERO, CERRO EL | Cone of FLORES | Guatemala | |
| CAROLI ? | Synonym of SHISHALDIN | Aleutian Islands | |
| CARPINTERO NORTE, EL | Cinder cone of COLIMA | México | |
| CARPINTERO SUR, EL | Cinder cone of COLIMA | México | |
| CARRAN | Maar of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CARRAN, CERRO [LOS GUINDOS] | Stratovolcano of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CARRAN-LOS VENADOS | Pyroclastic cones | Historical | Central Chile & Argentina |
| CARRIZOZO | Cinder cones | Surface Exposure | USA (New Mexico) |
| CARTAGO, VOLCAN DE | Synonym of IRAZU | Costa Rica | |
| CARVAO | Cone of SETE CIDADES | Azores | |
| CASA DIABLO HOT SPRINGS | Thermal Feature of LONG VALLEY | USA (California) | |
| CASABLANCA | Stratovolcano of ANTILLANCA GROUP | Central Chile & Argentina | |
| CASAS, LAS | Thermal Feature of TENORIO | Costa Rica | |
| CASCAJO, MONTANA | Cinder cone of TENERIFE | Canary Islands | |
| CASIBOY [KASIBOI] | Cone of MAHAGNAO | Central Philippines | |
| CASIRI, NEVADOS | Stratovolcanoes | Holocene | Perú |
| CASITA | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CASITAS, VOLCAN | Fissure vent of AZUL, CERRO | Central Chile & Argentina | |
| CASM VENT FIELD | Thermal Feature of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| CASSIEN, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CASSIOPE CONE | Cone of IMURUK LAKE | Alaska (western) | |
| CASTEIHANO, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| CASTELGANDOLFO [ALBANO] | Maar of ALBAN HILLS | Italy | |
| CASTELLARO | Pleistocene caldera of LIPARI | Italy | |
| CASTELLO | Dome of PANAREA | Italy | |
| CASTELLO D'ISCHIA | Dome of ISCHIA | Italy | |
| CASTELO BRANCO | Dome of FAYAL | Azores | |
| CASTIGLIONE | Crater of ALBAN HILLS | Italy | |
| CASTIGLIONE | Dome of ISCHIA | Italy | |
| CASTILLO, CERRO DE LOS | Cinder cone of CHINGO | Guatemala | |
| CASTILLO, CERRO EL | Cone of LAJAS, LAS | Nicaragua | |
| CASTILLO, EL | Dome of YEGUADA, LA | Panamá | |
| CASTLE OF ISCHIA [CASTELLO D'ISCHIA] | Dome of ISCHIA | Italy | |
| CASTLE PEAK | Dome of SOUFRIERE HILLS | West Indies | |
| CASTLE ROCK | Dome of BOGOSLOF | Aleutian Islands | |
| CASTOR | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| CASTRO BANK | Synonym of DON JOAO DE CASTRO BANK | Azores | |
| CASUELA JUYU | Synonym of TOLIMAN | Guatemala | |
| CATACU, CERRO | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CATANIA, MONTE DI | Synonym of ETNA | Italy | |
| CATARMAN | Synonym of CAMIGUIN | Mindanao | |
| CATARMAN [HIBOK-HIBOK] | Stratovolcano of CAMIGUIN | Mindanao | |
| CATATUNGAN | Synonym of KALATUNGAN | Mindanao | |
| CATERATTTE, MONTE | Cinder cone of ETNA | Italy | |
| CATHEDRAL ROCK [NAPERITO] | Tuff cone of BARRIER, THE | Africa (eastern) | |
| CATHERINE | Tuff ring of GADA ALE | Africa (northeastern) & Red Sea | |
| CATINOCJUYUP [CERRO QUEMADO] | Dome of ALMOLONGA | Guatemala | |
| CATU | Crater of BATUR | Lesser Sunda Islands | |
| CATUR CALDERA | Synonym of BRATAN | Lesser Sunda Islands | |
| CAUA | Synonym of CAGUA | Luzon | |
| CAUBET, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CAULLE CHICO [PICHI CAULLE] | Cone of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CAULLE GRANDE | Synonym of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CAVA NOCELLE | Crater of ISCHIA | Italy | |
| CAVA PETRELLA | Cone of ISCHIA | Italy | |
| CAVAGNARO | Crater of SANTA CRUZ | Galápagos Islands | |
| CAVALO, PICO DO | Cone of SETE CIDADES | Azores | |
| CAVE GULCH HILL | Cinder cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| CAVERNE POMME DE TERRE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CAVERNE, ILE DE LA | Synonym of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| CAVIAHUE | Caldera of COPAHUE | Central Chile & Argentina | |
| CAVO, MONTE | Synonym of ALBAN HILLS | Italy | |
| CAVO, MT. | Cinder cone of ALBAN HILLS | Italy | |
| CAVONI | Submarine vent of STROMBOLI | Italy | |
| CAWALO | Thermal Feature of PALUWEH | Lesser Sunda Islands | |
| CAWS ROAD | Dome of MAROA | New Zealand | |
| CAY | Stratovolcano | Holocene? | Southern Chile & Argentina |
| CAYAMBE | Compound volcano | Historical | Ecuador |
| CAYAPIREN | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CAYONAN | Cone of BABUYAN CLARO | North of Luzon | |
| CAYUSE CONE | Cinder cone of SOUTH SISTER | USA (Oregon) | |
| CAYUTE, VOLCAN | Cone of CAYUTUE-LA VIGUERIA | Southern Chile & Argentina | |
| CAYUTUE-LA VIGUERIA | Pyroclastic cones | Tephrochronology | Southern Chile & Argentina |
| CAZUEL, CERRO | Pyroclastic Cone of NEGRA, SIERRA | Galápagos Islands | |
| CEBOLLAS, LAS | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CEBOROQUITO | Cinder cone of CEBORUCO | México | |
| CEBORUCO | Stratovolcano | Historical | México |
| CEDAR HILL | Dome of EBURRU, OL DOINYO | Africa (eastern) | |
| CEDRO, PICO DO | Cone of SETE CIDADES | Azores | |
| CEHENNEM TEPE | Crater of TENDUREK DAGI | Turkey | |
| CEIBA CHACHA, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CEILLE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CEKOK, KAWAH | Thermal Feature of GALUNGGUNG | Java | |
| CELAYA CRATER | Maar of PINACATE | México | |
| CELLE | Crater of CAMPI FLEGREI | Italy | |
| CELOSA, CERRO LA | Cone of OLLAGUE | Northern Chile, Bolivia & Argentina | |
| CEMARA, GUNUNG | Cone of IJEN | Java | |
| CEMEL TEPE | Maar of KULA | Turkey | |
| CEMENTERIO BRITO, CERRO DEL | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CEMENTERIO CERRO REDONDO, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CEMETARY CRATER | Maar of AUCKLAND FIELD | New Zealand | |
| CEMOROLAWANG | Stratovolcano of TENGGER CALDERA | Java | |
| CEMOROLAWANG [CEMARA LAWANG] | Stratovolcano of TENGGER CALDERA | Java | |
| CEMRKOPRU BARAJ GOLU | Cone of KULA | Turkey | |
| CENDRES, ILE DES | Submarine volcanoes | Historical | Southeast Asia |
| CENGYU | Synonym of ZENGYU | Taiwan | |
| CENIZA, VOLCAN | Cinder cone of SAN QUINTIN VOLCANIC FIELD | México | |
| CENIZAS, CERRO | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| CENIZAS, CERRO | Synonym of PUNTIAGUDO-CORDON CENIZOS | Central Chile & Argentina | |
| CENO-SEMIACHIK | Stratovolcano of MALY SEMIACHIK | Kamchatka Peninsula | |
| CENTENARI, MONTE | Cinder cone of ETNA | Italy | |
| CENTRAL ATITLAN | Cone of TOLIMAN | Guatemala | |
| CENTRAL CONE | Stratovolcano of WHITE ISLAND | New Zealand | |
| CENTRAL CONE GROUP | Cinder cone of COFRE DE PEROTE | México | |
| CENTRAL CRATER COMPLEX | Caldera of DIAMOND CRATERS | USA (Oregon) | |
| CENTRAL DOME | Dome of WHALE ISLAND | New Zealand | |
| CENTRAL GROUP | Cinder cone of SAND MOUNTAIN FIELD | USA (Oregon) | |
| CENTRAL ISLAND | Tuff cones | Holocene | Africa (eastern) |
| CENTRAL PUMICE CONE | Pumice cone of NEWBERRY | USA (Oregon) | |
| CENTRAL REEFS | Crater of PANAREA | Italy | |
| CENTRAL, PICO | Synonym of ACATENANGO | Guatemala | |
| CENTRALNY | Shield volcano of POGRANYCHNY | Kamchatka Peninsula | |
| CENTRE PEAK | Cone of ZUBAIR, JEBEL | Africa (northeastern) & Red Sea | |
| CENTRO, EL | Dome of CEBORUCO | México | |
| CERBERUS | Stratovolcano of SEMISOPOCHNOI | Aleutian Islands | |
| CERBERUS, MT. | Dome of TRIDENT | Alaska Peninsula | |
| CEREME | Stratovolcano | Historical | Java |
| CERIMAI | Synonym of CEREME | Java | |
| CERISY PEAK | Stratovolcano of LONG ISLAND | Northeast of New Guinea | |
| CERME | Synonym of CEREME | Java | |
| CERRA, LA | Cone of PACAYA | Guatemala | |
| CERRADO NOVO | Dome of AGUA DE PAU | Azores | |
| CERRILLO, CERRO EL [CHAJNANTOR] | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CERRITO | See proper name (e.g. ESPINO, CERRITO EL) | Spanish for PEAK | |
| CERRITO, CERRO EL | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| CERRITO, CERRO EL | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| CERRITO, EL | Cinder cone of APANECA RANGE | El Salvador & Honduras | |
| CERRITOS, LOS | Cone of SANTIAGO, CERRO | Guatemala | |
| CERRO | See proper name (e.g. MESA, CERRO DE) | Spanish for PEAK | |
| CERRON, CERRO | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CERRON, CERRO EL | Cone of IXTEPEQUE | Guatemala | |
| CERRON, EL | Synonym of SINGUIL, CERRO | El Salvador & Honduras | |
| CEYSSAT, MAAR DE | Maar of CHAINE DES PUYS | Western Europe | |
| CHA | Caldera of FOGO | Cape Verde Islands | |
| CHABBI [CHEBBI] | Stratovolcano of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| CHAC-INCA, CERRO | Dome of AZUFRE, CERRO DEL | Northern Chile, Bolivia & Argentina | |
| CHACANA | Caldera | Historical | Ecuador |
| CHACHA | Synonym of TIATIA | Kuril Islands | |
| CHACHACASTE, CERRO | Dome of ILOPANGO | El Salvador & Honduras | |
| CHACHANI, NEVADO | Stratovolcano | Holocene? | Perú |
| CHACHANOBORI (CHACHANUPURI) | Synonym of TIATIA | Kuril Islands | |
| CHACHANUPURI | Synonym of ALAID | Kuril Islands | |
| CHACHIMBIRO | Stratovolcano | Radiocarbon | Ecuador |
| CHADUTKA | Synonym of KHODUTKA | Kamchatka Peninsula | |
| CHAGUITILLO, CERRO | Dome of IXTEPEQUE | Guatemala | |
| CHAGULAK | Stratovolcano | Holocene | Aleutian Islands |
| CHAHALE | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHAHOLO | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAHORRA | Cinder cone of TENERIFE | Canary Islands | |
| CHAIKUTES | Thermal Feature of KOS | Greece | |
| CHAIMU | Cone of CHYULU HILLS | Africa (eastern) | |
| CHAIN OF CRATERS | Crater of CENTRAL ISLAND | Africa (eastern) | |
| CHAINE DES PUYS | Lava domes | Radiocarbon | Western Europe |
| CHAIQUEMAHUIDA, VOLCAN | Cinder cone of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHAISANDUKU | Crater of BUNYARUGURU | Africa (central) | |
| CHAITEN | Caldera | Historical | Southern Chile & Argentina |
| CHAJNANTOR, CERRO | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CHAKUNAGE | Cone of NISEKO | Hokkaido | |
| CHALA | Cone of KILIMANJARO | Africa (eastern) | |
| CHALARD, PUY | Cone of CHAINE DES PUYS | Western Europe | |
| CHALCHIHUITES | Cinder cone of CHICHINAUTZIN | México | |
| CHALCHUAPA, CERRITO DE | Cinder cone of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CHALCHUAPA, LAGUNA DE [LAGUNA DE CHALCHUAPAN] | Pit crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CHALCHUAPAN, LAGUNA DE | Pit crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| CHALLAPIREN | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CHALLHUE MAURAS, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CHAMBAGUNGURU | Cone of KIEYO | Africa (eastern) | |
| CHAMBAJI | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAMBASEGERA | Cone of KIEYO | Africa (eastern) | |
| CHAMBUGA [MBUGA] | Maar of KATWE-KIKORONGO | Africa (central) | |
| CHAMENGO | Crater of BUNYARUGURU | Africa (central) | |
| CHAMONGERA | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAMPAGNE | Thermal Feature of NW EIFUKU | Izu, Volcano, & Mariana Islands | |
| CHAMPAGNE | Thermal Feature of PLAT PAYS, MORNE | West Indies | |
| CHAMPALALA | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHAMPES PHLEGRAIS | Synonym of CAMPI FLEGREI | Italy | |
| CHAMUSCADA, MONTANA | Cinder cone of HIERRO | Canary Islands | |
| CHANA | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CHANAL, CERRO EL | Cinder cone of GRANADA | Nicaragua | |
| CHANCE'S MOUNTAIN | Synonym of SOUFRIERE HILLS | West Indies | |
| CHANCE'S PEAK | Dome of SOUFRIERE HILLS | West Indies | |
| CHANCHANI | Synonym of CHACHANI, NEVADO | Perú | |
| CHANCHO, VOLCAN | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CHANCHOCO, TERMAS DE | Thermal Feature of COPAHUE | Central Chile & Argentina | |
| CHANCHOS, LOS | Dome of COSIGUINA | Nicaragua | |
| CHANEL | Synonym of LLAIMA | Central Chile & Argentina | |
| CHANG PEAK | Shield volcano of WAESCHE | Antarctica & South Sandwich Islands | |
| CHANG-PAI | Thermal Feature of CHANGBAISHAN | China (eastern) | |
| CHANG-PAI-SHAN | Synonym of CHANGBAISHAN | China (eastern) | |
| CHANGAR | Synonym of KHANGAR | Kamchatka Peninsula | |
| CHANGBAISHAN | Stratovolcano | Historical | China (eastern) |
| CHANGOMENI [CHOUNGOU-CHAGNOUMENI] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHANGOU-CHAHALE [CHOUNGOU-CHAHALE] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHANGPO | Cone of TENGCHONG | Southeast Asia | |
| CHANJALE | Caldera of TACANA | México | |
| CHANKA | Dome of AZUFRE, CERRO DEL | Northern Chile, Bolivia & Argentina | |
| CHANKOROGO | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHANMICO, LAGUNA DE | Maar of SAN SALVADOR | El Salvador & Honduras | |
| CHANQUE-MALLIN | Stratovolcano of DOMUYO | Central Chile & Argentina | |
| CHANUJ GOL | Synonym of KHANUY GOL | Mongolia | |
| CHAOKHCH | Synonym of KOSHELEV | Kamchatka Peninsula | |
| CHAOS CRAGS | Dome of LASSEN VOLCANIC CENTER | USA (California) | |
| CHAPARRASTIQUE | Synonym of SAN MIGUEL | El Salvador & Honduras | |
| CHAPCHAP | Cone of OKU VOLCANIC FIELD | Africa (western) | |
| CHAPULIN, CERRO EL | Dome of PRIMAVERA, SIERRA LA | México | |
| CHAPULTEPEC | Lava cone of CHICHINAUTZIN | México | |
| CHAPULUL, CERRO | Cinder cone of MARINAQUI, LAGUNA | Central Chile & Argentina | |
| CHARASH-DAG | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| CHARCO MUERTO | Tuff ring of ZAPATERA | Nicaragua | |
| CHARCO, EL | Cinder cone of LA PALMA | Canary Islands | |
| CHARMONT, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| CHAROS | Thermal Feature of MILOS | Greece | |
| CHASCON DE PURICO [CERRO EL CHASCON] | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CHASCON SUR, CERRO | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CHASCON, CERRO | Dome of GUAYAQUES | Northern Chile, Bolivia & Argentina | |
| CHASCON, CERRO | Cinder cone of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CHASCON, CERRO EL | Dome of PURICO COMPLEX | Northern Chile, Bolivia & Argentina | |
| CHASHAKONDZHA | Stratovolcano of ALNEY-CHASHAKONDZHA | Kamchatka Peninsula | |
| CHASM, THE [LA VORAGINE] | Crater of ETNA | Italy | |
| CHASM, THE [WAHANGA-WAIMANGU] | Fissure vent of OKATAINA | New Zealand | |
| CHAT, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHATA, CERRO LA | Lava cone of SAN DIEGO | El Salvador & Honduras | |
| CHATEAU FORT, LE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHATHAM | Synonym of SAN CRISTOBAL | Galápagos Islands | |
| CHATITO | Dome of ARENAL | Costa Rica | |
| CHATO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CHATO, CERRITO | Dome of VALLES CALDERA | USA (New Mexico) | |
| CHATO, CERRO | Dome of PRIMAVERA, SIERRA LA | México | |
| CHATO, CERRO | Cone of RINCON DE LA VIEJA | Costa Rica | |
| CHATO, CERRO | Stratovolcano of ARENAL | Costa Rica | |
| CHAUDIERES, LES | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| CHAUDRON | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| CHAUMONT, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| CHAUSU-DAKE | Dome of NASU | Honshu | |
| CHAUSU-YAMA | Dome of KITA YATSUGA-TAKE | Honshu | |
| CHAUSU-YAMA | Synonym of NIIGATA-YAKE-YAMA | Honshu | |
| CHAVAS | Crater of GALERAS | Colombia | |
| CHAYACHII | Dome of KURILE LAKE | Kamchatka Peninsula | |
| CHAYLL | Synonym of LLAIMA | Central Chile & Argentina | |
| CHEBBI | Stratovolcano of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| CHEBRIT ALE | Synonym of GADA ALE | Africa (northeastern) & Red Sea | |
| CHECHITNO PEAK | Synonym of WRANGELL | Alaska (eastern) | |
| CHEIMU [CHAIMU] | Cone of CHYULU HILLS | Africa (eastern) | |
| CHEJU-DO | Synonym of HALLA | Korea | |
| CHELI MINE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHEMINEE NORD [CHANGOMENI] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHEMINEE SUD [CHAHALE] | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHENGZILOU | Cone of TENGCHONG | Southeast Asia | |
| CHEPE | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| CHEPTOMAS | Dome of PAKA | Africa (eastern) | |
| CHEQUEPUQUINA | Synonym of HUAYNAPUTINA | Perú | |
| CHERINGERAN, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CHERINKUTAN | Synonym of CHIRINKOTAN | Kuril Islands | |
| CHERNABURA | Synonym of AUGUSTINE | Alaska (southwestern) | |
| CHERNOYE LAKE | Thermal Feature of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| CHERNY | Stratovolcano of CHIRPOI | Kuril Islands | |
| CHERNY | Dome of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| CHERNY | Stratovolcano | Holocene? | Kamchatka Peninsula |
| CHERNYI UTES | Dome of KSUDACH | Kamchatka Peninsula | |
| CHERPUK GROUP | Pyroclastic cones | Radiocarbon | Kamchatka Peninsula |
| CHESORO | Vent of KOROSI | Africa (eastern) | |
| CHETKIN | Synonym of GREAT SITKIN | Aleutian Islands | |
| CHEYU | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHFEALIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| CHIAPA | Shield volcano of HUMEROS, LOS | México | |
| CHIAR KKOLLU | Cinder cone of JAYU KHOTA, LAGUNA | Northern Chile, Bolivia & Argentina | |
| CHIAUS | Synonym of TEON | Banda Sea | |
| CHIBUZU | Synonym of POAS | Costa Rica | |
| CHICHALDINSKOI | Synonym of SHISHALDIN | Aleutian Islands | |
| CHICHICASTEPEC [CERRO DE APANECA] | Stratovolcano of APANECA RANGE | El Salvador & Honduras | |
| CHICHIGALPA [CASITA] | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHICHIHUALE | Dome of CUMBRES, LAS | México | |
| CHICHIMECO | Dome of ORIZABA, PICO DE | México | |
| CHICHINAUTZIN | Volcanic field | Radiocarbon | México |
| CHICHINAUTZIN, CERRO | Shield volcano of CHICHINAUTZIN | México | |
| CHICHINTOR, CERRITO | Cone of IPALA | Guatemala | |
| CHICHON, EL | Lava domes | Historical | México |
| CHICHONAL, EL | Synonym of CHICHON, EL | México | |
| CHICHONTEPEC | Synonym of SAN VICENTE | El Salvador & Honduras | |
| CHICHONTEPEQUE | Synonym of SAN VICENTE | El Salvador & Honduras | |
| CHICHUJ | Stratovolcano of TACANA | México | |
| CHICKEN KILLER | Thermal Feature of KANLAON | Central Philippines | |
| CHICO, PICO [YEPOCAPA] | Stratovolcano of ACATENANGO | Guatemala | |
| CHICO, VOLCAN | Fissure vent of NEGRA, SIERRA | Galápagos Islands | |
| CHIEN-SHUI-TING-TZU [JIANSHUIDINGZI] | Cone of LONGGANG GROUP | China (eastern) | |
| CHIESA VECCHIA | Stratovolcano of LIPARI | Italy | |
| CHIEWO | Cone of HOMA MOUNTAIN | Africa (eastern) | |
| CHIGIGNAGAK | Synonym of CHIGINAGAK | Alaska Peninsula | |
| CHIGINAGAK | Stratovolcano | Historical | Alaska Peninsula |
| CHIGOWE | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHIHSINGSHAN [CISING] | Dome of TATUN GROUP | Taiwan | |
| CHIHUIO | Stratovolcano of HUANQUIHUE GROUP | Central Chile & Argentina | |
| CHIKOIDA MOUNTAIN | Cone of ATLIN VOLCANIC FIELD | Canada | |
| CHIKOSE | Dome of SW USANGU BASIN | Africa (eastern) | |
| CHIKUBO | Cone of IZU-TOBU | Honshu | |
| CHIKURA-DAKE | Synonym of CHIKURACHKI | Kuril Islands | |
| CHIKURACHKI | Stratovolcanoes | Historical | Kuril Islands |
| CHILACAYOTE, CERRO EL | Shield volcano of ZITACUARO-VALLE DE BRAVO | México | |
| CHILCAS, CERRO LAS | Dome of HUAYNAPUTINA | Perú | |
| CHILCAYOC GRANDE, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CHILCAYOC, VOLCANES | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CHILCOTIN CREEK | Cinder cone of SATAH MOUNTAIN | Canada | |
| CHILES | Stratovolcano of NEGRO DE MAYASQUER, CERRO | Colombia | |
| CHILES, LOS | Cinder cone of PLATANAR | Costa Rica | |
| CHILESDO | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CHILIQUES | Stratovolcano | Holocene? | Northern Chile, Bolivia & Argentina |
| CHILLAN VIEJO [VOLCAN VIEJO] | Stratovolcano of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| CHILLAN, NEVADOS DE | Stratovolcano | Historical | Central Chile & Argentina |
| CHILLING ISLAND [SILENGE ISLAND] | Cone of MUNDUA | New Britain | |
| CHILOE, VOLCAN DE? | Synonym of CORCOVADO | Southern Chile & Argentina | |
| CHILTEPE | Synonym of APOYEQUE | Nicaragua | |
| CHILTEPE, VOLCAN | Dome of APOYEQUE | Nicaragua | |
| CHIMBORAZO | Stratovolcano | Radiocarbon | Ecuador |
| CHIMNEY CRATER | Crater of LANGILA | New Britain | |
| CHIMNEY MOUNTAIN | Cone of SANTA CRUZ | Galápagos Islands | |
| CHINABORA, MT. | Synonym of AUGUSTINE | Alaska (southwestern) | |
| CHINAL | Synonym of LLAIMA | Central Chile & Argentina | |
| CHINAMECA | Stratovolcano | Holocene | El Salvador & Honduras |
| CHINANDEGA | Synonym of SAN CRISTOBAL | Nicaragua | |
| CHINAPO, CERRO | Dome of AZUFRES, LOS | México | |
| CHINCILLAS, CERRO LAS | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| CHINCONQUIAT, CERRO | Cinder cone of CHICHINAUTZIN | México | |
| CHINENDEGA | Synonym of SAN CRISTOBAL | Nicaragua | |
| CHING-PE | Synonym of JINGBO | China (eastern) | |
| CHINGANA, CERRO LA | Dome of CHACHANI, NEVADO | Perú | |
| CHINGEINGEIN | Shield volcano of UKSICHAN | Kamchatka Peninsula | |
| CHINGO | Stratovolcano | Holocene | Guatemala |
| CHINGO, VOLCAN | Stratovolcano of CHINGO | Guatemala | |
| CHINGPOHU | Synonym of JINGBO | China (eastern) | |
| CHINGYU | Synonym of LONGGANG GROUP | China (eastern) | |
| CHINITOS, LOS | Fissure vent of SAN SALVADOR | El Salvador & Honduras | |
| CHINO, CERRO | Cinder cone of PACAYA | Guatemala | |
| CHINO, CERRO [OLLA, CERRO LA] | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| CHINO, CERRO DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CHINO, CERRO EL | Dome of AZUFRES, LOS | México | |
| CHINOIKE-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| CHINYERO | Cinder cone of TENERIFE | Canary Islands | |
| CHIO, MONTANA | Fissure vent of TENERIFE | Canary Islands | |
| CHIPILAPA | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| CHIQUIMULA VOLCANIC FIELD | Cinder cones | Holocene | Guatemala |
| CHIQUIOMATE | Synonym of HUAYNAPUTINA | Perú | |
| CHIQUITO, CERRO | Dome of PACAYA | Guatemala | |
| CHIRACHA | Stratovolcano | Holocene? | Africa (northeastern) & Red Sea |
| CHIRI-YAMA | Synonym of FUJI | Honshu | |
| CHIRICA | Stratovolcano of LIPARI | Italy | |
| CHIRIHOI [BRAT CHIRPOEV] | Stratovolcano of CHIRPOI | Kuril Islands | |
| CHIRIHOIGAKU [BRAT CHIRPOEV] | Stratovolcano of CHIRPOI | Kuril Islands | |
| CHIRINKOTAN | Stratovolcano | Historical | Kuril Islands |
| CHIRINKUTAN | Synonym of CHIRINKOTAN | Kuril Islands | |
| CHIRIP | Stratovolcanoes | Historical | Kuril Islands |
| CHIRIPNAPUI (CHIRIPNUPURI) | Synonym of CHIRIP | Kuril Islands | |
| CHIRIPORUPURI (CHIRIPPU-DAKE) | Synonym of CHIRIP | Kuril Islands | |
| CHIRIQUI, VOLCAN DE | Synonym of BARU | Panamá | |
| CHIRPOI | Caldera | Historical | Kuril Islands |
| CHIRRIQUI | Synonym of BARU | Panamá | |
| CHISENUPURI | Dome of NISEKO | Hokkaido | |
| CHISHIMA-IWO-ZAN | Synonym of EBEKO | Kuril Islands | |
| CHISNY, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CHITRA-CALOBRE | Synonym of YEGUADA, LA | Panamá | |
| CHITU | Maar of O'A CALDERA | Africa (northeastern) & Red Sea | |
| CHIUCHAM, CERRO | Dome of SANTO TOMAS | Guatemala | |
| CHIVATO, VOLCAN | Cone of DESCABEZADO GRANDE | Central Chile & Argentina | |
| CHIVO, CERRO | Cone of SAN CRISTOBAL | Galápagos Islands | |
| CHIVO, CERRO EL | Cone of PINACATE | México | |
| CHIVO, LOMA EL | Dome of PULULAGUA | Ecuador | |
| CHOASCHEN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| CHOCOLATE, CERRO [CERRO COLORADO] | Dome of ILOPANGO | El Salvador & Honduras | |
| CHOCOSUELA | Pleistocene caldera of PLATANAR | Costa Rica | |
| CHODUECO (CHODUANPIRE) | Synonym of OSORNO | Southern Chile & Argentina | |
| CHOJOCHONGEN | Synonym of KHODUTKA | Kamchatka Peninsula | |
| CHOKAI | Stratovolcanoes | Historical | Honshu |
| CHOKAI-SAN | Synonym of CHOKAI | Honshu | |
| CHOLOMDYK (CHOLOMDIK) | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| CHOME | Crater of LLAIMA | Central Chile & Argentina | |
| CHOMPIPE, CERRO | Stratovolcano of BARVA | Costa Rica | |
| CH'ON-JI [TIANCHI] | Caldera of CHANGBAISHAN | China (eastern) | |
| CHONAJTAJUYUB, CERRO | Dome of SANTO TOMAS | Guatemala | |
| CHONCE, EL [VOLCAN EL CHONCO] | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHONCLE [VOLCAN EL CHONCO] | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHONCO, VOLCAN EL | Stratovolcano of SAN CRISTOBAL | Nicaragua | |
| CHONI | Dome of METHANA | Greece | |
| CHOOGARYONG | Synonym of CH'UGA-RYONG | Korea | |
| CHOPINE, PUY | Dome of CHAINE DES PUYS | Western Europe | |
| CHORNY | Synonym of CHERNY | Kamchatka Peninsula | |
| CHOSHICHIRO-YAMA | Dome of AKAGI | Honshu | |
| CHOSHUENCO | Stratovolcano of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHOSHUENCO-EL MOCHO | Synonym of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHOSHUENCO-PILLAN | Synonym of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| CHOUNGOU-CHAGNOUMENI | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHOUNGOU-CHAHALE | Pit crater of KARTHALA | Indian Ocean (western) | |
| CHOUNGOU-CHAMADJI | Crater of KARTHALA | Indian Ocean (western) | |
| CHOUPANOV | Synonym of ZHUPANOVSKY | Kamchatka Peninsula | |
| CHOWDER RIDGE | Stratovolcano of BAKER | USA (Washington) | |
| CHRISTENSEN NUNATAK | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| CHRISTMAS | Former crater of WHITE ISLAND | New Zealand | |
| CHUBBE, JABAL | Crater of ARHAB, HARRA OF | Arabia | |
| CHUCAMITEPEQUE [LOMA LOS SIETE CERROS] | Cone of CHINGO | Guatemala | |
| CHUFQUEN, VOLCAN | Cone of SOLLIPULLI | Central Chile & Argentina | |
| CH'UGA-RYONG | Shield volcano | Holocene? | Korea |
| CHUGINADAK | Synonym of CLEVELAND | Aleutian Islands | |
| CHUGUL | Synonym of SEGULA | Aleutian Islands | |
| CHULUUT | Synonym of TARYATU-CHULUTU | Mongolia | |
| CHUN-PO | Synonym of TENGCHONG | Southeast Asia | |
| CHUNGURURU | Maar of KIEYO | Africa (eastern) | |
| CHUO-KAKOKYU | Cone of TOKACHI | Hokkaido | |
| CHUO-ZAO | Stratovolcano of ZAO | Honshu | |
| CHUPADERO | Crater of TECUAMBURRO | Guatemala | |
| CHUPIQUINA, NEVADO | Stratovolcano of TACORA | Northern Chile, Bolivia & Argentina | |
| CHURCHILL | Stratovolcano | Radiocarbon | Alaska (eastern) |
| CHUWERA | Crater of BUNYARUGURU | Africa (central) | |
| CHYORNOGO | Synonym of CHIRPOI | Kuril Islands | |
| CHYULU HILLS | Volcanic field | Anthropology | Africa (eastern) |
| CIAMPINO | Crater of ALBAN HILLS | Italy | |
| CIATUR | Thermal Feature of TANGKUBANPARAHU | Java | |
| CIBEUREUM | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBEUREUM | Thermal Feature of KAMOJANG, KAWAH | Java | |
| CIBEUREUM PALASARI | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBODAS, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBODAS, KAWAH | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIBODAS, KAWAH | Thermal Feature of SALAK | Java | |
| CIBOLANG, KAWAH | Thermal Feature of WAYANG-WINDU | Java | |
| CIBUNI, KAWAH | Thermal Feature of PATUHA | Java | |
| CIBURIAL | Thermal Feature of KAMOJANG, KAWAH | Java | |
| CIEGA, LAGUNA | Vent of SAN SALVADOR | El Salvador & Honduras | |
| CIEGA, LAGUNA | Stratovolcano of TECAPA | El Salvador & Honduras | |
| CIEGO, MONTAÑA | Cinder cone of TENERIFE | Canary Islands | |
| CIGAMEA, KAWAH | Thermal Feature of SALAK | Java | |
| CIGLIANO | Crater of CAMPI FLEGREI | Italy | |
| CIGLIO | Cone of ISCHIA | Italy | |
| CIGUATEPE, CERRO EL | Stratovolcano | Holocene? | Nicaragua |
| CIGUPAKAN | Thermal Feature of KENDANG | Java | |
| CIGUSHAN | Dome of TATUN GROUP | Taiwan | |
| CIHARUS | Stratovolcano of KAMOJANG, KAWAH | Java | |
| CIHIDEUNG, CIPANAS | Thermal Feature of SALAK | Java | |
| CIKALUWUNG PUTRI, KAWAH | Thermal Feature of SALAK | Java | |
| CIKALUWUNG, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIKALUWUNGHERANG, KAWAH | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CILEKATAN, GUNUNG | Cone of SLAMET | Java | |
| CILIK, GUNUNG | Cone of SLAMET | Java | |
| CILIK, GUNUNG | Cone of IJEN | Java | |
| CIMOTOE | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| CINCO PICOS | Shield volcano of TERCEIRA | Azores | |
| CINDER BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| CINDER CLIFF | Cone of EDZIZA | Canada | |
| CINDER CONE | Cinder cone of SHASTA | USA (California) | |
| CINDER CONE | Cinder cone of MEDICINE LAKE | USA (California) | |
| CINDER CONE | Cinder cone of LASSEN VOLCANIC CENTER | USA (California) | |
| CINDER CONE, THE | Cone of GARIBALDI LAKE | Canada | |
| CINDER HILL | Cone of NEWBERRY | USA (Oregon) | |
| CINDER HILLS | Cone of KILAUEA | Hawaiian Islands | |
| CINDER MOUNTAIN | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| CINNAMON BUTTE | Cinder cones | Holocene? | USA (Oregon) |
| CINOTEPEC, CERRO | Synonym of CINOTEPEQUE, CERRO | El Salvador & Honduras | |
| CINOTEPEQUE, CERRO | Volcanic field | Holocene | El Salvador & Honduras |
| CINOTEPEQUE, CERRO | Volcanic field | Holocene | El Salvador & Honduras |
| CINQUE DENTI | Pleistocene caldera of PANTELLERIA | Italy | |
| CINTRAO | Dome of AGUA DE PAU | Azores | |
| CIOTHIRAI | Cone of NYAMBENI HILLS | Africa (eastern) | |
| CIPAMATUTAN | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CIPANAS | See proper name (e.g. CIBODAS, CIPANAS) | Indonesian for HOT SPRINGS | |
| CIPANAS, KAWAH | Thermal Feature of SALAK | Java | |
| CIPENGASAHAN, KAWAH | Thermal Feature of KAMOJANG, KAWAH | Java | |
| CIREMAI | Synonym of CEREME | Java | |
| CIS, MOUNT | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| CISALADA, CIPANAS | Thermal Feature of SALAK | Java | |
| CISALADA, KAWAH | Thermal Feature of SALAK | Java | |
| CISEKATI, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CISEUPAN, CIPANAS | Thermal Feature of PERBAKTI-GAGAK | Java | |
| CISING | Dome of TATUN GROUP | Taiwan | |
| CISNE, NEVADO EL | Dome of RUIZ, NEVADO DEL | Colombia | |
| CISTERNAZZA | Crater of ETNA | Italy | |
| CITERNE, CRATERE | Crater of KARTHALA | Indian Ocean (western) | |
| CITERNE, LA | Cinder cone of SOUFRIERE GUADELOUPE | West Indies | |
| CITLALTEPEC | Synonym of ORIZABA, PICO DE | México | |
| CITLALTEPETL | Synonym of ORIZABA, PICO DE | México | |
| CITRONS GALETS, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CIWIDEI, KAWAH | Thermal Feature of PATUHA | Java | |
| CLAMBAKE | Thermal Feature of GALAPAGOS RIFT | Pacific Ocean (eastern) | |
| CLAPEROLS, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CLARA PEAK | Shield volcano of VALLES CALDERA | USA (New Mexico) | |
| CLARA, LAGUNETA | Cinder cone of SAN DIEGO | El Salvador & Honduras | |
| CLARA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| CLARK | Submarine volcano | Fumarolic | New Zealand |
| CLAY, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| CLEAR LAKE | Volcanic field | Holocene | USA (California) |
| CLEARWATER CONE GROUP | Synonym of WELLS GRAY-CLEARWATER | Canada | |
| CLEETWOOD | Vent of CRATER LAKE | USA (Oregon) | |
| CLEFT SEGMENT | Submarine volcano | Historical | Pacific Ocean (northern) |
| CLERIGO DUARTE, MONTANA DEL [VOLCAN TAO] | Cone of LANZAROTE | Canary Islands | |
| CLERMONT CHAMALIERES | Maar of CHAINE DES PUYS | Western Europe | |
| CLEVELAND | Stratovolcano | Historical | Aleutian Islands |
| CLIERZOU | Dome of CHAINE DES PUYS | Western Europe | |
| CLINKER PEAK | Stratovolcano of GARIBALDI LAKE | Canada | |
| COATEPEQUE CALDERA | Caldera | Holocene | El Salvador & Honduras |
| COATS CALDERA | Caldera of YUNASKA | Aleutian Islands | |
| COAXIAL SEGMENT | Submarine volcano | Historical | Pacific Ocean (northern) |
| COAXUSCO | Cinder cone of CHICHINAUTZIN | México | |
| COBA NEGRA | Pleistocene caldera of GALERAS | Colombia | |
| COBB MOUNTAIN | Cone of CLEAR LAKE | USA (California) | |
| COBB SEGMENT | Submarine volcano | Uranium-series | Pacific Ocean (northern) |
| COCHA I, LA | Dome of ATACAZO | Ecuador | |
| COCHA II, LA | Dome of ATACAZO | Ecuador | |
| COCHAGUE | Synonym of CONCHAGUA | El Salvador & Honduras | |
| COCHAPAMPA, CERRO | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| COCHAPATA | Dome of CHACHIMBIRO | Ecuador | |
| COCHIQUITO VOLCANIC GROUP | Stratovolcanoes | Holocene | Central Chile & Argentina |
| COCHIQUITO, VOLCAN | Stratovolcano of COCHIQUITO VOLCANIC GROUP | Central Chile & Argentina | |
| COCHONS, ILE AUX | Stratovolcano | Holocene | Indian Ocean (southern) |
| COCHONS, PITON DES | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| COCO, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| COCOA | Crater of EDZIZA | Canada | |
| COCONUCOS, LOS | Cone of PURACE | Colombia | |
| COCONUSCOS-AGUAS HERVIENDO | Thermal Feature of PURACE | Colombia | |
| COCONUSCOS-AGUAS TIBIAS | Thermal Feature of PURACE | Colombia | |
| COFFEE | Crater of EDZIZA | Canada | |
| COFFEEPOT CRATER | Crater of JORDAN CRATERS | USA (Oregon) | |
| COFRE DE PEROTE | Shield volcanoes | Radiocarbon | México |
| COGON | Dome of LABO | Luzon | |
| COHUAZALO, VOLCAN | Cone of CHICHINAUTZIN | México | |
| COIGUE | Crater of LLAIMA | Central Chile & Argentina | |
| COJUTEPEQUE | Synonym of ILOPANGO | El Salvador & Honduras | |
| COLACHI | Stratovolcano | Holocene | Northern Chile, Bolivia & Argentina |
| COLADA DENDRIFORME [CRATERES DE LOS BANOS] | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| COLADA LAS NIEBLAS | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| COLADO OCCIDENTAL | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| COLANGAL, CERRO | Dome of MOJANDA | Ecuador | |
| COLARDEAU, FUMEROLLES | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| COLD BAY VOLC CENTER | Synonym of FROSTY | Alaska Peninsula | |
| COLEMAN SEAMOUNT | Submarine volcano | Holocene | Bougainville & Solomon Islands |
| COLIMA | Stratovolcanoes | Historical | México |
| COLIMA, NEVADO DE | Stratovolcano of COLIMA | México | |
| COLLAQUI | Synonym of CALLAQUI | Central Chile & Argentina | |
| COLLE IANO | Cinder cone of ALBAN HILLS | Italy | |
| COLLE MARGHERITA | Dome of VESUVIUS | Italy | |
| COLLE ROTONDELLA | Dome of CAMPI FLEGREI | Italy | |
| COLLE UMBERTO | Dome of VESUVIUS | Italy | |
| COLLI ALBANI | Synonym of ALBAN HILLS | Italy | |
| COLLI LAZIALE | Synonym of ALBAN HILLS | Italy | |
| COLLI, CERRO EL | Dome of PRIMAVERA, SIERRA LA | México | |
| COLLIER CONE | Cinder cone of NORTH SISTER FIELD | USA (Oregon) | |
| COLLINS POINT | Tuff cone of DECEPTION ISLAND | Antarctica & South Sandwich Islands | |
| COLO [UNA UNA] | Stratovolcano | Historical | Sulawesi |
| COLOCI [TAULEVU] | Cone of TAVEUNI | Fiji Islands | |
| COLOMBO BANK | Maar of SANTORINI | Greece | |
| COLOOT | Synonym of KELUT | Java | |
| COLORADA, CALDERA | Cinder cone of LANZAROTE | Canary Islands | |
| COLORADA, MONTANA [MONTANA RODEOS] | Cinder cone of LANZAROTE | Canary Islands | |
| COLORADAS, LOMAS | Cinder cone of SOCORRO | México | |
| COLORADO | Crater of LLAIMA | Central Chile & Argentina | |
| COLORADO | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| COLORADO | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| COLORADO, CERRO | Cone of ZUNI-BANDERA | USA (New Mexico) | |
| COLORADO, CERRO | Tuff ring of PINACATE | México | |
| COLORADO, CERRO | Cinder cone of COFRE DE PEROTE | México | |
| COLORADO, CERRO | Dome of ILOPANGO | El Salvador & Honduras | |
| COLORADO, CERRO | Stratovolcano of MOMOTOMBO | Nicaragua | |
| COLORADO, CERRO | Cone of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| COLORADO, CERRO | Cone of CALABOZOS | Central Chile & Argentina | |
| COLORADO, CERRO | Cone of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| COLUMBA, VOLCAN | Cone of CALATRAVA VOLCANIC FIELD | Western Europe | |
| COLUMBIA CREST | Crater of RAINIER | USA (Washington) | |
| COLUMBO BANK [COLOMBO BANK] | Maar of SANTORINI | Greece | |
| COLUMNAR PEAK | Dome of GARIBALDI | Canada | |
| COMAL CHICO | Cinder cone of COLIMA | México | |
| COMAL GRANDE | Cinder cone of COLIMA | México | |
| COMALITO | Cinder cone of MASAYA | Nicaragua | |
| COMBEGRASSE, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| COME, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| COMMERSON, CRATERE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| COMONDU-LA PURISIMA | Volcanic field | Holocene? | México |
| COMPANA, CERRO LA | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| COMPANIA, CERRO | Cinder cone of CHINGO | Guatemala | |
| COMPANY BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| COMPETRI, MONTE | Cone of ALBAN HILLS | Italy | |
| COMUNIDAD | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| CONACASTE, CERRO [CERRO CHACHACASTE] | Dome of ILOPANGO | El Salvador & Honduras | |
| CONCEPCION | Stratovolcano | Historical | Nicaragua |
| CONCEPCION | Cone of BARVA | Costa Rica | |
| CONCEPCION DE ATACO | Pit crater of APANECA RANGE | El Salvador & Honduras | |
| CONCHA, LA | Fissure vent of CONCEPCION | Nicaragua | |
| CONCHAGUA | Stratovolcano | Uncertain | El Salvador & Honduras |
| CONCHAGUA ISLAND | Synonym of CONCHAGUITA | El Salvador & Honduras | |
| CONCHAGUITA | Stratovolcano | Historical | El Salvador & Honduras |
| CONCOLA | Crater of CAMPI FLEGREI | Italy | |
| CONCORDIA, CERRO LA GGUARAZI] | Cinder cone of BARVA | Costa Rica | |
| CONDON BUTTE | Cinder cone of NORTH SISTER FIELD | USA (Oregon) | |
| CONDOR, CERRO | Stratovolcano of ANTUCO | Central Chile & Argentina | |
| CONDOR, CERRO EL | Stratovolcano | Holocene | Northern Chile, Bolivia & Argentina |
| CONDRODIMUKO | Thermal Feature of DIENG VOLCANIC COMPLEX | Java | |
| CONDRODIMUKO, KAWAH | Thermal Feature of MERBABU | Java | |
| CONE CRATER | Cone of KILAUEA | Hawaiian Islands | |
| CONE GLACIER | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| CONE HILL | Fissure vent of ST. PAUL ISLAND | Alaska (western) | |
| CONE PEAK | Cone of KILAUEA | Hawaiian Islands | |
| CONE PLACE | Cone of KILIMANJARO | Africa (eastern) | |
| CONEJAL, CERRO EL | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| CONEJOS, MONTANAS DE LOS | Vent of TENERIFE | Canary Islands | |
| CONGO, CERRO | Stratovolcano of POAS | Costa Rica | |
| CONGO, VOLCAN | Synonym of PLATANAR | Costa Rica | |
| CONGRESS | Former crater of WHITE ISLAND | New Zealand | |
| CONGRO, LAGOA DO | Maar of AGUA DE PAU | Azores | |
| CONGUACO, CERRO | Crater of MOYUTA | Guatemala | |
| CONGUILLIO GROUP | Crater of LLAIMA | Central Chile & Argentina | |
| CONIL, MONT | Stratovolcano of PELEE | West Indies | |
| CONNECTED ISLAND | Cone of ZUBAIR, JEBEL | Africa (northeastern) & Red Sea | |
| CONTE VIDUA SOLFATARA FIELD | Thermal Feature of TONDANO CALDERA | Sulawesi | |
| CONTE, LE | Cinder cone of SOUTH SISTER | USA (Oregon) | |
| CONTODOC [CANTOLOC] | Stratovolcano of CABALIAN | Central Philippines | |
| CONTRADA CAFFEFI, CUDDIOLI DI | Vent of PANTELLERIA | Italy | |
| CONTRADA MURERA | Crater of CAMPI FLEGREI | Italy | |
| CONTRERAS, CERRO | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| CONVENTILIO, CERRO | Cone of SAN DIEGO | El Salvador & Honduras | |
| COOK ISLAND | Submarine vent of THULE ISLANDS | Antarctica & South Sandwich Islands | |
| COOK, VOLCAN | Synonym of FUEGUINO | Southern Chile & Argentina | |
| COOPER KNOLL | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| COPACOYA, GEISERS DE | Synonym of TATIO, EL | Northern Chile, Bolivia & Argentina | |
| COPAHUE | Stratovolcano | Historical | Central Chile & Argentina |
| COPAHUE, BANOS | Thermal Feature of COPAHUE | Central Chile & Argentina | |
| COPAHUES, LOS | Synonym of COPAHUE | Central Chile & Argentina | |
| COPETE, EL | Dome of REVENTADOR | Ecuador | |
| COPIAPO | Stratovolcano | Uncertain | Northern Chile, Bolivia & Argentina |
| COPITIRO, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| COPORITO, CERRO EL | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| COQUILLE, PUY DE LA | Cone of CHAINE DES PUYS | Western Europe | |
| CORA | Maar of ERCIYES DAGI | Turkey | |
| CORAGULAC, LAKE | Tuff ring of NEWER VOLCANICS PROV | Australia | |
| CORAZONCILLO, CALDERA DEL | Crater of LANZAROTE | Canary Islands | |
| CORBETTI CALDERA | Caldera | Holocene | Africa (northeastern) & Red Sea |
| CORCOBADO | Synonym of CORCOVADO | Southern Chile & Argentina | |
| CORCOVADO | Stratovolcano | Historical | Southern Chile & Argentina |
| CORDEMOY, CRATERE DE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CORDILLERA BLANCA | Synonym of CALLAQUI | Central Chile & Argentina | |
| CORDILLERA DEL PEDREGAL [CORDON CAULLE] | Fissure vent of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDILLERA DORSAL | Fissure vent of TENERIFE | Canary Islands | |
| CORDILLERA NEVADA | Caldera of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDILLERA PELADA [CORDON CAULLE] | Fissure vent of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDON CAULLE | Fissure vent of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| CORDON CENIZOS | Cone of PUNTIAGUDO-CORDON CENIZOS | Central Chile & Argentina | |
| CORDON DE ALVAREZ | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| CORDON DE PUNTAS NEGRAS | Stratovolcanoes | Holocene | Northern Chile, Bolivia & Argentina |
| CORDON DEL AZUFRE | Complex volcano | Holocene | Northern Chile, Bolivia & Argentina |
| CORDON EL CAUYE | Synonym of PUNTIAGUDO-CORDON CENIZOS | Central Chile & Argentina | |
| CORERO DE LA CHARCA, CERRO | Dome of YEGUADA, LA | Panamá | |
| CORINTH HEAD | Cone of HEARD | Indian Ocean (southern) | |
| CORNO DE BELLARIA | Dome of AMIATA | Italy | |
| CORONA, LA [LA CALDERETA] | Crater of TENERIFE | Canary Islands | |
| CORONA, MONTE | Cone of LANZAROTE | Canary Islands | |
| CORONADO | Stratovolcano | Fumarolic | México |
| COROPUNA | Stratovolcano | Holocene | Perú |
| COROZAL VIEJO, EL | Cone of MADERAS | Nicaragua | |
| CORRAL KNOLL [BLACK KNOLL] | Cinder cone of BALD KNOLL | USA (Utah) | |
| CORRAL QUEMADO [RININAHUE] | Maar of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| CORRALES, MONTANA | Cone of TENERIFE | Canary Islands | |
| CORRAO [GIULIA-FERDINANDEO] | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| CORTADERAL, CERRO EL | Fissure vent of CHACHANI, NEVADO | Perú | |
| CORTADERAS, LAS [PAMPA DE PALACIO] | Shield volcano of CHACHANI, NEVADO | Perú | |
| CORVO | Stratovolcano | Holocene | Azores |
| COS | Synonym of KOS | Greece | |
| COSEGUINA | Synonym of COSIGUINA | Nicaragua | |
| COSIGUINA | Stratovolcano | Historical | Nicaragua |
| COSO HOT SPRINGS | Thermal Feature of COSO VOLCANIC FIELD | USA (California) | |
| COSO RANGE | Synonym of COSO VOLCANIC FIELD | USA (California) | |
| COSO VOLCANIC FIELD | Lava domes | Holocene? | USA (California) |
| COSTA D'AGOSTO | Stratovolcano of LIPARI | Italy | |
| COSTA DE LENZUOLA | Crater of ISCHIA | Italy | |
| COSTA RICA, VOLCAN | Synonym of ARENAL | Costa Rica | |
| COSTA SPARAINA | Dome of ISCHIA | Italy | |
| COSTA, PUIG DE LA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| COSTE SAN DOMENICO | Crater of CAMPI FLEGREI | Italy | |
| COSTO MAAR | Maar of MICHOACAN-GUANAJUATO | México | |
| COTJI, CERRO [COSTO MAAR] | Maar of MICHOACAN-GUANAJUATO | México | |
| COTOPAXI | Stratovolcano | Historical | Ecuador |
| COTTERIL, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| COTTO BARANO, MT. | Cone of ISCHIA | Italy | |
| COTTO, MONTE | Cone of ISCHIA | Italy | |
| COTTON VOLCANO | Stratovolcano of HEALY | New Zealand | |
| COTTONWOOD PEAK | Cone of TUYA VOLCANIC FIELD | Canada | |
| COUGAR BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| COVA DA BURRA [PICO DA AREIA] | Dome of FURNAS | Azores | |
| COVA, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| COW HILL SOUFRIERE [TAR RIVER SOUFRIERE] | Thermal Feature of SOUFRIERE HILLS | West Indies | |
| COW LAKES LAVA FIELD | Synonym of JORDAN CRATERS | USA (Oregon) | |
| COWLEY ISLAND | Fissure vent of ALCEDO | Galápagos Islands | |
| COYOLTEPEC | Cinder cone of CHICHINAUTZIN | México | |
| COYOTE BUTTE | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| COYOTEPE, CERRO EL | Cinder cone of MASAYA | Nicaragua | |
| COYOTES, CERRO LOS | Cone of SAN DIEGO | El Salvador & Honduras | |
| CRABIER, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| CRAC, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| CRACATOA | Synonym of KRAKATAU | Krakatau | |
| CRACKER CREEK CONE | Cone of ATLIN VOLCANIC FIELD | Canada | |
| CRATER | See proper name (e.g. CITERNE, CRATER) | ||
| CRATER BASALT VOLCANIC FIELD | Cinder cones | Holocene | Southern Chile & Argentina |
| CRATER BUTTES | Cone of NEWBERRY | USA (Oregon) | |
| CRATER DOME | Dome of OKATAINA | New Zealand | |
| CRATER FOREST | Cinder cone of JINGBO | China (eastern) | |
| CRATER HILL | Tuff cone of AUCKLAND FIELD | New Zealand | |
| CRATER HILL | Cinder cone of ST. PAUL ISLAND | Alaska (western) | |
| CRATER LAKE | Crater of RUAPEHU | New Zealand | |
| CRATER LAKE | Caldera | Radiocarbon | USA (Oregon) |
| CRATER LAKE | Maar of DECEPTION ISLAND | Antarctica & South Sandwich Islands | |
| CRATER MOUNTAIN | Stratovolcano | Holocene? | New Guinea & D'Entrecasteaux Islands |
| CRATER MOUNTAIN | Cone of ST. MICHAEL | Alaska (western) | |
| CRATER MOUNTAIN | Dome of MONO CRATERS | USA (California) | |
| CRATER PEAK | Stratovolcano of SPURR | Alaska (southwestern) | |
| CRATER PEAK | Cone of CRATER LAKE | USA (Oregon) | |
| CRATER RIDGE | Dome of EDGECUMBE | Alaska (eastern) | |
| CRATER ROCK | Dome of HOOD | USA (Oregon) | |
| CRATER SE SPRINGS | Thermal Feature of PINATUBO | Luzon | |
| CRATER TOP | Dome of SHIVELUCH | Kamchatka Peninsula | |
| CRATERE | See proper name (e.g. BEAUNIT, CRATERE DE) | French for CRATER | |
| CRATERED DOME | Dome of MONO CRATERS | USA (California) | |
| CRATERES, MONTE DE | Cone of POSSESSION, ILE DE LA | Indian Ocean (southern) | |
| CRATERS OF THE MOON | Thermal Feature of MAROA | New Zealand | |
| CRATERS OF THE MOON | Cinder cones | Radiocarbon | USA (Idaho) |
| CRAVEN, MT. | Dome of ST. CATHERINE | West Indies | |
| CRAWFORD BAY | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| CRESCENT | Crater of BLACK ROCK DESERT | USA (Utah) | |
| CRESCENT BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| CRESCENT BUTTE | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| CRESCENT CRATER | Crater of LASSEN VOLCANIC CENTER | USA (California) | |
| CRESCENT, THE | Tuff ring of NAMARUNU | Africa (eastern) | |
| CRESPO, CERRO [CERRO QUEMADO] | Dome of ALMOLONGA | Guatemala | |
| CRIMSON HILL CONES | Tuff cone of DECEPTION ISLAND | Antarctica & South Sandwich Islands | |
| CRISTAL | Dome of GUAGUA PICHINCHA | Ecuador | |
| CRISTO REY | Cinder cone of NEGRO, CERRO | Nicaragua | |
| CROCKER, MT. | Cone of SANTA CRUZ | Galápagos Islands | |
| CROCODILE ISLAND | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| CROCODILE LAKE | Crater of CENTRAL ISLAND | Africa (eastern) | |
| CROCODRILOS, LAGUNA | Maar of SAN MARTIN | México | |
| CROSCAT, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| CROSS HILL | Tuff cone of DECEPTION ISLAND | Antarctica & South Sandwich Islands | |
| CROW LAGOON | Pyroclastic cone | Holocene | Canada |
| CRUCES, CERRO LAS | Cinder cone of SANTA ANA | El Salvador & Honduras | |
| CRUZ DE TEA, MONTANA LA | Cone of TENERIFE | Canary Islands | |
| CRUZ, CERRO LA | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| CRUZ, CERRO LA | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| CRUZ, MONTANA DE LA | Dome of TENERIFE | Canary Islands | |
| CRUZ, MONTANA LA | Cinder cone of TENERIFE | Canary Islands | |
| CRUZ, MONTE DE LA | Cinder cone of BARVA | Costa Rica | |
| CRUZ, PICO DA | Cone of SETE CIDADES | Azores | |
| CRUZ, PICO DO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| CRYDER BUTTE | Shield volcano of DAVIS LAKE | USA (Oregon) | |
| CU-LAO BO BAI | Cone of CU-LAO RE GROUP | Southeast Asia | |
| CU-LAO RE GROUP | Volcanic field | Holocene | Southeast Asia |
| CUADRADO, MOUNT | Dome of PINATUBO | Luzon | |
| CUALTA, LA | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| CUATEPETL, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| CUATES, CERRO LOS | Crater of PINACATE | México | |
| CUATES, CERROS | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CUAUATL | Cinder cone of CHICHINAUTZIN | México | |
| CUAUHTEMOC | Cinder cone of COLIMA | México | |
| CUAUTZIN | Shield volcano of CHICHINAUTZIN | México | |
| CUBILCHE, LOMA | Dome of IMBABURA | Ecuador | |
| CUCHUCAVI | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| CUCUNDICATA, CERRO | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CUDDIA / CUDDIE | See proper name (e.g. ROSSE, CUDDIA DEL) | Italian for HILL | |
| CUDDIOLI | See proper name (e.g. DIETRO ISOLA, CUDDIOLI DI) | Italian for HILL | |
| CUERIZI [GUARARI] | Cinder cone of BARVA | Costa Rica | |
| CUERNOS DE NEGROS | Complex volcano | Fumarolic | Central Philippines |
| CUERNOS DEL DIABLO | Stratovolcano | Holocene | Southern Chile & Argentina |
| CUERVO, THE [CALDERA DE LOS LAPAS] | Cinder cone of LANZAROTE | Canary Islands | |
| CUERVOS, CALDERA DE LOS [CALDERA LAPAS] | Cinder cone of LANZAROTE | Canary Islands | |
| CUERVOS, LOS | Cinder cone of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| CUERVOS, MONTANA DE LOS [CALDERA LAPAS] | Cinder cone of LANZAROTE | Canary Islands | |
| CUESTA DEL GUAYABO | Cinder cone of SUCHITAN | Guatemala | |
| CUESTA, CERRO LA | Dome of PRIMAVERA, SIERRA LA | México | |
| CUEVAS NEGRAS, MONTANA | Fissure vent of TENERIFE | Canary Islands | |
| CUEVAS, MONTANA DE LAS | Cinder cone of HIERRO | Canary Islands | |
| CUEVAS, VOLCAN LAS | Maar of CALATRAVA VOLCANIC FIELD | Western Europe | |
| CUEVOS DEL RATON, VOLCAN | Fissure vent of TENERIFE | Canary Islands | |
| CUGNO DI MANDRA | Stratovolcano of LIPARI | Italy | |
| CUICOCHA | Caldera | Radiocarbon | Ecuador |
| CUIDAD ARCE, CERRITO | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| CUIDAD GUZMAN, VOLCAN DE [NEVADO DE COLIMA] | Stratovolcano of COLIMA | México | |
| CUILAPA SUR, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CUILAPA, VOLCAN | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| CUILAPA-BARBARENA | Volcanic field | Holocene | Guatemala |
| CUIPILAPA | Synonym of MIRAVALLES | Costa Rica | |
| CULEBRA, LOMA LA | Cinder cone of SAN DIEGO | El Salvador & Honduras | |
| CULEBRAS BANK ? | Synonym of FALCON ISLAND | Tonga Islands | |
| CULEBREADO, CERRO EL | Dome of PRIMAVERA, SIERRA LA | México | |
| CULIACAN | Maar of MICHOACAN-GUANAJUATO | México | |
| CULIACAN, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| CULMA, VOLCAN | Cinder cone of SANTIAGO, CERRO | Guatemala | |
| CUMA | Dome of CAMPI FLEGREI | Italy | |
| CUMBAL | Stratovolcano | Historical | Colombia |
| CUMBAL, NEVADO DE | Synonym of CUMBAL | Colombia | |
| CUMBRE DE LA LINEA | Cone of FALSO AZUFRE | Northern Chile, Bolivia & Argentina | |
| CUMBRE DEL LAUDO | Stratovolcano of NEVADA, SIERRA | Northern Chile, Bolivia & Argentina | |
| CUMBRE GRANDE, EL | Dome of CUMBRES, LAS | México | |
| CUMBRE VIEJA | Stratovolcano of LA PALMA | Canary Islands | |
| CUMBRE, CERRO LA | Cinder cone of APANECA RANGE | El Salvador & Honduras | |
| CUMBRE, LA | Synonym of FERNANDINA | Galápagos Islands | |
| CUMBRES, LAS | Stratovolcano | Radiocarbon | México |
| CUNISTEPEQUE, CERRO | Cinder cone of CHINGO | Guatemala | |
| CUNRU | Dome of IMBABURA | Ecuador | |
| CUPAHUE | Synonym of COPAHUE | Central Chile & Argentina | |
| CUPU, GUNUNG | Cone of LAMONGAN | Java | |
| CURA, BANOS DEL | Thermal Feature of ALMOLONGA | Guatemala | |
| CURACOA | Submarine volcano | Historical | Tonga Islands |
| CURIQUINCA, CERRO | Stratovolcano of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| CURITZERAN, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CURRY, MOUNT | Submarine vent of ZAVODOVSKI | Antarctica & South Sandwich Islands | |
| CURTIS ISLAND | Submarine volcano | Uncertain | Kermadec Islands |
| CURUB | Synonym of KURUB | Africa (northeastern) & Red Sea | |
| CURUNGUEO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| CUSCACHAPA, LAGUNA DE | Pit crater of SANTA ANA | El Salvador & Honduras | |
| CUSCUNGO | Dome of ATACAZO | Ecuador | |
| CUSHNIRUMI | Stratovolcano of MOJANDA | Ecuador | |
| CUTZATO, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| CUVIGGHIUNI | Cinder cone of ETNA | Italy | |
| CUYANAUSUL | Synonym of APANECA RANGE | El Salvador & Honduras | |
| CUYANAUSUL, AUSOLES DE | Thermal Feature of APANECA RANGE | El Salvador & Honduras | |
| CUYOTEPE | Cone of APANECA RANGE | El Salvador & Honduras | |
| CUYUCUT | Thermal Feature of PINATUBO | Luzon | |
| CUYUFA | Synonym of SUMACO | Ecuador | |
| CWEAJAIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| D.D. CONE | Lava cone of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| DA ORE | Tuff ring of MANDA HARARO | Africa (northeastern) & Red Sea | |
| DA-PU | Thermal Feature of TATUN GROUP | Taiwan | |
| DA-YOU-KENG | Thermal Feature of TATUN GROUP | Taiwan | |
| DAAM | Synonym of WURLALI | Banda Sea | |
| DABAYRA | Synonym of DABBAYRA | Africa (northeastern) & Red Sea | |
| DABBAHU | Stratovolcano | Historical | Africa (northeastern) & Red Sea |
| DABBAIRA [BOINA] | Cone of DABBAHU | Africa (northeastern) & Red Sea | |
| DABBAYRA | Shield volcano | Holocene | Africa (northeastern) & Red Sea |
| DABITA | Synonym of ADWA | Africa (northeastern) & Red Sea | |
| DABITA ALE | Synonym of HERTALI | Africa (northeastern) & Red Sea | |
| DACHT-I-NAVAR GROUP | Lava domes | Holocene? | Iran & Afghanistan |
| DACHT-I-NAWAR | Synonym of DACHT-I-NAVAR GROUP | Iran & Afghanistan | |
| DA'ENKEI | Crater of KOMAGA-TAKE | Hokkaido | |
| DAFNI | Dome of SANTORINI | Greece | |
| DAFTAN | Synonym of TAFTAN | Iran & Afghanistan | |
| DAGAN, JABAL | Crater of ARHAB, HARRA OF | Arabia | |
| DAGANPAO | Cinder cone of JINGBO | China (eastern) | |
| DAGATAN, LAKE | Maar of BANAHAW | Luzon | |
| DAGELET | Synonym of ULREUNG | Korea | |
| DAGNYHAUGEN | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| DAGONGJIE | Cone of TENGCHONG | Southeast Asia | |
| DAGSA | Thermal Feature of PINATUBO | Luzon | |
| DAGUSHANZI [DAYISHAN] | Cone of LONGGANG GROUP | China (eastern) | |
| DAHEI SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DAHEI SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DAI-IO-SAN [TATARINOV] | Stratovolcano of CHIKURACHKI | Kuril Islands | |
| DAICHIGAMORI | Dome of KURIKOMA | Honshu | |
| DAIHANNYA-YAMA | Fissure vent of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| DAIKOKU | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| DAINICHI-DAKE | Synonym of KURIKOMA | Honshu | |
| DAINO-YAMA | Dome of IZU-TOBU | Honshu | |
| DAISETSU | Stratovolcanoes | Tephrochronology | Hokkaido |
| DAISETU-ZAN | Synonym of DAISETSU | Hokkaido | |
| DAITIMORI [DAICHIGAMORI] | Dome of KURIKOMA | Honshu | |
| DAITON GEOTHERMAL AREA | Thermal Feature of TATUN GROUP | Taiwan | |
| DAJIANHOUSHAN | Dome of TATUN GROUP | Taiwan | |
| DAJIANSHAN | Dome of TATUN GROUP | Taiwan | |
| DAKARA, GOF | Maar of MARSABIT | Africa (eastern) | |
| DAKATAUA | Caldera | Anthropology | New Britain |
| DAKELABAI (DAKELABALAI) | Synonym of CAMIGUIN DE BABUYANES | North of Luzon | |
| DAKONGSHAN | Cone of TENGCHONG | Southeast Asia | |
| DAKULA, MT. | Cinder cone of JOLO | Sulu Islands | |
| DAKUT | Cone of JOLO | Sulu Islands | |
| DALA FILLA | Synonym of DALAFFILLA | Africa (northeastern) & Red Sea | |
| DALAFFILLA | Stratovolcano | Historical | Africa (northeastern) & Red Sea |
| DALAHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| DALAHUM | Cone of AMBRYM | Vanuatu | |
| DALELDAR | Crater Row of KRAFLA | Iceland (northeastern) | |
| DALFJALL | Fissure vent of KRAFLA | Iceland (northeastern) | |
| DALIUCHONG | Cone of TENGCHONG | Southeast Asia | |
| DALJNY PLOSKY | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| DALLOL | Explosion craters | Historical | Africa (northeastern) & Red Sea |
| DALMAN | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| DAL'NEE, LAKE [LAKE DALNY] | Maar of UZON | Kamchatka Peninsula | |
| DAL'NII PLOSKY [DALJNY PLOSKY] | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| DALNY | Cone of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| DALNY | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| DALNY, LAKE | Maar of UZON | Kamchatka Peninsula | |
| DALNYAYA PLOSKY [DALJNY PLOSKY] | Shield volcano of USHKOVSKY | Kamchatka Peninsula | |
| DAL'NYEYE, LAKE [LAKE DALNY] | Maar of UZON | Kamchatka Peninsula | |
| DALONGWAN | Maar of LONGGANG GROUP | China (eastern) | |
| DALTON DOME | Dome of GARIBALDI | Canada | |
| DALY-TAPA | Synonym of DAR-ALAGES | Caucasus, Georgia & Armenia | |
| DAMA ALE | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DAMA ALI | Shield volcano | Historical | Africa (northeastern) & Red Sea |
| DAMA HALI (DAMAHALE) | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DAMAR | Synonym of WURLALI | Banda Sea | |
| DAMAVAND | Stratovolcano | Uranium-series | Iran & Afghanistan |
| DAMMER | Synonym of WURLALI | Banda Sea | |
| DAMPIER ISLAND | Synonym of KARKAR | Northeast of New Guinea | |
| DANA | Stratovolcano | Radiocarbon | Alaska Peninsula |
| DANAN | Thermal Feature of MAHAGNAO | Central Philippines | |
| DANAO, LAKE | Crater of MAHAGNAO | Central Philippines | |
| DANAU | See proper name (e.g. TALANG, DANAU) | Indonesian for LAKE | |
| DANAU | Pleistocene caldera of KARANG | Java | |
| DANBARU | Crater of KUJU | Ryukyu Islands & Kyushu | |
| DANGER BAY | Stratovolcano of CRATER LAKE | USA (Oregon) | |
| DANGEY | Thermal Feature of PINATUBO | Luzon | |
| D'ANGO, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DANGSANBONG | Tuff cone of HALLA | Korea | |
| DANKOLE | Cone of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| DANSAN | Tuff cone of HALLA | Korea | |
| DAR-ALAGES | Pyroclastic cones | Anthropology | Caucasus, Georgia & Armenia |
| DARAJAT | Thermal Feature of KENDANG | Java | |
| DARALAGES KETTE | Synonym of DAR-ALAGES | Caucasus, Georgia & Armenia | |
| DARALAGEZSKIY KHREBET | Synonym of DAR-ALAGES | Caucasus, Georgia & Armenia | |
| DARGO | Crater of KELUT | Java | |
| DARIGANGA VOLCANIC FIELD | Cinder cones | Holocene | Mongolia |
| DARNLEY, MOUNT | Cone of BRISTOL ISLAND | Antarctica & South Sandwich Islands | |
| DAROEGAN, RANOE [RANU DARUNGAN] | Maar of SEMERU | Java | |
| DARUNGAN, RANU | Maar of SEMERU | Java | |
| DARWIN | Shield volcano | Surface Exposure | Galápagos Islands |
| DARWIN BAY | Caldera of GENOVESA | Galápagos Islands | |
| DATIL, CERRO EL | Cinder cone of COMONDU-LA PURISIMA | México | |
| DATUN VOLCANO GROUP | Synonym of TATUN GROUP | Taiwan | |
| DATUNSHAN | Dome of TATUN GROUP | Taiwan | |
| DAUN, BUKIT | Stratovolcanoes | Fumarolic | Sumatra |
| DAUNER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| DAUPHINE ESTATE, LA | Crater of QUALIBOU | West Indies | |
| DA'URE | Fissure vent of DABBAHU | Africa (northeastern) & Red Sea | |
| DAVAO VOLCANO | Synonym of APO | Mindanao | |
| DAVAPIA ROCKS | Cone of RABAUL | New Britain | |
| DAVEY PEAK | Cone of TONEY MOUNTAIN | Antarctica & South Sandwich Islands | |
| DAVIDOF | Stratovolcano | Holocene? | Aleutian Islands |
| DAVIS LAKE | Volcanic field | Radiocarbon | USA (Oregon) |
| DAVIS MOUNTAIN | Shield volcano of DAVIS LAKE | USA (Oregon) | |
| DAWON, BOEKIT | Synonym of DAUN, BUKIT | Sumatra | |
| DAWSON STRAIT GROUP | Volcanic field | Hydration Rind | New Guinea & D'Entrecasteaux Islands |
| DAYANZHIFENG | Cone of CHANGBAISHAN | China (eastern) | |
| DAYINGSHAN | Stratovolcano of TENGCHONG | Southeast Asia | |
| DAYISHAN | Cone of LONGGANG GROUP | China (eastern) | |
| DEACON PEAK | Cone of PENGUIN ISLAND | Antarctica & South Sandwich Islands | |
| DEAD MAN'S HILL | Dome of ST. CATHERINE | West Indies | |
| DEADEA [DEIDEI] | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DEADMAN CREEK | Dome of INYO CRATERS | USA (California) | |
| DEBADO GERA HAYK | Maar of LIADO HAYK | Africa (northeastern) & Red Sea | |
| DEBAWALA | Thermal Feature of IAMALELE | New Guinea & D'Entrecasteaux Islands | |
| DEBAWALA | Thermal Feature of IAMALELE | New Guinea & D'Entrecasteaux Islands | |
| DEBRE ZEIT | Synonym of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| DEBUNSCHA | Cone of CAMEROON | Africa (western) | |
| DECEPTION ISLAND | Caldera | Historical | Antarctica & South Sandwich Islands |
| DEDICA (DEDICAS) | Synonym of DIDICAS | North of Luzon | |
| DEEP CRATER | Crater of MEDICINE LAKE | USA (California) | |
| DEEP CRATER | Crater of SANTA CRUZ | Galápagos Islands | |
| DEER HILL | Dome of REPOROA | New Zealand | |
| DEER MOUNTAIN | Dome of LONG VALLEY | USA (California) | |
| DEER MOUNTAIN [CERRO HUECO] | Shield volcano of ZUNI-BANDERA | USA (New Mexico) | |
| DEFORMES | Thermal Feature of GALERAS | Colombia | |
| DEIDEI | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DELAIRE, VOLCAN | Cone of CHICHINAUTZIN | México | |
| DELAKI, GUNUNG | Synonym of SIRUNG | Lesser Sunda Islands | |
| DELICIAS, CERRO LAS | Dome of ILOPANGO | El Salvador & Honduras | |
| DELICIAS, CERRO LAS | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| DELIRIO, EL | Cone of MADERAS | Nicaragua | |
| DEMA ALI | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DEMAVEND (DEMAWEND) | Synonym of DAMAVAND | Iran & Afghanistan | |
| DEMOCRATICO | Stratovolcano of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| DEMON | Stratovolcano | Holocene | Kuril Islands |
| DEMPO | Stratovolcanoes | Historical | Sumatra |
| DENHAM BAY | Caldera of RAOUL ISLAND | Kermadec Islands | |
| DENISON | Stratovolcano | Holocene? | Alaska Peninsula |
| DENT BICORNE | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| DENT BLANCHES | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| DEPRESION DE SAN LORENZO | Maar of CHINGO | Guatemala | |
| DERBI-TAIGA [DERBI-TAYGA] | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| DERBI-TAYGA | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| DERIBA | Caldera of MARRA, JEBEL | Africa (northern) | |
| DERRUMBADAS, LAS | Dome of SERDAN-ORIENTAL | México | |
| DES VOEUX PEAK | Cone of TAVEUNI | Fiji Islands | |
| DESCABEZADO CHICO | Cone of CALABOZOS | Central Chile & Argentina | |
| DESCABEZADO DEL MAULE | Synonym of DESCABEZADO GRANDE | Central Chile & Argentina | |
| DESCABEZADO GRANDE | Stratovolcanoes | Historical | Central Chile & Argentina |
| DESCONOCIDO-TECOMALES | Synonym of GLORIA, LA | México | |
| DESEJADO, PICO | Dome of TRINDADE | Atlantic Ocean (central) | |
| DESERET | Vent of BLACK ROCK DESERT | USA (Utah) | |
| DESERT CONE | Cone of CRATER LAKE | USA (Oregon) | |
| DESLACS ISLAND | Synonym of GAROVE | New Britain | |
| DESMONTE, VOLCAN | Dome of MASCOTA VOLCANIC FIELD | México | |
| DESOLATION LAVA FIELD | Vent of EDZIZA | Canada | |
| DESOLATION, VALLEY OF | Thermal Feature of WATT, MORNE | West Indies | |
| DESTINEE, MORNE | Dome of DIABLES, MORNE AUX | West Indies | |
| DEUXIEME FORMICA LEO | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DEVASTATION | Vent of MEAGER | Canada | |
| DEVASTATION VOLCANO [POGROMNI] | Stratovolcano of WESTDAHL | Aleutian Islands | |
| DEVASTATOR, THE | Cone of MEAGER | Canada | |
| DEVIL ROCK [NGWALA ROCK] | Tuff cone of AOBA | Vanuatu | |
| DEVILS CAULDRON | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| DEVILS GARDEN | Volcanic field | Holocene? | USA (Oregon) |
| DEVILS HILL | Dome of SOUTH SISTER | USA (Oregon) | |
| DEVILS KITCHEN | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| DEVIL'S NEEDLE | Vent of LENGAI, OL DOINYO | Africa (eastern) | |
| DEVILS THROAT | Pit crater of KILAUEA | Hawaiian Islands | |
| DEWA-FUJI | Synonym of CHOKAI | Honshu | |
| DHAMAR, HARRAS OF | Volcanic field | Historical | Arabia |
| DHEMENEGHAKI | Pumice cone of MILOS | Greece | |
| DHIN, JABAL | Crater of ARHAB, HARRA OF | Arabia | |
| DHU RAKHAM, JABAL | Cone of DHAMAR, HARRAS OF | Arabia | |
| DI BARUH, DANAU | Crater of TALANG | Sumatra | |
| DIABLE, CERRO DEL | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| DIABLES, MORNE AUX | Stratovolcano | Holocene | West Indies |
| DIABLOTINS, MORNE | Stratovolcano | Holocene? | West Indies |
| DIAMANTE | Pleistocene caldera of MAIPO | Central Chile & Argentina | |
| DIAMOND CRATERS | Volcanic field | Holocene? | USA (Oregon) |
| DIAMOND ROCK | Dome of KICK 'EM JENNY | West Indies | |
| DIAU [MT. OIAU] | Stratovolcano of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DIBA' AL HURUS, JIBAL | Dome of RAHAT, HARRAT | Arabia | |
| DIDICA (DIDICAS) | Synonym of DIDICAS | North of Luzon | |
| DIDICAS | Compound volcano | Historical | North of Luzon |
| DIDIKAS ROCKS | Synonym of DIDICAS | North of Luzon | |
| DIDIMTU | Cone of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| DIEGO DE LA HAYA | Crater of IRAZU | Costa Rica | |
| DIEGO DE LA HAYA FERNANDEZ [DIEGO DE LA HAYA] | Crater of IRAZU | Costa Rica | |
| DIEGO HERNANDEZ | Pleistocene caldera of TENERIFE | Canary Islands | |
| DIENG VOLCANIC COMPLEX | Complex volcano | Historical | Java |
| DIETRO ISOLA, CUDDIOLI DI | Shield volcano of PANTELLERIA | Italy | |
| DIFESO, MONTE | Cinder cone of ETNA | Italy | |
| DIGUILLIN | Pleistocene caldera of CHILLAN, NEVADOS DE | Central Chile & Argentina | |
| DIKIY GREBEN | Synonym of DIKY GREBEN | Kamchatka Peninsula | |
| DIKKARTIN DAG | Dome of ERCIYES DAGI | Turkey | |
| DIKKARTINI | Dome of ERCIYES DAGI | Turkey | |
| DIKY GREBEN | Lava domes | Radiocarbon | Kamchatka Peninsula |
| DIKY KHREBET [DIKYE GREBEN] | Synonym of DIKY GREBEN | Kamchatka Peninsula | |
| DILEKENE | Crater of DUKONO | Halmahera | |
| DILLER CONE [MAKLAKS CRATER] | Cinder cone of CRATER LAKE | USA (Oregon) | |
| DIMA | Lava cone of KRASHENINNIKOV | Kamchatka Peninsula | |
| DIMMADALSHAEDH | Shield volcano of HENGILL | Iceland (southwestern) | |
| DINERO | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| DIODIO | Maar of GOODENOUGH | New Guinea & D'Entrecasteaux Islands | |
| DIOGENEAS, MT. [HANGING ROCK] | Dome of NEWER VOLCANICS PROV | Australia | |
| DIONISIO | Stratovolcano of BABUYAN CLARO | North of Luzon | |
| DIRDO KOMA | Crater of MANDA-INAKIR | Africa (northeastern) & Red Sea | |
| DISAPPOINTMENT CLEAVER | Thermal Feature of RAINIER | USA (Washington) | |
| DISAPPOINTMENT PEAK | Dome of GLACIER PEAK | USA (Washington) | |
| DISHPAN GAP | Cinder cone of GLACIER PEAK | USA (Washington) | |
| DITMAR | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| DIVES, MONT DE LA | Stratovolcano of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| DIXON, MT. | Stratovolcano of HEARD | Indian Ocean (southern) | |
| DJABI | Synonym of CORBETTI CALDERA | Africa (northeastern) & Red Sea | |
| DJAILOLO | Synonym of JAILOLO | Halmahera | |
| DJAMBANGAN [JAMBANGAN] | Crater of IYANG-ARGAPURA | Java | |
| DJAPATI [JAPATI] | Crater of GUNTUR | Java | |
| DJAR'A, DJEBEL | Synonym of YAR, JABAL | Arabia | |
| DJAR'ATAIN, HARRA OF [JAR'ATAIN] | Cone of YAR, JABAL | Arabia | |
| DJARIAN, KAWAH [KAWAH JARIAN] | Crater of TANGKUBANPARAHU | Java | |
| DJARRA | Synonym of YAR, JABAL | Arabia | |
| DJAWALO [JAWALO] | Crater of PALUWEH | Lesser Sunda Islands | |
| DJEBEL | See proper name (e.g. DHIN, DJEBEL) | French spelling of Arabaic word for MT. | |
| DJEMBANGAN [JAMBANGAN] | Caldera of SEMERU | Java | |
| DJEMBANGAN [JAMBANGAN] | Caldera of SEMERU | Java | |
| DJERBAN | Crater of ARHAB, HARRA OF | Arabia | |
| DJERO [JERO] | Crater of ARJUNO-WELIRANG | Java | |
| DJINGGO, KAPUNDAN [KEPUNDAN JINGGO] | Crater of MARAPI | Sumatra | |
| DJIRING PLATEAU | Synonym of HAUT DONG NAI | Southeast Asia | |
| DJONGGRING SELOKO [JONGGRING SELOKO] | Crater of SEMERU | Java | |
| DJOUGOUDJA DSAHA | Crater of KARTHALA | Indian Ocean (western) | |
| DJUNGO, LE | Cone of TOMBEL GRABEN | Africa (western) | |
| DJURIG, KAWAH [KAWAH JURIG] | Crater of TANGKUBANPARAHU | Java | |
| DOBU | Stratovolcano of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| DODOEKKO | Synonym of DUKONO | Halmahera | |
| DOE PEAK | Cone of MEDICINE LAKE | USA (California) | |
| DOEANG | Synonym of RUANG | Sangihe Islands | |
| DOEKONO | Synonym of DUKONO | Halmahera | |
| DOEWANG | Synonym of RUANG | Sangihe Islands | |
| DOFAN (DOFANE, DOFANI) | Synonym of DOFEN | Africa (northeastern) & Red Sea | |
| DOFEN | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| DOGANA, LA | Cone of VULSINI | Italy | |
| DOGS HEAD | Dome of ST. HELENS | USA (Washington) | |
| DOHMBERG | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| DOINYO | See proper name (e.g. BURU, DOINYO) | Masai for MT. | |
| DOLINNIY | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| DOLOK | See proper name (e.g. SINGGALANG, DOLOK) | Indonesian for MOUNTAIN | |
| DOLOMIEU | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DOM JOAO DE CASTRO BANK | Synonym of DON JOAO DE CASTRO BANK | Azores | |
| DOMA ALE | Synonym of DAMA ALI | Africa (northeastern) & Red Sea | |
| DOMA CARVA | Pleistocene caldera of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| DOMA PEAKS | Stratovolcano | Holocene? | New Guinea & D'Entrecasteaux Islands |
| DOMADALSHRAUN | Fissure vent of TORFAJOKULL | Iceland (southern) | |
| DOMAIN | Tuff ring of AUCKLAND FIELD | New Zealand | |
| DOMAS, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| DOMASHNII | Cinder cone of KOSTAKAN | Kamchatka Peninsula | |
| DOMBROVSKIY | Cone of VITIM PLATEAU | Russia (southeastern) | |
| DOME, PUY DE | Dome of CHAINE DES PUYS | Western Europe | |
| DOME, THE | Dome of TARANAKI [EGMONT] | New Zealand | |
| DOME, THE | Cinder cone of NEWBERRY | USA (Oregon) | |
| DOMESHNYAYA | Dome of KSUDACH | Kamchatka Peninsula | |
| DOMINGO SPRING | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| DOMO DEL AZUFRE | Dome of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| DOMUYO | Stratovolcano | Holocene? | Central Chile & Argentina |
| DON CASIMIRO, VOLCAN | Cinder cone of MAIPO | Central Chile & Argentina | |
| DON CHANA, CERRO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| DON CHUCO | Stratovolcano of TINGUIRIRICA | Central Chile & Argentina | |
| DON GREGORI0 [CERRO DON CHANA] | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| DON JOAO DE CASTRO BANK | Submarine volcano | Historical | Azores |
| DONA JUANA | Stratovolcano | Historical | Colombia |
| DONALD | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| DONALD DUCK | Crater of WHITE ISLAND | New Zealand | |
| DONG SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DONGDAPOTOU | Cone of TENGCHONG | Southeast Asia | |
| DONGHENGDAOSHAN | Cone of LONGGANG GROUP | China (eastern) | |
| DONGHUOKOU | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DONGJIAODEBUSHAN | Cone of WUDALIANCHI | China (eastern) | |
| DONGLONGMENSHAN | Cone of WUDALIANCHI | China (eastern) | |
| DONGLONGWAN | Maar of LONGGANG GROUP | China (eastern) | |
| DONGO, MORNE | Dome of SOUFRIERE GUADELOUPE | West Indies | |
| DONKORO-YAMA | Cone of USU | Hokkaido | |
| DONNOYE | Thermal Feature of MUTNOVSKY | Kamchatka Peninsula | |
| DONYO | See proper name (e.g. NGAI, DONYO) | Masai for MT. | |
| DOON [TROU AU NATRON] | Pleistocene caldera of TOUSSIDE, TARSO | Africa (northern) | |
| DOON KIDIMI | Crater of TOUSSIDE, TARSO | Africa (northern) | |
| DOON KINIMI [DOON KIDIMI] | Crater of TOUSSIDE, TARSO | Africa (northern) | |
| DOON OREI [TROU AU NATRON] | Pleistocene caldera of TOUSSIDE, TARSO | Africa (northern) | |
| DORO AFI TOI | Dome of TAMBORA | Lesser Sunda Islands | |
| DORO API | Cone of SANGEANG API | Lesser Sunda Islands | |
| DORO MANTAI | Cone of SANGEANG API | Lesser Sunda Islands | |
| DORO MANTOI [DORO MANTAI] | Cone of SANGEANG API | Lesser Sunda Islands | |
| DORR FUMAROLE FIELD | Thermal Feature of BAKER | USA (Washington) | |
| DOS CERROS | Shield volcano of CHICHINAUTZIN | México | |
| DOS COYOTES | Dome of PRIMAVERA, SIERRA LA | México | |
| DOS EQUIS | Dome of CEBORUCO | México | |
| DOS NOVILLOS, VOLCAN | Stratovolcano of TURRIALBA | Costa Rica | |
| DOS TRINTA, CABECO | Cone of FAYAL | Azores | |
| DOTSERO | Maar | Radiocarbon | USA (Colorado) |
| DOUBLE CRATER | Stratovolcano of EMMONS LAKE | Alaska Peninsula | |
| DOUBLE HOLE CRATER | Crater of MEDICINE LAKE | USA (California) | |
| DOUGLAS | Stratovolcano | Holocene | Alaska Peninsula |
| DOUKKHAN, DJEBEL [JEBEL DUCHAN] | Cone of TAIR, JEBEL AT | Africa (northeastern) & Red Sea | |
| DOUSSAINTS | Cone of IRAZU | Costa Rica | |
| DOWI [MT. REAUMUR] | Stratovolcano of LONG ISLAND | Northeast of New Guinea | |
| DOWNS CONE | Cone of TONEY MOUNTAIN | Antarctica & South Sandwich Islands | |
| DOYO SEAMOUNT | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| DR. FERREIRA, PICO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| DRAGON | Cone of WELLS GRAY-CLEARWATER | Canada | |
| DRAKESBAD | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| DRAKON | Dome of GROZNY GROUP | Kuril Islands | |
| DRANGAGRUNDIR | Fissure vent of KRAFLA | Iceland (northeastern) | |
| DREISER WEIHER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| DREKAGIGAROD | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| DRINGO | Crater of DIENG VOLCANIC COMPLEX | Java | |
| DROUZ, DJEBEL ED | Synonym of DRUZE, JABAL AD | Syria | |
| DRUSE, JABAL | Cone of ES SAFA | Syria | |
| DRUZ, JABAL AL | Synonym of DRUZE, JABAL AD | Syria | |
| DRUZE, JABAL AD | Volcanic field | Holocene | Syria |
| DRY BUTTE | Cinder cone of BACHELOR | USA (Oregon) | |
| DRY CRATER | Crater of CENTRAL ISLAND | Africa (eastern) | |
| DRY CREEK DOME | Dome of LONG VALLEY | USA (California) | |
| DRY MAAR | Maar of DIAMOND CRATERS | USA (Oregon) | |
| DRYDEN'S ROCK [HANGING ROCK] | Dome of NEWER VOLCANICS PROV | Australia | |
| DRYGALSKI, MT. | Cone of HEARD | Indian Ocean (southern) | |
| DUA SAUDARA | Stratovolcano of TONGKOKO | Sulawesi | |
| DUA SAUDARA | Cone of AMASING | Halmahera | |
| DUANG | Synonym of RUANG | Sangihe Islands | |
| DUANI | Cone of CHYULU HILLS | Africa (eastern) | |
| DUANZISHAN [TUANZISHAN] | Cinder cone of KELUO GROUP | China (eastern) | |
| DUBBEH, DJEBEL | Synonym of DUBBI | Africa (northeastern) & Red Sea | |
| DUBBEY, GEBEL | Synonym of DUBBI | Africa (northeastern) & Red Sea | |
| DUBBI | Stratovolcano | Historical | Africa (northeastern) & Red Sea |
| DUCHAN, JEBEL | Cone of TAIR, JEBEL AT | Africa (northeastern) & Red Sea | |
| DUCK LAKE | Crater of YELLOWSTONE | USA (Wyoming) | |
| DUCROT | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DUDERS HILL | Cone of AUCKLAND FIELD | New Zealand | |
| DUENJO | See proper name (e.g. NGAI, DUENJO) | Masai for MT. | |
| DUFFERINBREEN | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| DUFFRIN ISLAND | Cone of MILBANKE SOUND GROUP | Canada | |
| DUGA | Cinder cone of KRASHENINNIKOV | Kamchatka Peninsula | |
| DUJIANSHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| DUKANA VOLC FIELD | Synonym of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| DUKO MA TALA | Synonym of DUKONO | Halmahera | |
| DUKONO | Complex volcano | Historical | Halmahera |
| DUMAS | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| DUMILAH | Crater of LAWU | Java | |
| DUNCAN CANAL | Volcanic field | Holocene | Alaska (eastern) |
| DUNDOLI | Cone of NGOZI | Africa (eastern) | |
| DUPORTAIL | Synonym of LOLOBAU | New Britain | |
| DUPPACHER WEIHER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| DURANDAL | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| DURANGO VOLCANIC FIELD | Cinder cones | Holocene | México |
| DURAZ, JEBEL | Synonym of DRUZE, JABAL AD | Syria | |
| DURAZNERO [SAN JUAN] | Fissure vent of LA PALMA | Canary Islands | |
| DURAZNILLO, CERRO | Stratovolcano of SANTA ANA | El Salvador & Honduras | |
| DURRES | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| DURUZ, JABAL ED | Synonym of DRUZE, JABAL AD | Syria | |
| DUSY | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| DUTTON | Stratovolcano | Holocene | Alaska Peninsula |
| DUTTON CLIFF | Stratovolcano of CRATER LAKE | USA (Oregon) | |
| DUWANG | Synonym of RUANG | Sangihe Islands | |
| DVEGGAR | Crater Row of TUNGNAFELLSJOKULL | Iceland (northeastern) | |
| DVERGAHRAUN | Crater Row of BARDARBUNGA | Iceland (northeastern) | |
| DVOINOI | Dome of UDOKAN PLATEAU | Russia (southeastern) | |
| DVOINOY | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| DVOR | Stratovolcano of KARYMSKY | Kamchatka Peninsula | |
| DVUKHGLAVY | Dome of BEZYMIANNY | Kamchatka Peninsula | |
| DYNGJUFJALLAHRAUN | Crater Row of ASKJA | Iceland (northeastern) | |
| DYNGJUFJOLL | Crater Row of ASKJA | Iceland (northeastern) | |
| DYNGJUHALS | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| DYNGNAHRAUN | Crater Row of KRISUVIK | Iceland (southwestern) | |
| DYNJUFJOLL (DYNGJUFJALL) | Synonym of ASKJA | Iceland (northeastern) | |
| DZAN TOLOGAI | Cone of TARYATU-CHULUTU | Mongolia | |
| DZENZURSKAIA, SOPKA | Synonym of DZENZURSKY | Kamchatka Peninsula | |
| DZENZURSKY | Compound volcano | Holocene | Kamchatka Peninsula |
| DZHANGA-TAPA | Cone of ARAGATS | Caucasus, Georgia & Armenia | |
| DZIGOKU [TREZUBETZ] | Somma volcano of KOLOKOL GROUP | Kuril Islands | |
| DZUN-NERETTE | Cone of DARIGANGA VOLCANIC FIELD | Mongolia | |
| E-SAN | Stratovolcano | Historical | Hokkaido |
| EAGLE LAKE FIELD | Fissure vents | Holocene? | USA (California) |
| EAGLE PEAK | Dome of LASSEN VOLCANIC CENTER | USA (California) | |
| EANASTICK MEADOW | Vent of GARIBALDI | Canada | |
| EARTHQUAKE DOME | Dome of MAMMOTH MOUNTAIN | USA (California) | |
| EAST CABRIT | Dome of DIABLES, MORNE AUX | West Indies | |
| EAST CAPE VOLCANO | Stratovolcano of BULDIR | Aleutian Islands | |
| EAST CRATER | Crater of WHITE ISLAND | New Zealand | |
| EAST CRATER | Crater of RUAPEHU | New Zealand | |
| EAST CRATER | Crater of WRANGELL | Alaska (eastern) | |
| EAST CRATER | Crater of RAINIER | USA (Washington) | |
| EAST CRATER | Shield volcano of INDIAN HEAVEN | USA (Washington) | |
| EAST DIAMANTE | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| EAST DOME | Dome of WHALE ISLAND | New Zealand | |
| EAST DOME | Dome of ST. HELENS | USA (Washington) | |
| EAST EPI | Caldera of EPI | Vanuatu | |
| EAST ISLAND | Synonym of EST, ILE DE L' | Indian Ocean (southern) | |
| EAST LAKE FISSURE | Fissure vent of NEWBERRY | USA (Oregon) | |
| EAST LAVA FIELD | Synonym of SQUAW RIDGE LAVA FIELD | USA (Oregon) | |
| EAST MAAR | Maar of UKINREK MAARS | Alaska Peninsula | |
| EAST MAUI VOLCANO | Synonym of HALEAKALA | Hawaiian Islands | |
| EAST RIFT ZONE | Fissure vent of KILAUEA | Hawaiian Islands | |
| EAST SAND BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| EAST SAYAN VOLC FIELD | Synonym of OKA PLATEAU | Russia (southeastern) | |
| EAST SIKHOTE-ALIN | Synonym of SIKHOTE-ALIN | Russia (southeastern) | |
| EAST TANAKA | Stratovolcano of TANAGA | Aleutian Islands | |
| EAST TRIDENT | Stratovolcano of TRIDENT | Alaska Peninsula | |
| EAST TUVA PLATEAU | Synonym of AZAS PLATEAU | Russia (southeastern) | |
| EAST TWIN CRATER | Maar of DIAMOND CRATERS | USA (Oregon) | |
| EAST ZEWAY | Synonym of EAST ZWAY | Africa (northeastern) & Red Sea | |
| EAST ZIWAY | Synonym of EAST ZWAY | Africa (northeastern) & Red Sea | |
| EAST ZWAI | Synonym of EAST ZWAY | Africa (northeastern) & Red Sea | |
| EAST ZWAY | Fissure vents | Holocene | Africa (northeastern) & Red Sea |
| EAST-MATTHEW | Cone of MATTHEW ISLAND | Pacific Ocean (southwestern) | |
| EASTER ISLAND | Shield volcanoes | Holocene | Pacific Ocean (Chilean Islands) |
| EASTERN DOME | Dome of OKATAINA | New Zealand | |
| EASTERN GEMINI SEAMOUNT | Submarine volcano | Historical | Pacific Ocean (southwestern) |
| EASTERN HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| EASTERN MOUND | Stratovolcano of FISHER | Aleutian Islands | |
| EBEKO | Somma volcano | Historical | Kuril Islands |
| EBINO-DAKE | Stratovolcano of KIRISHIMA | Ryukyu Islands & Kyushu | |
| EBO LOBO (EBOELOBA) | Synonym of EBULOBO | Lesser Sunda Islands | |
| EBOGA | Pleistocene caldera of MANENGOUBA | Africa (western) | |
| EBOSHI-DAKE | Cone of KIRISHIMA | Ryukyu Islands & Kyushu | |
| EBOSHI-DAKE | Stratovolcano of ASO | Ryukyu Islands & Kyushu | |
| EBOSHI-DAKE | Cone of NORIKURA | Honshu | |
| EBOSHI-DAKE | Stratovolcano of DAISETSU | Hokkaido | |
| EBOSI-DAKE [EBOSHI-DAKE] | Cone of KIRISHIMA | Ryukyu Islands & Kyushu | |
| EBOSI-DAKE [EBOSHI-DAKE] | Stratovolcano of DAISETSU | Hokkaido | |
| EBU LOBO | Synonym of EBULOBO | Lesser Sunda Islands | |
| EBULOBO | Stratovolcano | Historical | Lesser Sunda Islands |
| EBURRU | Synonym of EBURRU, OL DOINYO | Africa (eastern) | |
| EBURRU, OL DOINYO | Complex volcano | Holocene | Africa (eastern) |
| ECATZINGO CONES | Cinder cone of POPOCATEPETL | México | |
| ECCLES, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| ECHO CRATER BUTTE | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| ECKERSLEY, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| ECOMA, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| ECUADOR | Shield volcano | Surface Exposure | Galápagos Islands |
| EDD LAVA FIELD | Volcanic field of DUBBI | Africa (northeastern) & Red Sea | |
| EDD, VOLCANO OF | Synonym of DUBBI | Africa (northeastern) & Red Sea | |
| EDDYSTONE ISLAND | Synonym of SIMBO | Bougainville & Solomon Islands | |
| EDEN, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| EDGECUMBE | Stratovolcanoes | Radiocarbon | Alaska (eastern) |
| EDGECUMBE, MT. | Dome of OKATAINA | New Zealand | |
| EDZIZA | Stratovolcano | Radiocarbon | Canada |
| EEK | Synonym of VENIAMINOF | Alaska Peninsula | |
| EGAN | Cinder cone of BACHELOR | USA (Oregon) | |
| EGGELLA | Shield volcano | Holocene? | Kamchatka Peninsula |
| EGGOYA | Tuff cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| EGMONT | Synonym of TARANAKI [EGMONT] | New Zealand | |
| EGON | Stratovolcano | Historical | Lesser Sunda Islands |
| EGUAS | Cone of SETE CIDADES | Azores | |
| EHI | See proper name (e.g. SOSSO, EHI) | Chad term for MOUNTAIN | |
| EICKELBERG PEAK | Stratovolcano of FISHER | Aleutian Islands | |
| EIFEL VOLC FIELD | Synonym of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| EIGO-ZAN | Synonym of FUJI | Honshu | |
| EILER BUTTE | Cinder cone of TUMBLE BUTTES | USA (California) | |
| EIMNAKH | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| EININDRANGUR | Submarine vent of VESTMANNAEYJAR | Iceland (southern) | |
| EKARMA | Stratovolcano | Historical | Kuril Islands |
| EKARUMA | Synonym of EKARMA | Kuril Islands | |
| EKSTRUSIVNY GREBEN | Dome of BEZYMIANNY | Kamchatka Peninsula | |
| EKUNDO | Cone of CAMEROON | Africa (western) | |
| EL | See proper name (e.g. NUEVO, EL) | Spanish for THE | |
| ELAHO VALLEY | Vent of MEAGER | Canada | |
| ELBRUS | Stratovolcano | Tephrochronology | Caucasus, Georgia & Armenia |
| ELDBORG | Cone of LJOSUFJOLL | Iceland (western) | |
| ELDBORG A BRENNISTEINSFJOLLUM | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| ELDBORG NYRDRI AT LAMBAFELL | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| ELDBORG SYDRI AT LAMBAFELL | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| ELDBORG UNDIR MEITLUM | Crater Row of HENGILL | Iceland (southwestern) | |
| ELDBORG-DROTTNINGU | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| ELDBORG-THINGVALLAVATN | Crater Row of HENGILL | Iceland (southwestern) | |
| ELDBORG-TROLLADYNGJA | Crater Row of KRISUVIK | Iceland (southwestern) | |
| ELDBORGIR | Crater Row of HENGILL | Iceland (southwestern) | |
| ELDBORGIR-TINDASKAGA | Crater Row of HENGILL | Iceland (southwestern) | |
| ELDEY | Submarine vent of REYKJANES | Iceland (southwestern) | |
| ELDEYJAR | Submarine vent of REYKJANES | Iceland (southwestern) | |
| ELDEYJARBODI | Submarine vent of REYKJANES | Iceland (southwestern) | |
| ELDFELL | Fissure vent of VESTMANNAEYJAR | Iceland (southern) | |
| ELDGIGUR | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| ELDGJA | Fissure vent of KATLA | Iceland (southern) | |
| ELDIVIDARHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| ELDOERNE [ELDEYJAR] | Submarine vent of REYKJANES | Iceland (southwestern) | |
| ELDVORP | Crater Row of REYKJANES | Iceland (southwestern) | |
| ELECTRA, MT. | Synonym of PLEIADES, THE | Antarctica & South Sandwich Islands | |
| ELEGANTE, VOLCAN EL | Maar of PINACATE | México | |
| ELEITOGA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| ELELAU | Synonym of JALUA | Africa (northeastern) & Red Sea | |
| ELENA, CRATER | Crater of PINACATE | México | |
| ELENGOUM | Pleistocene caldera of MANENGOUBA | Africa (western) | |
| ELEPHANT, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| ELIANE CONE | Submarine vent of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| ELIZA, MT. | Dome of NEWER VOLCANICS PROV | Australia | |
| ELK BUTTE | Dome of YELLOWSTONE | USA (Wyoming) | |
| ELLIDAEY | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| ELLIOTT'S CRATER | Crater of YELLOWSTONE | USA (Wyoming) | |
| ELLIS CONE | Cone of TONEY MOUNTAIN | Antarctica & South Sandwich Islands | |
| ELLITTICO | Pleistocene caldera of ETNA | Italy | |
| ELMAU | Cone of CHYULU HILLS | Africa (eastern) | |
| ELMENTEITA BADLANDS | Pyroclastic cones | Holocene | Africa (eastern) |
| ELOI, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| ELOVSKY | Shield volcanoes | Tephrochronology | Kamchatka Peninsula |
| ELWYN HOT SPRINGS | Thermal Feature of EDZIZA | Canada | |
| EMAO [LOBOA] | Stratovolcano of NORTH VATE | Vanuatu | |
| EMBAJADA, CERRO DE LA | Cinder cone of NEJAPA-MIRAFLORES | Nicaragua | |
| EMBOCADERO, VOLCAN | Cinder cone of MASCOTA VOLCANIC FIELD | México | |
| EMBORIO | Thermal Feature of NISYROS | Greece | |
| EMI | See proper name (e.g. KOUSSI, EMI) | Chad term for MOUNTAIN | |
| EMMA, MT. | Cinder cone of UINKARET FIELD | USA (Arizona) | |
| EMMONS LAKE | Caldera | Holocene | Alaska Peninsula |
| EMMONS, MOUNT | Stratovolcano of EMMONS LAKE | Alaska Peninsula | |
| EMPAJADA, LA | Cinder cone of NEJAPA-MIRAFLORES | Nicaragua | |
| EMPEROR CONE | Cinder cone of MORNING, MT. | Antarctica & South Sandwich Islands | |
| EMPEROR OF CHINA | Submarine volcano? | Uncertain | Banda Sea |
| EMPOENG | Synonym of LOKON-EMPUNG | Sulawesi | |
| EMPONG [EMPUNG] | Crater of LOKON-EMPUNG | Sulawesi | |
| EMPUNG | Crater of LOKON-EMPUNG | Sulawesi | |
| EMSTRUHRUAN | Fissure vent of KATLA | Iceland (southern) | |
| EMURUANGOGOLAK | Shield volcano | Radiocarbon | Africa (eastern) |
| EMURUEPOLI | Cone of EMURUANGOGOLAK | Africa (eastern) | |
| ENAMBABA | Cone of EMURUANGOGOLAK | Africa (eastern) | |
| 'ENAZ, HALA-'L- | Cone of 'UWAYRID, HARRAT | Arabia | |
| ENCANTADA MAYOR, LA | Synonym of SAN LUIS, ISLA | México | |
| ENCANTADA, CALDERA | Cinder cone of FUERTEVENTURA | Canary Islands | |
| ENCANTADA, LAGUNA | Maar of SAN MARTIN | México | |
| ENCIERRO, CERRO | Vent of ZUNI-BANDERA | USA (New Mexico) | |
| ENCLOS VELAIN [VELAIN] | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| ENDEAVOUR RIDGE | Submarine volcano | Uranium-series | Pacific Ocean (northern) |
| ENDEH API | Synonym of IYA | Lesser Sunda Islands | |
| ENDUT, GUNUNG | Stratovolcano of PERBAKTI-GAGAK | Java | |
| ENFORCADO, PICO DO | Cone of SETE CIDADES | Azores | |
| ENGARE SUKUTA [SUGUTA-LOGKIPI] | Thermal Feature of BARRIER, THE | Africa (eastern) | |
| ENGELORETI, OL DOINYO | Cone of CHYULU HILLS | Africa (eastern) | |
| ENGLISH'S CRATER | Crater of SOUFRIERE HILLS | West Indies | |
| ENGORDA, VOLCAN LA | Stratovolcano of SAN JOSE | Central Chile & Argentina | |
| ENIWA | Stratovolcano of SHIKOTSU | Hokkaido | |
| ENKO-DAKE | Cone of NORIKURA | Honshu | |
| ENKORIKA | Fissure vent of SUSWA | Africa (eastern) | |
| ENOSTUCK MEADOW [EANASTICK MEADOW] | Vent of GARIBALDI | Canada | |
| ENSENADA EL VIEJO | Tuff ring of ZAPATERA | Nicaragua | |
| ENSENADA LOS CHIQUEROS | Lava cone of ZAPATERA | Nicaragua | |
| ENSENADAS DE PUNTA GORDA | Cone of ZAPATERA | Nicaragua | |
| ENTREMONTANAS, MONTANA | Cinder cone of HIERRO | Canary Islands | |
| ENVAL, MAAR D' | Maar of CHAINE DES PUYS | Western Europe | |
| EONOSTUCK MEADOW [EANASTICK MEADOW] | Vent of GARIBALDI | Canada | |
| EPI | Stratovolcanoes | Historical | Vanuatu |
| EPI A | Submarine vent of EPI | Vanuatu | |
| EPI B | Submarine vent of EPI | Vanuatu | |
| EPI C | Submarine vent of EPI | Vanuatu | |
| EPOMEO | Synonym of ISCHIA | Italy | |
| EPSOM AVENUE | Cone of AUCKLAND FIELD | New Zealand | |
| EPUN | Crater of CALLAQUI | Central Chile & Argentina | |
| ER-BAL HAF | Synonym of BAL HAF, HARRA OF | Arabia | |
| ERA KOHOR | Caldera of KOUSSI, EMI | Africa (northern) | |
| ERBENSCHELL | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| ERCIYAS DAGI | Synonym of ERCIYES DAGI | Turkey | |
| ERCIYES DAGI | Stratovolcano | Radiocarbon | Turkey |
| ERDJAS (ERDSCHIAS, ERDZHIAS) | Synonym of ERCIYES DAGI | Turkey | |
| EREBUS | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| EREBUS | Stratovolcano | Historical | Antarctica & South Sandwich Islands |
| ERH-LUNG-WAN [ERLONGWAN] | Maar of LONGGANG GROUP | China (eastern) | |
| ERITA, LA | Cinder cone of COLIMA | México | |
| ERLONGWAN | Maar of LONGGANG GROUP | China (eastern) | |
| ERMAK | Dome of GROZNY GROUP | Kuril Islands | |
| ERPINGDINGSHAN | Dome of TATUN GROUP | Taiwan | |
| ERRANT CONE | Cinder cone of MASAYA | Nicaragua | |
| ERTA ALE | Shield volcano | Historical | Africa (northeastern) & Red Sea |
| ERTA ALI (ERTAHALE, ERTO ALE) | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| ES SAFA | Volcanic field | Historical | Syria |
| ES-SAWAD, DJEBEL | Synonym of MARHA, JABAL EL- | Arabia | |
| ESA 'ALA | Synonym of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| ESAN | Synonym of E-SAN | Hokkaido | |
| ESCALANTE | Stratovolcano of SAIRECABUR | Northern Chile, Bolivia & Argentina | |
| ESCANABA SEGMENT | Submarine volcano | Uranium-series | Pacific Ocean (northern) |
| ESCANGRAGA, MONTANA DE | Cone of FUERTEVENTURA | Canary Islands | |
| ESCHELLE | Cinder cone of SOUFRIERE GUADELOUPE | West Indies | |
| ESCLAVOS, CERRITO LOS | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| ESCOBETA, CERRO | Cone of CHICHINAUTZIN | México | |
| ESCONDIDA, CERRO LAGUNA | Cone of CORDON DE PUNTAS NEGRAS | Northern Chile, Bolivia & Argentina | |
| ESCONDIDA, LAGUNA | Synonym of CONDOR, CERRO EL | Northern Chile, Bolivia & Argentina | |
| ESCORIAL, CERRO (ACHIN-NIUELLU) | Cone of HUANQUIHUE GROUP | Central Chile & Argentina | |
| ESCORIAL, CERRO | Stratovolcano | Holocene? | Northern Chile, Bolivia & Argentina |
| ESCORIAS, CRATER DE LAS | Crater of CALABOZOS | Central Chile & Argentina | |
| ESCURO, MONTE | Cone of AGUA DE PAU | Azores | |
| ESH-SHAMIT, DJEBEL | Cone of KHAYBAR, HARRAT | Arabia | |
| ESI, JABAL EL- | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| ESJUFJOLL | Stratovolcano | Uncertain | Iceland (southeastern) |
| ESKI ACIGOL | Maar of ACIGOL-NEVSEHIR | Turkey | |
| ESKIHLIDARFJOLL | Crater Row of HEKLA | Iceland (southern) | |
| ESKKRATERET | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| ESMERALDA BANK | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| ESPAGNOL, MORNE | Dome of DIABLOTINS, MORNE | West Indies | |
| ESPANA, CERRO | Dome of SANTA ISABEL | Colombia | |
| ESPARRAGO, EL | Cone of TENERIFE | Canary Islands | |
| ESPAZOTE, CERRO EL | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| ESPEJOS, LOMA DE LOS | Dome of MAULE, LAGUNA DEL | Central Chile & Argentina | |
| ESPERANCE, MT. | Cone of GALLEGO | Bougainville & Solomon Islands | |
| ESPINA | Dome of ARENAL | Costa Rica | |
| ESPINASSE, PUY D' | Cone of CHAINE DES PUYS | Western Europe | |
| ESPINO, CERRITO EL | Dome of ILOPANGO | El Salvador & Honduras | |
| ESPIRITU SANTO | Stratovolcano of MIRAVALLES | Costa Rica | |
| ESPIRITU SANTO | Stratovolcano of SAN JOSE | Central Chile & Argentina | |
| ESSA | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| ESSI, DJEBEL AL [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| ESSINGEN | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| ESSINO | Thermal Feature of KOS | Greece | |
| EST, ILE DE L' | Stratovolcano | Holocene? | Indian Ocean (southern) |
| ESTANCIA, CERRO LA | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| ESTANY, VOLCA L' | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| ESTELI | Fissure vents | Holocene? | Nicaragua |
| ESTIVADOUX, MAAR D' | Maar of CHAINE DES PUYS | Western Europe | |
| ESTRADA | Maar of MICHOACAN-GUANAJUATO | México | |
| ESTRECHO, MONTANA DEL | Cinder cone of TENERIFE | Canary Islands | |
| ESTRELLA, CERRO DE LA | Cone of CHICHINAUTZIN | México | |
| ET-TADAWIN | Tuff cone of HAYLAN, JABAL | Arabia | |
| ETHNEIN, HALA-'L- | Synonym of ITHNAYN, HARRAT | Arabia | |
| ETINDE | Stratovolcano of CAMEROON | Africa (western) | |
| ETNA | Stratovolcanoes | Historical | Italy |
| ETNEA | Synonym of ETNA | Italy | |
| ETOILE, PIC DE L' | Synonym of MERE LAVA | Vanuatu | |
| ETOROFU-ATOSA-DAKE | Synonym of ATSONUPURI | Kuril Islands | |
| ETOROFU-YAKE-YAMA [IVAN GROZNY] | Somma volcano of GROZNY GROUP | Kuril Islands | |
| EURH, JABAL EL | Cone of DHAMAR, HARRAS OF | Arabia | |
| EVANGELISTA, MT. | Cone of VULSINI | Italy | |
| EVANS KNOLL | Cone of HUDSON MOUNTAINS | Antarctica & South Sandwich Islands | |
| EVE | Cinder cone of EDZIZA | Canada | |
| EVE [GALLOSEULO] | Stratovolcano of HARGY | New Britain | |
| EVENSEN | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| EVERITT HILL | Shield volcano of SHASTA | USA (California) | |
| EVERMANN, CERRO | Stratovolcano of SOCORRO | México | |
| EVLIYA TEPE | Dome of ERCIYES DAGI | Turkey | |
| EWEN, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| EXILE HILL | Cone of SPECTRUM RANGE | Canada | |
| EXPEDITION CRATER | Crater of RAOUL ISLAND | Kermadec Islands | |
| EXPEDITSII | Dome of BEZYMIANNY | Kamchatka Peninsula | |
| EYAFJALLA | Synonym of EYJAFJALLAJOKULL | Iceland (southern) | |
| EYJAFJALLAJOKULL | Stratovolcano | Historical | Iceland (southern) |
| EYJAFJOLL | Synonym of EYJAFJALLAJOKULL | Iceland (southern) | |
| EYRA | Fissure vent of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| EZH [YEZH] | Dome of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| FA'AFAFINE SEAMOUNT | Synonym of VAILULU'U | Samoan & Wallis Islands | |
| FAAMOTU | Cone of NIUAFO'OU | Tonga Islands | |
| FA'ANI | Cone of SAVAI'I | Samoan & Wallis Islands | |
| FA'ASEMENE | Tuff cone of TA'U | Samoan & Wallis Islands | |
| FAETE, MONTE DELLA | Stratovolcano of ALBAN HILLS | Italy | |
| FAGALO | Cone of SAVAI'I | Samoan & Wallis Islands | |
| FAGAMAA | Tuff cone of TUTUILA | Samoan & Wallis Islands | |
| FAGATELE | Tuff cone of TUTUILA | Samoan & Wallis Islands | |
| FAGRADALSHRAUN | Shield volcano of KRISUVIK | Iceland (southwestern) | |
| FAGULULU | Synonym of IAMALELE | New Guinea & D'Entrecasteaux Islands | |
| FAIAL | Synonym of FAYAL | Azores | |
| FAINA | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| FAKO | Crater of CAMEROON | Africa (western) | |
| FALAISE, LA | Dome of PLAT PAYS, MORNE | West Indies | |
| FALCON ISLAND | Submarine volcano | Historical | Tonga Islands |
| FALEASAO | Tuff cone of TA'U | Samoan & Wallis Islands | |
| FALEN | Synonym of PARKER | Mindanao | |
| FALLING MOUNTAIN | Dome of TRIDENT | Alaska Peninsula | |
| FALLS CREEK [DRAGON CONE] | Cone of WELLS GRAY-CLEARWATER | Canada | |
| FALSO AZUFRE | Complex volcano | Holocene? | Northern Chile, Bolivia & Argentina |
| FANG | Stratovolcano of EREBUS | Antarctica & South Sandwich Islands | |
| FANTALE (FANTALI, FANTALLE) | Synonym of FENTALE | Africa (northeastern) & Red Sea | |
| FANTHAMS PEAK | Cone of TARANAKI [EGMONT] | New Zealand | |
| FANUA LAI | Synonym of FONUALEI | Tonga Islands | |
| FANUATAPU | Tuff ring of UPOLU | Samoan & Wallis Islands | |
| FARAGLIONE | Cone of VULCANO | Italy | |
| FARALLON A FORTUNA | Synonym of IOTO [IWO-JIMA] | Izu, Volcano, & Mariana Islands | |
| FARALLON DE PAJAROS | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| FARIS PEAK | Cone of WESTDAHL | Aleutian Islands | |
| FARM FLAT | Dome of LIAMUIGA | West Indies | |
| FARO, CERRO EL | Tuff cone of ISABEL, ISLA | México | |
| FARO, EL | Synonym of IZALCO | El Salvador & Honduras | |
| FAROL | Dome of TERCEIRA | Azores | |
| FASNIA, VOLCAN DE | Cinder cone of TENERIFE | Canary Islands | |
| FATHER, THE | Synonym of ULAWUN | New Britain | |
| FATOULEO-KAKOULO | Stratovolcano of NORTH VATE | Vanuatu | |
| FATUAGA POINT | Cone of OFU-OLOSEGA | Samoan & Wallis Islands | |
| FAUJAS, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| FAVARE | Thermal Feature of PANTELLERIA | Italy | |
| FAYAL | Stratovolcano | Historical | Azores |
| FEARN ISLAND | Synonym of HUNTER ISLAND | Pacific Ocean (southwestern) | |
| FEDON'S CAMP | Stratovolcano of ST. CATHERINE | West Indies | |
| FEDOTYCH | Shield volcano | Holocene? | Kamchatka Peninsula |
| FEFINA | Synonym of FALCON ISLAND | Tonga Islands | |
| FELL | Cinder cone of PALEI-AIKE VOLCANIC FIELD | Southern Chile & Argentina | |
| FELLSHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| FENI | Synonym of AMBITLE | New Ireland | |
| FENTALE | Stratovolcano | Historical | Africa (northeastern) & Red Sea |
| FENTE DU NORD, FUMEROLLE DE LA | Thermal Feature of SOUFRIERE GUADELOUPE | West Indies | |
| FERDINANDEA BANK [GUILA-FERDINANDEO] | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| FERLE | Cone of PANTELLERIA | Italy | |
| FERMIN, CERRO | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| FERN LAKE | Crater of YELLOWSTONE | USA (Wyoming) | |
| FERNAND | Stratovolcano of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| FERNANDEZ, VOLCANO DE | Synonym of SHISHALDIN | Aleutian Islands | |
| FERNANDINA | Shield volcano | Historical | Galápagos Islands |
| FERRARIAS | Cone of SETE CIDADES | Azores | |
| FERRO | Synonym of HIERRO | Canary Islands | |
| FERRO, PICO DO | Dome of FURNAS | Azores | |
| FEUERBERG | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| FIAMOE | Cone of UPOLU | Samoan & Wallis Islands | |
| FIFTYTWO RIDGE | Tuya of WELLS GRAY-CLEARWATER | Canada | |
| FILAKOPI | Pumice cone of MILOS | Greece | |
| FILETE CRESTA MONTOSA | Caldera of COSIGUINA | Nicaragua | |
| FILETE EL YANKEE | Cone of COSIGUINA | Nicaragua | |
| FILETE LA SALVIA | Cone of COSIGUINA | Nicaragua | |
| FILO DELLO ZOLFO | Vent of STROMBOLI | Italy | |
| FIMERICH | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| FINCA LIEBRES, VOLCAN | Stratovolcano of TURRIALBA | Costa Rica | |
| FINCH, MT. | Stratovolcano of FISHER | Aleutian Islands | |
| FINLEY BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| FIRE ISLAND | Dome of BOGOSLOF | Aleutian Islands | |
| FIRESTONE BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| FIRGAS, MONTANA DE | Cone of GRAN CANARIA | Canary Islands | |
| FIRST | Dome of UZON | Kamchatka Peninsula | |
| FIRST RED HILL | Cinder cone of MARION ISLAND | Indian Ocean (southern) | |
| FISCHBACH | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| FISHER | Stratovolcano | Historical | Aleutian Islands |
| FISSURE BUTTE | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| FISSURE CONE | Lava cone of AXIAL SEAMOUNT | Pacific Ocean (northern) | |
| FISSURE CRATER | Crater of LANGILA | New Britain | |
| FITEKO | Cone of KIEYO | Africa (eastern) | |
| FITO | Cinder cone of UPOLU | Samoan & Wallis Islands | |
| FIUCHA | Stratovolcano of ANTILLANCA GROUP | Central Chile & Argentina | |
| FIUMICELLO | Tuff ring of CAMPI FLEGREI | Italy | |
| FJARBORG | Fissure vent of KRAFLA | Iceland (northeastern) | |
| FJARHOLADYDYNGJA | Shield volcano of ASKJA | Iceland (northeastern) | |
| FLAGDAHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| FLAMINGO LAKE | Crater of CENTRAL ISLAND | Africa (eastern) | |
| FLATADYNGJA | Shield volcano of ASKJA | Iceland (northeastern) | |
| FLATIRON | Cone of WELLS GRAY-CLEARWATER | Canada | |
| FLEALLIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| FLERI | Cinder cone of ETNA | Italy | |
| FLJOTAHRAUN | Fissure vent of KATLA | Iceland (southern) | |
| FLJOTSODDAHRAUN | Crater Row of GRIMSVOTN | Iceland (northeastern) | |
| FLOR, CERRO DE LA | Dome of LAJAS, LAS | Nicaragua | |
| FLORENCIA | Crater of GALERAS | Colombia | |
| FLORES | Volcanic field | Holocene | Guatemala |
| FLORES | Stratovolcanoes | Radiocarbon | Azores |
| FLORES, CERRO LAS | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| FLORES, CERRO LAS | Cinder cone of NEGRO, CERRO | Nicaragua | |
| FLORES, LAS | Dome of ZITACUARO-VALLE DE BRAVO | México | |
| FLOTUDYNGJUHRAUN | Shield volcano of ASKJA | Iceland (northeastern) | |
| FLOURMILL | Cone of WELLS GRAY-CLEARWATER | Canada | |
| FOERSTNER | Submarine vent of PANTELLERIA | Italy | |
| FOGALEPULU | Cone of UPOLU | Samoan & Wallis Islands | |
| FOGAPOA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| FOGO | Synonym of AGUA DE PAU | Azores | |
| FOGO | Stratovolcano | Historical | Cape Verde Islands |
| FOGO, CABECO DO | Cone of FAYAL | Azores | |
| FOGO, LAGOA DO | Pleistocene caldera of AGUA DE PAU | Azores | |
| FOGRUFJOLL | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| FONCK | Cinder cone of TRONADOR | Southern Chile & Argentina | |
| FOND DOUX | Cone of QUALIBOU | West Indies | |
| FONDI DI BAIA | Tuff ring of CAMPI FLEGREI | Italy | |
| FONDO FERRARO | Dome of ISCHIA | Italy | |
| FONDO RICCIO | Cone of CAMPI FLEGREI | Italy | |
| FONTAIPE, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| FONTAN | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| FONTPOBRA, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| FONTUR | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| FONUA FO'OU | Synonym of FALCON ISLAND | Tonga Islands | |
| FONUAFOOA | Synonym of METIS SHOAL | Tonga Islands | |
| FONUALEI | Stratovolcano | Historical | Tonga Islands |
| FORECAST SEAMOUNT | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| FOREST HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| FORGIA VECCHIA | Vent of LIPARI | Italy | |
| FORGIA VECCHIA | Crater of VULCANO | Italy | |
| FORGOTTEN CONE | Cinder cone of CRATER LAKE | USA (Oregon) | |
| FORGOTTEN CRATER [WILLIAMS CRATER] | Crater of CRATER LAKE | USA (Oregon) | |
| FORKED BUTTE | Cinder cone of JEFFERSON | USA (Oregon) | |
| FORMICA LEO | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| FORNEAU | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| FORT DE KOCK | Synonym of MARAPI | Sumatra | |
| FORT PORTAL | Tuff cones | Radiocarbon | Africa (central) |
| FORT SELKIRK | Volcanic field | Holocene? | Canada |
| FORTUNA, CERRO | Dome of RINCON DE LA VIEJA | Costa Rica | |
| FOSSA | Crater of STROMBOLI | Italy | |
| FOSSA CARBONARA | Dome of PANTELLERIA | Italy | |
| FOSSA DEL RUSSO | Dome of PANTELLERIA | Italy | |
| FOSSA GRANDE | Thermal Feature of VULCANO | Italy | |
| FOSSA LUPARA | Crater of CAMPI FLEGREI | Italy | |
| FOSSA PAGANI | Cinder cone of ETNA | Italy | |
| FOSSA, CALDERA DELLA | Caldera of VULCANO | Italy | |
| FOSSA, LA | Tuff cone of VULCANO | Italy | |
| FOSSAMONACA | Vent of VESUVIUS | Italy | |
| FOSSETTA | Crater of STROMBOLI | Italy | |
| FOSTER CRATER | Cone of ROYAL SOCIETY RANGE | Antarctica & South Sandwich Islands | |
| FOUMBOT VOLC FIELD | Synonym of OKU VOLCANIC FIELD | Africa (western) | |
| FOUNTAIN VENT | Thermal Feature of CLEFT SEGMENT | Pacific Ocean (northern) | |
| FOUQUE | Dome of SANTORINI | Greece | |
| FOUR CRATERS LAVA FIELD | Volcanic field | Holocene? | USA (Oregon) |
| FOUR PEAKS, ISLAND OF THE | Synonym of FOURPEAKED | Alaska Peninsula | |
| FOUR-IN-ONE CONE | Cinder cone of NORTH SISTER FIELD | USA (Oregon) | |
| FOURCHE, PITON DE | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| FOURMILE HILL | Cone of MEDICINE LAKE | USA (California) | |
| FOURNAISE, PITON DE LA | Shield volcano | Historical | Indian Ocean (western) |
| FOURPEAKED | Stratovolcano | Historical | Alaska Peninsula |
| FOURTH TOP | Dome of SHIVELUCH | Kamchatka Peninsula | |
| FOUS, MORNE | Dome of PLAT PAYS, MORNE | West Indies | |
| FOX HILL CONE | Cinder cone of ST. PAUL ISLAND | Alaska (western) | |
| FRAGATAS, LAGUNAS | Maar of ISABEL, ISLA | México | |
| FRAILE, MONTAÑA | Cone of TENERIFE | Canary Islands | |
| FRAILE, PICO DEL | Dome of TOLUCA, NEVADO DE | México | |
| FRAILE, VOLCAN EL | Stratovolcano of POPOCATEPETL | México | |
| FRAILES, LOS [CERRO NOCARNE] | Dome of CHACHANI, NEVADO | Perú | |
| FRAILES, MONTANA DE LOS | Cinder cone of HIERRO | Canary Islands | |
| FRAISSE, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| FRANKLIN, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| FRASCATI | Crater of ALBAN HILLS | Italy | |
| FRAWLEY, CERRO | Cinder cone of NEJAPA-MIRAFLORES | Nicaragua | |
| FRAY CARLOS, CERRO | Stratovolcano of TINGUIRIRICA | Central Chile & Argentina | |
| FRAZER, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| FRED HUDSON CRATER | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| FRED'S HILL | Cone of MARION ISLAND | Indian Ocean (southern) | |
| FREEMAN PEAK | Synonym of YOUNG ISLAND | Antarctica & South Sandwich Islands | |
| FREMRINAMUR | Stratovolcano | Tephrochronology | Iceland (northeastern) |
| FRENCHMEN'S SOLFATARA | Thermal Feature of SURETAMATAI | Vanuatu | |
| FRESNO, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| FROSTY | Stratovolcanoes | Holocene | Alaska Peninsula |
| FRUMENTO DELLA CONCAZZE, MONTE | Cinder cone of ETNA | Italy | |
| FRUMENTO SUPINO, MONTE | Cinder cone of ETNA | Italy | |
| FRUMENTO, MONTE | Cinder cone of ETNA | Italy | |
| FRUTILLA, CERRO | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| FUALUA | Cone of SAVAI'I | Samoan & Wallis Islands | |
| FUBO-ZAN | Stratovolcano of ZAO | Honshu | |
| FUCHICH | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| FUDESHIMA | Stratovolcano of OSHIMA | Izu, Volcano, & Mariana Islands | |
| FUDO-IKE | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| FUE-SAN | Synonym of SARYCHEV PEAK | Kuril Islands | |
| FUEGO | Stratovolcano | Historical | Guatemala |
| FUEGO DE COLIMA | Synonym of COLIMA | México | |
| FUEGO DE TIMANFAYA, MONTANAS DEL [QUEMADA | Crater of LANZAROTE | Canary Islands | |
| FUEGO, MONTANAS DEL | Cone of LANZAROTE | Canary Islands | |
| FUEGO, VOLCAN DE | Synonym of COLIMA | México | |
| FUEGUINO | Lava domes | Historical | Southern Chile & Argentina |
| FUEGUINO, VOLCAN | Synonym of FUEGUINO | Southern Chile & Argentina | |
| FUENCALIENTE, CALDERA DE [CORAZONCILLO] | Crater of LANZAROTE | Canary Islands | |
| FUENCALIETNE [SAN ANTONIO] | Cinder cone of LA PALMA | Canary Islands | |
| FUERTEVENTURA | Fissure vents | Holocene | Canary Islands |
| FUGEN-DAKE | Stratovolcano of UNZEN | Ryukyu Islands & Kyushu | |
| FUGENDAKE-SANCHO | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| FUI, VOLCANES DE | Cinder cone of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| FUI'AVEA | Lava cone of SAVAI'I | Samoan & Wallis Islands | |
| FUJI | Stratovolcano | Historical | Honshu |
| FUJI-SAN | Synonym of FUJI | Honshu | |
| FUJI-SAN | Dome of TAKAHARA | Honshu | |
| FUJIGA-DAKE | Synonym of FUJI | Honshu | |
| FUJIMIKUBO | Tuff ring of IZU-TOBU | Honshu | |
| FUKENO-YU | Thermal Feature of HACHIMANTAI | Honshu | |
| FUKIAGE-ONSEN | Thermal Feature of ONIKOBE | Honshu | |
| FUKUE-JIMA | Shield volcanoes | Tephrochronology | Ryukyu Islands & Kyushu |
| FUKUJIN | Submarine volcano | Historical | Izu, Volcano, & Mariana Islands |
| FUKUJIN-KAIZAN | Synonym of FUKUJIN | Izu, Volcano, & Mariana Islands | |
| FUKUJIN-NAKANOBA | Synonym of MINAMI KASUGA | Izu, Volcano, & Mariana Islands | |
| FUKUJIN-OKANOBA | Synonym of FUKUJIN | Izu, Volcano, & Mariana Islands | |
| FUKUKAZEANA-YAMA | Synonym of FUJI | Honshu | |
| FUKUTOKU-OKANOBA | Submarine volcano | Historical | Izu, Volcano, & Mariana Islands |
| FUMAROLE | See proper name (e.g. GAMOULI, FUMAROLE FIELD OF) | ||
| FUMAROLE VALLEY | Thermal Feature of LONG VALLEY | USA (California) | |
| FUMAROLES, LAS | Thermal Feature of IRAZU | Costa Rica | |
| FUMAROLLES, MONT DES | Thermal Feature of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| FUMEROLLE | See proper name (e.g. LACROIX, FUMEROLLE) | French for FUMAROLE | |
| FUNABARA | Cinder cone of IZU-TOBU | Honshu | |
| FUNDA DA CALDIERA | Cone of FAYAL | Azores | |
| FUNDA DE LAJES, CALDEIRA | Tuff ring of FLORES | Azores | |
| FUNDA, LAGOA | Stratovolcano of FLORES | Azores | |
| FUNDERA | Crater of ISCHIA | Italy | |
| FUNKA-ASANE | Crater of KITA-IWO-JIMA | Izu, Volcano, & Mariana Islands | |
| FUPPUSHI | Stratovolcano of AKAN | Hokkaido | |
| FUPPUSHI-DAKE | Stratovolcano of SHIKOTSU | Hokkaido | |
| FUREBETSU | Stratovolcano of AKAN | Hokkaido | |
| FURIHATA-YAMA | Dome of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| FURNA | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| FURNAS | Stratovolcano | Historical | Azores |
| FURO-SEN | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| FURU-TAKE | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| FURUMIO | Maar of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| FUSS PEAK | Stratovolcano | Historical | Kuril Islands |
| FUTAGO-YAMA | Dome of HAKONE | Honshu | |
| FUTAGO-YAMA | Cone of FUJI | Honshu | |
| FUTAGO-YAMA | Dome of KUSATSU-SHIRANE | Honshu | |
| FUTAGO-YAMA | Cone of OSHIMA | Izu, Volcano, & Mariana Islands | |
| FUTAGOISHI | Stratovolcano of KIRISHIMA | Ryukyu Islands & Kyushu | |
| FUTAGOMINE | Cone of KITA YATSUGA-TAKE | Honshu | |
| FUTAMATA-YAMA | Stratovolcano of NASU | Honshu | |
| FUTATSU-DAKE | Dome of HARUNA | Honshu | |
| FUTATSU-DAKE | Pyroclastic Cone of AKAN | Hokkaido | |
| FUTATSU-ISHI | Stratovolcano of KIRISHIMA | Ryukyu Islands & Kyushu | |
| FUTATSU-YAMA | Cone of FUJI | Honshu | |
| FUTATSUZUKA | Cone of FUJI | Honshu | |
| FUTIGA | Cone of TUTUILA | Samoan & Wallis Islands | |
| FUYA FUYA | Stratovolcano of MOJANDA | Ecuador | |
| FUYOGA-MINE | Synonym of FUJI | Honshu | |
| FUZZTAIL BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| FYRIPLAKA | Tuff ring of MILOS | Greece | |
| GABELLOTTO-FIUME BIANCO | Stratovolcano of LIPARI | Italy | |
| GABII [CASTIGLIONE] | Crater of ALBAN HILLS | Italy | |
| GABILLEMA | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| GABLAYTU | Shield volcano of MANDA HARARO | Africa (northeastern) & Red Sea | |
| GABRIEL, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| GABRIELSE CONE | Cinder cone of TUYA VOLCANIC FIELD | Canada | |
| GABULI | Synonym of DALAFFILLA | Africa (northeastern) & Red Sea | |
| GADA ALE | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| GADAMSA CALDERA | Synonym of GEDAMSA | Africa (northeastern) & Red Sea | |
| GADANG, GUNUNG | Synonym of KERINCI | Sumatra | |
| GADIR, CUDDIA DEL | Shield volcano of PANTELLERIA | Italy | |
| GADJAH [GAJAH] | Crater of GUNTUR | Java | |
| GADJAHMOENGKOER [GAJAMUNKUR] | Dome of KELUT | Java | |
| GAESAFJALLARANI | Fissure vent of KRAFLA | Iceland (northeastern) | |
| GAFANHOTO | Cone of FURNAS | Azores | |
| GAFURANINDI | Cone of NYAMURAGIRA | Africa (central) | |
| GAGA SPA | Thermal Feature of ZAO | Honshu | |
| GAGAK, GUNUNG | Stratovolcano of PERBAKTI-GAGAK | Java | |
| GAGE HILL | Tuya of WELLS GRAY-CLEARWATER | Canada | |
| GAGES LOWER SOUFRIERE | Thermal Feature of SOUFRIERE HILLS | West Indies | |
| GAGE'S MOUNTAIN | Dome of SOUFRIERE HILLS | West Indies | |
| GAGES UPPER SOUFRIERE | Thermal Feature of SOUFRIERE HILLS | West Indies | |
| GAGUA | Synonym of CAGUA | Luzon | |
| GAGXANUL | Synonym of SANTA MARIA | Guatemala | |
| GAHI | Tuff cone of WALLIS ISLANDS | Samoan & Wallis Islands | |
| GAHINGA | Cone of MUHAVURA | Africa (central) | |
| GAIA [TAVURVUR] | Stratovolcano of RABAUL | New Britain | |
| GAIRIA, CALDERA DE | Cinder cone of FUERTEVENTURA | Canary Islands | |
| GAITAL, CERRO | Dome of VALLE, EL | Panamá | |
| GAJAH | Cone of SARIK-GAJAH | Sumatra | |
| GAJAH | Crater of GUNTUR | Java | |
| GAJAMUNGKUR | Dome of KELUT | Java | |
| GAJOLESTEN | Synonym of KEMBAR | Sumatra | |
| GAKARARANGA | Cone of NYAMURAGIRA | Africa (central) | |
| GAKUROKUJI | Dome of KUJU | Ryukyu Islands & Kyushu | |
| GALAN, MONTE | Caldera of MOMOTOMBO | Nicaragua | |
| GALAPAGO, CERRO [LAS MAJADAS] | Stratovolcano of SANTA MARIA | Guatemala | |
| GALAPAGOS RIFT | Submarine volcano | Historical | Pacific Ocean (eastern) |
| GALATEA | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| GALERA, LA | Synonym of GALERAS | Colombia | |
| GALERAS | Complex volcano | Historical | Colombia |
| GALION | Thermal Feature of PLAT PAYS, MORNE | West Indies | |
| GALLEGO | Volcanic field | Holocene? | Bougainville & Solomon Islands |
| GALLO | Vent of PANTELLERIA | Italy | |
| GALLO CANTANO | Dome of ATACAZO | Ecuador | |
| GALLO, CERRO | Dome of RINCON DE LA VIEJA | Costa Rica | |
| GALLO, CERRO EL | Dome of AZUFRES, LOS | México | |
| GALLO, CUDDIA DEL | Dome of PANTELLERIA | Italy | |
| GALLOP | Synonym of CENTRAL ISLAND | Africa (eastern) | |
| GALLOSEULO | Stratovolcano of HARGY | New Britain | |
| GALLOWAY, MT. | Cone of ANTIPODES ISLAND | Pacific Ocean (southern) | |
| GALOENGGOENG | Synonym of GALUNGGUNG | Java | |
| GALUNGGUNG | Stratovolcano | Historical | Java |
| GALWAY'S MOUNTAIN | Dome of SOUFRIERE HILLS | West Indies | |
| GALWAY'S SOUFRIERE | Thermal Feature of SOUFRIERE HILLS | West Indies | |
| GAM ITJI, LAKE | Maar of IBU | Halmahera | |
| GAMALAMA | Stratovolcanoes | Historical | Halmahera |
| GAMBIER, MT. | Maar of NEWER VOLCANICS PROV | Australia | |
| GAMBOULI, FUMAROLE FIELD OF | Synonym of BOINA | Africa (northeastern) & Red Sea | |
| GAMCHEN | Complex volcano | Tephrochronology | Kamchatka Peninsula |
| GAMCHENSKY | Synonym of GAMCHEN | Kamchatka Peninsula | |
| GAMKANORA | Synonym of GAMKONORA | Halmahera | |
| GAMKONORA | Stratovolcano | Historical | Halmahera |
| GAMKUNORA | Synonym of GAMKONORA | Halmahera | |
| GAMMA HOT SPRINGS | Thermal Feature of GLACIER PEAK | USA (Washington) | |
| GAMMACANORE | Synonym of GAMKONORA | Halmahera | |
| GAMMAKUNOWA | Synonym of GAMKONORA | Halmahera | |
| GAMPING | Crater of LAWU | Java | |
| GAMTSCHEN | Synonym of GAMCHEN | Kamchatka Peninsula | |
| GAN-ANA | Vent of FUJI | Honshu | |
| GANANIAS, MONTAÑA | Cone of TENERIFE | Canary Islands | |
| GANAYA | Cone of NYIRAGONGO | Africa (central) | |
| GANDAPURA | Stratovolcano of KAMOJANG, KAWAH | Java | |
| GANDO-SAN | Stratovolcano of ZAO | Honshu | |
| GANJU-SAN (GANZYU-SAN) | Synonym of IWATE | Honshu | |
| GAOLULE | Synonym of DALAFFILLA | Africa (northeastern) & Red Sea | |
| GAOSHAN | Cinder cone of ARSHAN | China (eastern) | |
| GAOSHANLING | Pyroclastic Cone of HAINAN DAO | Southeast Asia | |
| GAOZHI | Cone of TENGCHONG | Southeast Asia | |
| GAR-ULI | Synonym of MA ALALTA | Africa (northeastern) & Red Sea | |
| GARACHICO, VOLCAN DE | Cinder cone of TENERIFE | Canary Islands | |
| GARAFIA | Shield volcano of LA PALMA | Canary Islands | |
| GARAN-DAKE | Dome of TSURUMI | Ryukyu Islands & Kyushu | |
| GARAT, MT. | Cone of GAUA | Vanuatu | |
| GARBES | Fumarole field | Pleistocene-Fumarolic | Africa (northeastern) & Red Sea |
| GARBUNA GROUP | Stratovolcanoes | Historical | New Britain |
| GARCA, PUIG DE LA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| GARDA, MONTANA | Cone of TENERIFE | Canary Islands | |
| GARDNERS ISLAND | Synonym of FONUALEI | Tonga Islands | |
| GARELOI | Stratovolcano | Historical | Aleutian Islands |
| GARET CHALFALLA | Cone of HARUJ | Africa (northern) | |
| GARET EL GRAABIA | Cone of HARUJ | Africa (northern) | |
| GARET, MT. [MT. GARAT] | Cone of GAUA | Vanuatu | |
| GARIBALDI | Stratovolcano | Radiocarbon | Canada |
| GARIBALDI HILL | Stratovolcano of SOUFRIERE HILLS | West Indies | |
| GARIBALDI LAKE | Volcanic field | Holocene | Canada |
| GARIBOLDI | Synonym of KONE | Africa (northeastern) & Red Sea | |
| GARIBOLDI CALDERA | Caldera of KONE | Africa (northeastern) & Red Sea | |
| GARNOT ISLAND | Synonym of BLUP BLUP | Northeast of New Guinea | |
| GAROK SPRING | Thermal Feature of APO | Mindanao | |
| GAROU, MORNE | Synonym of SOUFRIERE ST. VINCENT | West Indies | |
| GAROVE | Stratovolcano | Holocene | New Britain |
| GARRINADA, VOLCA LA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| GARROTXA VOLC FIELD | Synonym of OLOT VOLCANIC FIELD | Western Europe | |
| GARU, MORNE | Synonym of SOUFRIERE ST. VINCENT | West Indies | |
| GARUA HARBOUR | Volcanic field | Holocene? | New Britain |
| GAS ROCKS, THE | Dome of UKINREK MAARS | Alaska Peninsula | |
| GASENYI | Cone of NYAMURAGIRA | Africa (central) | |
| GASHOVU | Cone of NYAMURAGIRA | Africa (central) | |
| GASPAR, PICO DO | Dome of FURNAS | Azores | |
| GAUA | Stratovolcano | Historical | Vanuatu |
| GAUDAL, VOLCAN | Stratovolcano of SAN PEDRO-PELLADO | Central Chile & Argentina | |
| GAURO | Tuff cone of CAMPI FLEGREI | Italy | |
| GAVRILOVA | Stratovolcano of VYSOKY | Kamchatka Peninsula | |
| GAYOLESTEN | Synonym of KEMBAR | Sumatra | |
| GEBEL | See proper name (e.g. TEER, GEBEL) | Italian spelling of Arabic term for MT. | |
| GEBOEG, GUNUNG [GUNUNG GEBUG] | Cone of ARJUNO-WELIRANG | Java | |
| GEBUG, GUNUNG | Cone of ARJUNO-WELIRANG | Java | |
| GEDAMSA | Caldera | Holocene | Africa (northeastern) & Red Sea |
| GEDE | Stratovolcano | Historical | Java |
| GEDEH | Synonym of GEDE | Java | |
| GEDEMSA CALDERA | Synonym of GEDAMSA | Africa (northeastern) & Red Sea | |
| GEDROITS, MOUNT | Dome of SMIRNOV | Kuril Islands | |
| GEGAMSK UPLAND | Synonym of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| GEGER HALANG | Pleistocene caldera of CEREME | Java | |
| GEIRFUGLADRANGUR | Submarine vent of REYKJANES | Iceland (southwestern) | |
| GEIRFUGLASKER | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| GEISERS | See proper name (e.g. COPACOYA, GEISERS DE) | Spanish for GEYSER | |
| GEITLANDSHRAUN | Fissure vent of PRESTAHNUKUR | Iceland (southwestern) | |
| GEIZERNAYA | Dome of UZON | Kamchatka Peninsula | |
| GELAMAN, GUNUNG | Cone of IJEN | Java | |
| GELFISER, MONTE | Cone of PANTELLERIA | Italy | |
| GELI MUTU (GELI MOETOE) | Synonym of KELIMUTU | Lesser Sunda Islands | |
| GELIMOEN [GELIMUN] | Crater of LEROBOLENG | Lesser Sunda Islands | |
| GELIMUN | Crater of LEROBOLENG | Lesser Sunda Islands | |
| GELKHAMAR, MONTE | Cone of PANTELLERIA | Italy | |
| GELLIBRAND, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| GELSO | Thermal Feature of VULCANO | Italy | |
| GEMBONG, GUNUNG | Maar of MURIA | Java | |
| GEMELKERET | Crater of SURETAMATAI | Vanuatu | |
| GEMELLARO, MONTE | Cinder cone of ETNA | Italy | |
| GEMOLONG | Crater of LAWU | Java | |
| GEMUNDENER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| GEMURAH BADAS | Thermal Feature of BESAR | Sumatra | |
| GEMURAH BUBUR | Thermal Feature of BESAR | Sumatra | |
| GEMURAH ILAHAN | Thermal Feature of BESAR | Sumatra | |
| GEMURAH KENININGAN | Thermal Feature of BESAR | Sumatra | |
| GENDAL, KAWAH | Thermal Feature of MERAPI | Java | |
| GENDINGWALUH, GUNUNG | Cone of IJEN | Java | |
| GENDOL, KAWAH | Thermal Feature of MERBABU | Java | |
| GENG-ZI-PING | Thermal Feature of TATUN GROUP | Taiwan | |
| GENGI, VOLCA | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| GENI, GUNUNG | Cone of LAMONGAN | Java | |
| GENOVESA | Shield volcano | Holocene | Galápagos Islands |
| GENTA-ANA | Crater of USU | Hokkaido | |
| GENTENG, GUNUNG | Cone of IJEN | Java | |
| GENUK | Dome of MURIA | Java | |
| GEODESISTOY | Shield volcano | Holocene? | Kamchatka Peninsula |
| GEORGIOS | Dome of SANTORINI | Greece | |
| GERALDINO | Synonym of PINTA | Galápagos Islands | |
| GERENTE, LE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GERMAV TEPE | Dome of NEMRUT DAGI | Turkey | |
| GEROKGAK HOT SPRING | Thermal Feature of BRATAN | Lesser Sunda Islands | |
| GERVASI, MONTE | Cinder cone of ETNA | Italy | |
| GESI | Crater of LAWU | Java | |
| GESTSSTADAVATN | Maar of KRISUVIK | Iceland (southwestern) | |
| GETANG | Crater of KOROSI | Africa (eastern) | |
| GETLANDSHRAUN [GEITLANDSHRAUN] | Fissure vent of PRESTAHNUKUR | Iceland (southwestern) | |
| GEULIS | Crater of GUNTUR | Java | |
| GEUREUDONG | Stratovolcano | Pleistocene-Fumarolic | Sumatra |
| GEYSER BIGHT | Thermal Feature of RECHESCHNOI | Aleutian Islands | |
| GEYSER VALLEY | Thermal Feature of MAROA | New Zealand | |
| GEYSERNAYA | Pleistocene caldera of UZON | Kamchatka Peninsula | |
| GEYSERS | See proper name (e.g. IXTLAN, GEYSERS DE) | ||
| GEYSERS, THE | Thermal Feature of CLEAR LAKE | USA (California) | |
| GEYSERS, VALLEY OF | Thermal Feature of UZON | Kamchatka Peninsula | |
| GEYSIR | Thermal Feature of HVERAVELLIR | Iceland (southwestern) | |
| GEYSIR | Stratovolcano | Pleistocene-Geysers | Iceland (southwestern) |
| GEYZERNAYA [GEYSERNAYA] | Pleistocene caldera of UZON | Kamchatka Peninsula | |
| GHAIE [TAVURVUR] | Stratovolcano of RABAUL | New Britain | |
| GHARAT, MT. [MT. GARAT] | Cone of GAUA | Vanuatu | |
| GHEGAM RIDGE | Volcanic field | Anthropology | Caucasus, Georgia & Armenia |
| GHEGHASSAR | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| GHENTOLUG | Stratovolcano of SURETAMATAI | Vanuatu | |
| GHERAKI | Tuff ring of MILOS | Greece | |
| GHOST | Crater of WALLIS ISLANDS | Samoan & Wallis Islands | |
| GIANO | Dome of TULLU MOJE | Africa (northeastern) & Red Sea | |
| GIANT CRATER | Crater of MEDICINE LAKE | USA (California) | |
| GIANTI | Stratovolcano of SUMBING | Java | |
| GIARDINA, MONTE | Dome of LIPARI | Italy | |
| GIBBON HILL | Dome of YELLOWSTONE | USA (Wyoming) | |
| GIBELE, MONTE | Thermal Feature of PANTELLERIA | Italy | |
| GIBILLE, MONTI | Dome of PANTELLERIA | Italy | |
| GIBRUS | Crater of WHITE ISLAND | New Zealand | |
| GIFFORD PEAK | Shield volcano of INDIAN HEAVEN | USA (Washington) | |
| GIGANTE, CERRO | Cinder cone of MOYUTA | Guatemala | |
| GIGGENBACH | Submarine volcano | Fumarolic | Kermadec Islands |
| GIGIR AT STORKONUGJA | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| GIGOLDUGJOSKA | Crater Row of ASKJA | Iceland (northeastern) | |
| GIGUAN | Synonym of SEGUAM | Aleutian Islands | |
| GIL | Synonym of SANTIAGO | Galápagos Islands | |
| GILBERT DOME | Dome of LONG VALLEY | USA (California) | |
| GILBOA HILL | Stratovolcano of QUILL, THE | West Indies | |
| GILLETT NUNATAKS | Cone of TONEY MOUNTAIN | Antarctica & South Sandwich Islands | |
| GILLIVER | Former crater of WHITE ISLAND | New Zealand | |
| GILOLO | Synonym of JAILOLO | Halmahera | |
| GIMBALA, JEBEL | Synonym of MARRA, JEBEL | Africa (northern) | |
| GIMIE, MT. | Stratovolcano of QUALIBOU | West Indies | |
| GIN-NUMA | Crater of USU | Hokkaido | |
| GINNA ALE | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| GINSILIBAN, MT. | Stratovolcano of CAMIGUIN | Mindanao | |
| GIPPS ISLAND | Synonym of NARAGE | New Britain | |
| GIRA-LE-KOMA | Cone of ARDOUKOBA | Africa (northeastern) & Red Sea | |
| GIRDLESTONE | Crater of RUAPEHU | New Zealand | |
| GIREKOL TEPE | Shield volcano | Holocene | Turkey |
| GIRUNGO-NAMLAGIRA | Synonym of NYAMURAGIRA | Africa (central) | |
| GISBORNE, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| GISI | Cone of NYIRAGONGO | Africa (central) | |
| GITEBE | Cone of NYAMURAGIRA | Africa (central) | |
| GITURO | Cone of NYAMURAGIRA | Africa (central) | |
| GIULIA-FERDINANDEO | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| GIUMOUSH | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| GIUTURNA | Crater of ALBAN HILLS | Italy | |
| GIWU PEAK | Cone of LOLOBAU | New Britain | |
| GJABAKKAHRAUN | Shield volcano of HENGILL | Iceland (southwestern) | |
| GJALP | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| GJASTYKKISBUNGA | Shield volcano of KRAFLA | Iceland (northeastern) | |
| GLAA, EL | Cone of HARUJ | Africa (northern) | |
| GLACE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GLACIER | Dome of EDZIZA | Canada | |
| GLACIER PEAK | Stratovolcano | Tephrochronology | USA (Washington) |
| GLACIER PIKES | Dome of GARIBALDI | Canada | |
| GLADKY | Dome of BEZYMIANNY | Kamchatka Peninsula | |
| GLANVILLIA HOT SPRINGS | Thermal Feature of DIABLOTINS, MORNE | West Indies | |
| GLASS CREEK | Dome of INYO CRATERS | USA (California) | |
| GLASS MOUNTAIN | Dome of MEDICINE LAKE | USA (California) | |
| GLASS MOUNTAIN | Dome of LONG VALLEY | USA (California) | |
| GLAVNY | Cinder cone of KOSTAKAN | Kamchatka Peninsula | |
| GLENBERVIE [MARUATA] | Cone of WHANGAREI | New Zealand | |
| GLI MOETOE | Synonym of KELIMUTU | Lesser Sunda Islands | |
| GLINDO | Vent of PANTELLERIA | Italy | |
| GLORIA, CERRO LA | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| GLORIA, CERRO LA | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| GLORIA, LA | Volcanic field | Holocene | México |
| GOAN | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| GOAT BUTTE | Cinder cone of ADAMS | USA (Washington) | |
| GOAT ROCKS | Former dome of ST. HELENS | USA (Washington) | |
| GOAT'S PEAK | Dome of JEFFERSON | USA (Oregon) | |
| GOD, MOUNTAIN OF | Synonym of LENGAI, OL DOINYO | Africa (eastern) | |
| GODAGI | Cone of MANAM | Northeast of New Guinea | |
| GOEHA SONGGADIKIT | Crater of BATUR | Lesser Sunda Islands | |
| GOENTOER | Synonym of GUNTUR | Java | |
| GOF | See proper name (e.g. DAKARA, GOF) | Kenyan term for HILL | |
| GOF DUKANA | Maar of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| GOG | Synonym of GAUA | Vanuatu | |
| GOGDAG | Dome of ERCIYES DAGI | Turkey | |
| GOGODOM, GUNUNG | Crater of DUKONO | Halmahera | |
| GOK DAG | Dome of ERCIYES DAGI | Turkey | |
| GOLAN | Cone of MEGA BASALT FIELD | Africa (northeastern) & Red Sea | |
| GOLAN HEIGHTS | Volcanic field | Holocene | Syria |
| GOLAYA | Stratovolcano | Holocene | Kamchatka Peninsula |
| GOLDEN GATE | Tuff cone of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| GOLDEN TROUT CREEK | Volcanic field | Tephrochronology | USA (California) |
| GOLETS-TORNYI GROUP | Pyroclastic cones | Holocene? | Kuril Islands |
| GOLFO, EL | Shield volcano of HIERRO | Canary Islands | |
| GOLGAT | Cone of ARAGATS | Caucasus, Georgia & Armenia | |
| GOLGOL | Pyroclastic Cone of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| GOLLU DAG | Lava dome | Holocene? | Turkey |
| GOLOVNIN | Caldera | Historical | Kuril Islands |
| GOLTEPE | Cone of NEMRUT DAGI | Turkey | |
| GOLUBOE OZERO HOT SPRING | Thermal Feature of BARANSKY | Kuril Islands | |
| GOLYGINA (GOLYGINSKI) | Synonym of KHODUTKA | Kamchatka Peninsula | |
| GOLYI | Shield volcano of VISOKIY | Kamchatka Peninsula | |
| GOMA, MONT | Cone of NYIRAGONGO | Africa (central) | |
| GOMA, MONTE | Cinder cone of ETNA | Italy | |
| GOMON-ISHI | Dome of TOWADA | Honshu | |
| GOMULION [KOMOLION] | Vent of KOROSI | Africa (eastern) | |
| GOMWA BAY-SALAMO AREA | Thermal Feature of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| GONDANG | Dome of TENGGER CALDERA | Java | |
| GONGEN-IKE | Crater of NORIKURA | Honshu | |
| GONGEN-YAMA | Dome of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| GONGORA | Cone of OROSI | Costa Rica | |
| GONGORA, CERRO | Dome of RINCON DE LA VIEJA | Costa Rica | |
| GONNARD, PUY | Cone of CHAINE DES PUYS | Western Europe | |
| GONO-IKE | Crater of ON-TAKE | Honshu | |
| GONO-IKE | Crater of NORIKURA | Honshu | |
| GONZALES, ISLOTA | Tuff cone of SAN FELIX | Pacific Ocean (Chilean Islands) | |
| GOOD HOPE ISLAND | Synonym of NIUAFO'OU | Tonga Islands | |
| GOODENOUGH | Volcanic field | Holocene | New Guinea & D'Entrecasteaux Islands |
| GOODHOPE BAY | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| GORA CHETIEREK GLAVAIA | Synonym of FOURPEAKED | Alaska Peninsula | |
| GORA EDGKOM | Synonym of EDGECUMBE | Alaska (eastern) | |
| GORDA | Cone of MADERAS | Nicaragua | |
| GORDO DE JUTIAPA, CERRO | Cinder cone of FLORES | Guatemala | |
| GORDO, CERRITO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| GORDO, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| GORDO, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| GORDO, CERRO | Dome of TOLUCA, NEVADO DE | México | |
| GORDO, CERRO | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| GORDO, CERRO | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| GORDO, CERRO | Dome of CUMBRES, LAS | México | |
| GORDO, CERRO | Cinder cone of MOYUTA | Guatemala | |
| GORDO, VOLCAN | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| GORDON | Cinder cones | Holocene? | Alaska (eastern) |
| GORDON'S HILL | Cone of MARION ISLAND | Indian Ocean (southern) | |
| GORDON'S HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| GORELAIA SOPKA | Synonym of GORELY | Kamchatka Peninsula | |
| GORELAIA SOPKA | Synonym of AVACHINSKY | Kamchatka Peninsula | |
| GORELI | Synonym of SEGUAM | Aleutian Islands | |
| GORELOI | Synonym of REDOUBT | Alaska (southwestern) | |
| GORELY | Cinder cone of KOSHELEV | Kamchatka Peninsula | |
| GORELY | Caldera | Historical | Kamchatka Peninsula |
| GORELY KHREBET (GORELY KUREBET) | Synonym of GORELY | Kamchatka Peninsula | |
| GORGE FARM | Dome of OLKARIA | Africa (eastern) | |
| GORIACHY PLIAZH | Thermal Feature of MENDELEEV | Kuril Islands | |
| GORIASCHAIA SOPKA | Stratovolcano | Historical | Kuril Islands |
| GORIASCHI DOL | Synonym of UZON | Kamchatka Peninsula | |
| GORNA, MONTE | Cinder cone of ETNA | Italy | |
| GORNOE PLATEAU | Dome of UZON | Kamchatka Peninsula | |
| GORNOGO INSTITUTA | Synonym of GORNY INSTITUTE | Kamchatka Peninsula | |
| GORNY INSTITUTE | Stratovolcano | Radiocarbon | Kamchatka Peninsula |
| GORNYI INSTITUTE | Synonym of GORNY INSTITUTE | Kamchatka Peninsula | |
| GOROPU | Synonym of WAIOWA | New Guinea & D'Entrecasteaux Islands | |
| GORRA | Cone of JOLO | Sulu Islands | |
| GORSHKOV | Cone of USHKOVSKY | Kamchatka Peninsula | |
| GORSHOK | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| GORU | Crater of MUNDUA | New Britain | |
| GORUPU | Synonym of WAIOWA | New Guinea & D'Entrecasteaux Islands | |
| GORYACHY | Dome of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| GORYASHCHAYA SOPKA | Synonym of GORIASCHAIA SOPKA | Kuril Islands | |
| GORYASHCHIY DOL | Synonym of UZON | Kamchatka Peninsula | |
| GOSEI-DAKE | Synonym of ZAO | Honshu | |
| GOSHIKI-DAKE | Tuff cone of ZAO | Honshu | |
| GOSHIKI-NUMA | Crater of AZUMA | Honshu | |
| GOSHIKI-NUMA [OKAMA] | Crater of ZAO | Honshu | |
| GOSHIKIIWA | Stratovolcano of TOWADA | Honshu | |
| GOSHOGAKE | Thermal Feature of AKITA-YAKE-YAMA | Honshu | |
| GOSIKI-DAKE [GOSHIKI-DAKE] | Tuff cone of ZAO | Honshu | |
| GOSIKI-NUMA [GOSHIKI-NUMA] | Crater of AZUMA | Honshu | |
| GOSLING CONE | Cone of IMURUK LAKE | Alaska (western) | |
| GOSYOGAKE [GOSHOGAKE] | Thermal Feature of AKITA-YAKE-YAMA | Honshu | |
| GOT OJAWA | Cone of HOMA MOUNTAIN | Africa (eastern) | |
| GOT OLOO | Cone of HOMA MOUNTAIN | Africa (eastern) | |
| GOTTERBERG | Synonym of CAMEROON | Africa (western) | |
| GOUDBERG | Synonym of SEULAWAH AGAM | Sumatra | |
| GOUFFRE DUPUIS | Crater of SOUFRIERE GUADELOUPE | West Indies | |
| GOUFFRE TARISSAN | Crater of SOUFRIERE GUADELOUPE | West Indies | |
| GOULES, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| GOULIE, PUY DE LA | Cone of CHAINE DES PUYS | Western Europe | |
| GOULVAIN [DOBU] | Stratovolcano of DAWSON STRAIT GROUP | New Guinea & D'Entrecasteaux Islands | |
| GOUTANSAR | Dome of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| GOUTTES, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| GOVERNMENT GARDENS | Thermal Feature of ROTORUA | New Zealand | |
| GOZYACHAYA SOPKA | Dome of BARKHATNAYA SOPKA | Kamchatka Peninsula | |
| GRAAKULA | Cone of LJOSUFJOLL | Iceland (western) | |
| GRACIOSA | Stratovolcano | Holocene | Azores |
| GRAENAVATN | Maar of KRISUVIK | Iceland (southwestern) | |
| GRAF GOTZEN KRATER | Synonym of NYIRAGONGO | Africa (central) | |
| GRAFELDUR | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| GRAFELLSHRAUN | Crater Row of HEKLA | Iceland (southern) | |
| GRAHAHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| GRAHAM BANK [GUILA-FERDINANDEO] | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| GRAHAM ISLAND [GIULIA-FERDINANDEO] | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| GRAHAM, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| GRAKOLLUHRAUN | Fissure vent of TORFAJOKULL | Iceland (southern) | |
| GRAMELUR | Crater Row of HENGILL | Iceland (southwestern) | |
| GRAN CANARIA | Fissure vents | Radiocarbon | Canary Islands |
| GRAN CONO | Stratovolcano of VESUVIUS | Italy | |
| GRAN CRATERE | Crater of VULCANO | Italy | |
| GRANADA | Fissure vents | Holocene | Nicaragua |
| GRANADITO | Cinder cone of GRANADA | Nicaragua | |
| GRANBY, MOUNT | Stratovolcano of ST. CATHERINE | West Indies | |
| GRAND BOTOUM | Cone of TOUSSIDE, TARSO | Africa (northern) | |
| GRAND DADOI | Cone of TOUSSIDE, TARSO | Africa (northern) | |
| GRAND ETANG | Crater of ST. CATHERINE | West Indies | |
| GRAND PAYS BRULE | Synonym of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GRAND SARCOUI | Dome of CHAINE DES PUYS | Western Europe | |
| GRAND SOUFRIERE [VALLEY OF DESOLATION] | Thermal Feature of WATT, MORNE | West Indies | |
| GRAND SUCHET, LE | Cone of CHAINE DES PUYS | Western Europe | |
| GRANDE DE GUIMAR, MONTANA | Cone of TENERIFE | Canary Islands | |
| GRANDE DECOUVERTE, LA | Stratovolcano of SOUFRIERE GUADELOUPE | West Indies | |
| GRANDE LA PIEDAD, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| GRANDE MARMITE | Crater of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| GRANDE SOUFRIERE HILLS | Stratovolcano of WATT, MORNE | West Indies | |
| GRANDE, CERRO | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| GRANDE, CERRO | Shield volcano of MICHOACAN-GUANAJUATO | México | |
| GRANDE, CERRO | Dome of PACAYA | Guatemala | |
| GRANDE, CERRO | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| GRANDE, CERRO | Dome of APASTEPEQUE FIELD | El Salvador & Honduras | |
| GRANDE, CERRO | Cone of PILAS, LAS | Nicaragua | |
| GRANDE, CERRO | Tuff cone of ECUADOR | Galápagos Islands | |
| GRANDE, PICO | Cone of PICOS VOLCANIC SYSTEM | Azores | |
| GRANDE, PICO | Synonym of FOGO | Cape Verde Islands | |
| GRANDE, VOLCAN | Stratovolcano of MICHOACAN-GUANAJUATO | México | |
| GRANDE, VOLCAN | Synonym of NEGRA, SIERRA | Galápagos Islands | |
| GRANDES PENTES | Synonym of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GRANDS BOIS, PITON DES | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GRANGE KOP, LA | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| GRANTS MALPAIS | Synonym of ZUNI-BANDERA | USA (New Mexico) | |
| GRASLEYSUFJOLL | Crater Row of HEKLA | Iceland (southern) | |
| GRASSY | Cinder cone of CRATERS OF THE MOON | USA (Idaho) | |
| GRATI | Maar of TENGGER CALDERA | Java | |
| GRAY | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| GRAY BUTTE | Dome of SHASTA | USA (California) | |
| GRAZINAS, PICO | Dome of TRINDADE | Atlantic Ocean (central) | |
| GREAT CRACK | Fissure vent of KILAUEA | Hawaiian Islands | |
| GREAT CRATER | Maar of QAL'EH HASAN ALI | Iran & Afghanistan | |
| GREAT DOMBERG HILL | Cone of MERU | Africa (eastern) | |
| GREAT HANISH ISLAND | Shield volcano of HANISH | Africa (northeastern) & Red Sea | |
| GREAT HILL | Dome of SABA | West Indies | |
| GREAT RIFT ZONE | Fissure vent of CRATERS OF THE MOON | USA (Idaho) | |
| GREAT SITCHIN | Synonym of GREAT SITKIN | Aleutian Islands | |
| GREAT SITKIN | Stratovolcano | Historical | Aleutian Islands |
| GREBEN' | Dome of UZON | Kamchatka Peninsula | |
| GRECHISHKINA | Shield volcano of SNEZHNIY | Kamchatka Peninsula | |
| GREEN BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| GREEN HILL | Cone of AUCKLAND FIELD | New Zealand | |
| GREEN ISLAND | Dome of ST. CATHERINE | West Indies | |
| GREEN LAKE PLUG | Dome of OKATAINA | New Zealand | |
| GREEN LAKE PUMICE CRATER | Crater of RAOUL ISLAND | Kermadec Islands | |
| GREENOCK, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| GRENSDALUR | Stratovolcano | Pleistocene-Fumarolic | Iceland (southwestern) |
| GREWINGK [CASTLE ROCK] | Former dome of BOGOSLOF | Aleutian Islands | |
| GRIGGS | Stratovolcano | Radiocarbon | Alaska Peninsula |
| GRILLE, LA | Shield volcano | Holocene | Indian Ocean (western) |
| GRIMSNES | Crater rows | Tephrochronology | Iceland (southwestern) |
| GRIMSVOTN | Caldera | Historical | Iceland (northeastern) |
| GRIS | Crater of PUYEHUE-CORDON CAULLE | Central Chile & Argentina | |
| GRIS, CRATER | Cinder cone of MOCHO-CHOSHUENCO | Central Chile & Argentina | |
| GRIZZLY BUTTE | Shield volcano of TUYA VOLCANIC FIELD | Canada | |
| GRJOTHRYGGUR | Submarine vent of REYKJANES | Iceland (southwestern) | |
| GROPPO | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| GROS BENARD, LE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GROS FOUGAS | Cinder cone of SOUFRIERE GUADELOUPE | West Indies | |
| GROS HASAN DAGI | Dome of HASAN DAGI | Turkey | |
| GROS PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GROS PITON | Dome of QUALIBOU | West Indies | |
| GROSSE SSEMJATSCHIK | Synonym of MALY SEMIACHIK | Kamchatka Peninsula | |
| GROTTA DEL CANE | Crater of CAMPI FLEGREI | Italy | |
| GROUND CRATER | Crater of TOKACHI | Hokkaido | |
| GROUNDHOG | Cinder cone of GOLDEN TROUT CREEK | USA (California) | |
| GROUSE HILL | Dome of CRATER LAKE | USA (Oregon) | |
| GROWLER HOT SPRINGS | Thermal Feature of LASSEN VOLCANIC CENTER | USA (California) | |
| GROZNY | Dome of GROZNY GROUP | Kuril Islands | |
| GROZNY GROUP | Complex volcanoes | Historical | Kuril Islands |
| GUA WALED [GUA WALET] | Crater of CEREME | Java | |
| GUA WALET | Crater of CEREME | Java | |
| GUACA, LA | Cone of GALERAS | Colombia | |
| GUACAMAYA, CERRO LA | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| GUACAMAYAS, CERRO DE LAS | Cinder cone of CHINGO | Guatemala | |
| GUACAMAYERO, CERRO | Cinder cone of COATEPEQUE CALDERA | El Salvador & Honduras | |
| GUACAMAYO | Synonym of SUMACO | Ecuador | |
| GUACHA, LOMA | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| GUACHIPELIN | Pleistocene caldera of RINCON DE LA VIEJA | Costa Rica | |
| GUACO, CERRO EL | Dome of MICHOACAN-GUANAJUATO | México | |
| GUADALUPE | Shield volcano | Holocene | México |
| GUADALUPE, CERRO DE | Cinder cone of SAN VICENTE | El Salvador & Honduras | |
| GUAGUA PICHINCHA | Stratovolcano | Historical | Ecuador |
| GUAGUA SUMACO | Cone of SUMACO | Ecuador | |
| GUAGUA-PUTINA | Synonym of MISTI, EL | Perú | |
| GUAILLANE, CERRO | Stratovolcano of PUCHULDIZA | Northern Chile, Bolivia & Argentina | |
| GUAJARA | Pleistocene caldera of TENERIFE | Canary Islands | |
| GUALLATIRI | Stratovolcano | Historical | Northern Chile, Bolivia & Argentina |
| GUANAQUEROS, VOLCAN | Cinder cone of ATUEL, CALDERA DEL | Central Chile & Argentina | |
| GUANGOCHE, CERRO EL | Dome of AZUFRES, LOS | México | |
| GUANYIN, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GUARARI | Cinder cone of BARVA | Costa Rica | |
| GUARDA, CERRO EL | Cone of CHICHINAUTZIN | México | |
| GUARDIA, MONTE | Dome of LIPARI | Italy | |
| GUARDIAN, CERRO | Cinder cone of IRAZU | Costa Rica | |
| GUARDIOLA, LA | Cone of ISCHIA | Italy | |
| GUATISEA, MONTANA | Cone of LANZAROTE | Canary Islands | |
| GUATOJON, CERRO | Cinder cone of CHIQUIMULA VOLCANIC FIELD | Guatemala | |
| GUATUSA, LOMA LA | Dome of MOMOTOMBO | Nicaragua | |
| GUATUSOS PEAK | Synonym of ARENAL | Costa Rica | |
| GUAYABAL, EL | Tuff cone of CHICHON, EL | México | |
| GUAYABO | Pleistocene caldera of MIRAVALLES | Costa Rica | |
| GUAYAQUES | Lava domes | Holocene | Northern Chile, Bolivia & Argentina |
| GUAYTA | Synonym of HUAYNAPUTINA | Perú | |
| GUAZAPA | Stratovolcano | Holocene? | El Salvador & Honduras |
| GUBERABIA | Cone of NYIRAGONGO | Africa (central) | |
| GUDDA [BOSET] | Stratovolcano of BOSET-BERICHA | Africa (northeastern) & Red Sea | |
| GUDUACK | Cone of HALLA | Korea | |
| GUEGUENSI, ISLA | Cone of ZACATE GRANDE, ISLA | El Salvador & Honduras | |
| GUEUIE RONDE, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| GUFA | Volcanic field | Holocene | Africa (northeastern) & Red Sea |
| GUGUAN | Stratovolcano | Historical | Izu, Volcano, & Mariana Islands |
| GUIA, MONTE DE | Tuff cone of FAYAL | Azores | |
| GUIANASON, MT | Thermal Feature of BILIRAN | Central Philippines | |
| GUIESHAN (GUISHAN) | Synonym of KUEISHANTAO | Taiwan | |
| GUIJA VOLC FIELD | Synonym of SAN DIEGO | El Salvador & Honduras | |
| GUILHERME MONIZ | Stratovolcano of TERCEIRA | Azores | |
| GUIMAR, VOLCAN DE | Cinder cone of TENERIFE | Canary Islands | |
| GUIMBA | Cinder cone of JOLO | Sulu Islands | |
| GUINDOS, LOS | Stratovolcano of CARRAN-LOS VENADOS | Central Chile & Argentina | |
| GUINEA, LA | Dome of ZAPATERA | Nicaragua | |
| GUINSAYAWAN, MT. | Cone of CUERNOS DE NEGROS | Central Philippines | |
| GUINSILIBAN, MT. [MT. GINSILIBAN] | Stratovolcano of CAMIGUIN | Mindanao | |
| GUINTABON DOME | Dome of CUERNOS DE NEGROS | Central Philippines | |
| GUISO DEL MONTE PANAMAO | Thermal Feature of BILIRAN | Central Philippines | |
| GULIZAR | Crater of TENDUREK DAGI | Turkey | |
| GULLBORG | Cone of LJOSUFJOLL | Iceland (western) | |
| GULLHOLL | Submarine vent of REYKJANES | Iceland (southwestern) | |
| GULU | Cone of LANGILA | New Britain | |
| GUMANSAN | Dome of BILIRAN | Central Philippines | |
| GUMATMALI | Fissure vent of MANDA HARARO | Africa (northeastern) & Red Sea | |
| GUMAWANG | Crater of LAWU | Java | |
| GUMURUH | Crater of GEDE | Java | |
| GUN CREEK | Synonym of BRIDGE RIVER CONES | Canada | |
| GUNEYDAG | Dome of ACIGOL-NEVSEHIR | Turkey | |
| GUNGPO | Synonym of TENGCHONG | Southeast Asia | |
| GUNKAN-YAMA | Dome of NIPESOTSU-MARUYAMA | Hokkaido | |
| GUNNARSHOLTSHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| GUNTUR | Complex volcano | Historical | Java |
| GUNTUR | Crater of GALUNGGUNG | Java | |
| GUNTURAN | Dome of TENGGER CALDERA | Java | |
| GUNUNG | See proper name (e.g. TARUB, GUNUNG) | Indonesian for MT. | |
| GUNUNG API NORTH OF WETAR | Synonym of GUNUNGAPI WETAR | Banda Sea | |
| GUNUNGAPI | Synonym of AGUNG | Lesser Sunda Islands | |
| GUNUNGAPI | Synonym of IYA | Lesser Sunda Islands | |
| GUNUNGAPI | Synonym of LEWOTOLO | Lesser Sunda Islands | |
| GUNUNGAPI BIMA | Synonym of SANGEANG API | Lesser Sunda Islands | |
| GUNUNGAPI WETAR | Stratovolcano | Historical | Banda Sea |
| GUPIT | Crater of KELUT | Java | |
| GURAUNDO-KAKO [GROUND CRATER] | Crater of TOKACHI | Hokkaido | |
| GUSHAN | Cinder cone of KELUO GROUP | China (eastern) | |
| GUYNEMER, MASSIF | Stratovolcano of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| GUZMANES, LOS | Stratovolcano of TINGUIRIRICA | Central Chile & Argentina | |
| GVENDARHYRAN | Tuya of TORFAJOKULL | Iceland (southern) | |
| GVENDARSELSGIGAR | Crater Row of KRISUVIK | Iceland (southwestern) | |
| GWANGUOA | Cone of KARISIMBI | Africa (central) | |
| GYOJANOIWAYA | Stratovolcano of OSHIMA | Izu, Volcano, & Mariana Islands | |
| GYOKO | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| GYP | Crater of SUNSET CRATER | USA (Arizona) | |
| HAABUNGA | Cone of GRIMSVOTN | Iceland (northeastern) | |
| HAAHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| HAAHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| HABUMINATO | Crater of OSHIMA | Izu, Volcano, & Mariana Islands | |
| HACCHO-RINDO | Vent of IZU-TOBU | Honshu | |
| HACHI-YAMA | Cone of IZU-TOBU | Honshu | |
| HACHI-YAMA | Cinder cone of SHIGA | Honshu | |
| HACHIGAKUBO GROUP | Cone of IZU-TOBU | Honshu | |
| HACHIJO-FUJI | Synonym of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HACHIJO-JIMA | Stratovolcanoes | Historical | Izu, Volcano, & Mariana Islands |
| HACHIJO-JIMA NISHI-YAMA | Synonym of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HACHIKUBO | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| HACHIKUBO-YAMA | Cone of IZU-TOBU | Honshu | |
| HACHIMAKI-YAMA | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| HACHIMAN-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| HACHIMAN-YAMA | Cone of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HACHIMANTAI | Stratovolcano | Radiocarbon | Honshu |
| HACHINOKUBO | Vent of UNZEN | Ryukyu Islands & Kyushu | |
| HACHIYAMA-HIGASHIOKU | Cone of IZU-TOBU | Honshu | |
| HACHIYO-TAKE | Synonym of FUJI | Honshu | |
| HACIENDA DE JARIDEO GROUP | Thermal Feature of MICHOACAN-GUANAJUATO | México | |
| HACIENDA DEL AGUA FRIA GROUP | Thermal Feature of MICHOACAN-GUANAJUATO | México | |
| HACKAMORE CREEK | Cone of WEST CRATER | USA (Washington) | |
| HADES | Vent of WEST MATA | Tonga Islands | |
| HADJI, KAWAH [KAWAH HAJI] | Crater of KARANG | Java | |
| HAGAFELL | Shield volcano of KRISUVIK | Iceland (southwestern) | |
| HAGAFELL | Shield volcano of HVERAVELLIR | Iceland (southwestern) | |
| HAGAVIKURHRAUN | Fissure vent of HENGILL | Iceland (southwestern) | |
| HAGLEY | Dome of PLAT PAYS, MORNE | West Indies | |
| HAGONG | Dome of KRAFLA | Iceland (northeastern) | |
| HAGONGUHRAUN | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| HAGONGUR | Stratovolcano of TUNGNAFELLSJOKULL | Iceland (northeastern) | |
| HAGOROMO-YAMA | Synonym of FUJI | Honshu | |
| HAGUE | Stratovolcano of EMMONS LAKE | Alaska Peninsula | |
| HAID AL-ISI [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| HAID EL-'ARQUB | Cone of SAWAD, HARRA ES- | Arabia | |
| HAID EL-ESI [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| HAIMON-DAKE [KAIMON] | Stratovolcano of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| HAIN | Tuff ring of VESTMANNAEYJAR | Iceland (southern) | |
| HAINAN DAO | Pyroclastic cones | Historical | Southeast Asia |
| HAININI | Dome of OKATAINA | New Zealand | |
| HAINOA CRATER | Crater of HUALALAI | Hawaiian Islands | |
| HAIQUE | Cone of ANTILLANCA GROUP | Central Chile & Argentina | |
| HAIWAHINE, PUU | Cone of MAUNA KEA | Hawaiian Islands | |
| HAJI, KAWAH | Crater of KARANG | Java | |
| HAKKA | Stratovolcano of TOWADA | Honshu | |
| HAKKEN-YAMA | Cone of FUJI | Honshu | |
| HAKKODA GROUP | Stratovolcanoes | Radiocarbon | Honshu |
| HAKKODA-ODAKE | Stratovolcano of HAKKODA GROUP | Honshu | |
| HAKONE | Complex volcano | Radiocarbon | Honshu |
| HAKU-SAN | Stratovolcano | Historical | Honshu |
| HAKUDAIRYUO | Cone of FUJI | Honshu | |
| HAKUEN (HAKUEN-ZAN) | Synonym of KARPINSKY GROUP | Kuril Islands | |
| HAKUTO | Synonym of CHANGBAISHAN | China (eastern) | |
| HAKUUN-DAKE | Dome of DAISETSU | Hokkaido | |
| HAKUUN-ZAN | Dome of SHIKARIBETSU GROUP | Hokkaido | |
| HALA- | See proper name (e.g. ASI, HALA-L) | Arabic for VOLCANIC CONE | |
| HALALII | Cone of HALEAKALA | Hawaiian Islands | |
| HALEAKALA | Shield volcano | Anthropology | Hawaiian Islands |
| HALEKAMAHINA | Cone of KILAUEA | Hawaiian Islands | |
| HALEMAUMAU | Pit crater of KILAUEA | Hawaiian Islands | |
| HALEPA | Dome of MILOS | Greece | |
| HALEYJABUNGA | Shield volcano of REYKJANES | Iceland (southwestern) | |
| HALF CONE | Tuff cone of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| HALF CONE | Cone of ANIAKCHAK | Alaska Peninsula | |
| HALF CONE | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| HALL BUTTE | Cinder cone of TUMBLE BUTTES | USA (California) | |
| HALLA | Shield volcano | Historical | Korea |
| HALLMUNDARHRAUN | Shield volcano of HVERAVELLIR | Iceland (southwestern) | |
| HALSAGIGIR | Fissure vent of GRIMSVOTN | Iceland (northeastern) | |
| HALYKI | Thermal Feature of MILOS | Greece | |
| HAMARINN | Stratovolcano of BARDARBUNGA | Iceland (northeastern) | |
| HAMATANG | Cinder cone of JINGBO | China (eastern) | |
| HAMBARIANA | Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| HAMILTON, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| HAMMA AL-HAMDANI [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| HAMMAM EL-ZEBIB | Thermal Feature of DHAMAR, HARRAS OF | Arabia | |
| HAMMAN ALESSI, DJEBEL [JABAL EL-ESI] | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| HAMMAT ES-SA'TAR | Cone of DHAMAR, HARRAS OF | Arabia | |
| HAMNER BUTTE | Shield volcano of DAVIS LAKE | USA (Oregon) | |
| HAMRAGARDARHRAUN | Fissure vent of EYJAFJALLAJOKULL | Iceland (southern) | |
| HAMUDI, JABAL AL | Stratovolcano of ARHAB, HARRA OF | Arabia | |
| HAMUGOMA | Tuff cone of FORT PORTAL | Africa (central) | |
| HANA RIDGE | Fissure vent of HALEAKALA | Hawaiian Islands | |
| HANARE-YAMA | Dome of ASAMA | Honshu | |
| HANATATE | Dome of KOZU-SHIMA | Izu, Volcano, & Mariana Islands | |
| HANDO-IWA | Vent of UNZEN | Ryukyu Islands & Kyushu | |
| HANGA O TEA | Crater of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| HANGAR | Synonym of KHANGAR | Kamchatka Peninsula | |
| HANGAYN VOLC FIELD | Synonym of TARYATU-CHULUTU | Mongolia | |
| HANGELBERG | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HANGETSU-KO | Tuff cone of YOTEI | Hokkaido | |
| HANGING ROCK | Dome of NEWER VOLCANICS PROV | Australia | |
| HANGURA [KHANGURA] | Cone of UDOKAN PLATEAU | Russia (southeastern) | |
| HANI-HANI | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| HANISH | Shield volcano | Holocene | Africa (northeastern) & Red Sea |
| HANJALE, GOF | Maar of MARSABIT | Africa (eastern) | |
| HANKOW REEF | Synonym of YOMBA | Northeast of New Guinea | |
| HANNAH, MT. | Dome of CLEAR LAKE | USA (California) | |
| HANNINGTON | Synonym of BOGORIA | Africa (eastern) | |
| HANS MEYER CRATER [MUNTANGO] | Pit crater of KARISIMBI | Africa (central) | |
| HANSA ISLAND | Synonym of MANAM | Northeast of New Guinea | |
| HANTSONGOMA | Crater of KARTHALA | Indian Ocean (western) | |
| HANUI (HANUY) GOL | Synonym of KHANUY GOL | Mongolia | |
| HAO, MAUNGA [MAUNGA VAO] | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| HAOFA | Tuff cone of WALLIS ISLANDS | Samoan & Wallis Islands | |
| HAOLDUHRAUN | Fissure vent of HOFSJOKULL | Iceland (southwestern) | |
| HAOLDUHRAUN | Fissure vent of TORFAJOKULL | Iceland (southern) | |
| HAPBERG [KAPBERG] | Stratovolcano of LOLO | New Britain | |
| HARAI | Cinder cone of IZU-TOBU | Honshu | |
| HARAI | Cinder cone of IZU-TOBU | Honshu | |
| HARAKANDI | Cone of NYAMURAGIRA | Africa (central) | |
| HARANGGAOL | Caldera of TOBA | Sumatra | |
| HARARO MANDA | Synonym of MANDA HARARO | Africa (northeastern) & Red Sea | |
| HARARU | Synonym of MANDA HARARO | Africa (northeastern) & Red Sea | |
| HARDIN BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| HARDT-MAAR | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HARGY | Stratovolcano | Radiocarbon | New Britain |
| HARIMKOTAN | Synonym of KHARIMKOTAN | Kuril Islands | |
| HARO MAJA | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| HARO MAJA | Maar of BUTAJIRI-SILTI FIELD | Africa (northeastern) & Red Sea | |
| HAROHARO | Fissure vent of OKATAINA | New Zealand | |
| HAROSU | Synonym of BAYONNAISE ROCKS | Izu, Volcano, & Mariana Islands | |
| HAROTSIATSIANOPORI | Synonym of RASSHUA | Kuril Islands | |
| HAROUDJ, DJEBEL | Synonym of HARUJ | Africa (northern) | |
| HARRA / HARRAS | See proper name (e.g. DHAMAR, HARRAS OF) | Arabic for LAVA FIELD | |
| HARRAH, AL | Volcanic field | Holocene | Arabia |
| HARRAT / HARRET | See proper name (e.g. ER-RAHA, HARRAT) | Arabic for LAVA FIELD | |
| HARRY'S SPA HOT SPRINGS | Thermal Feature of ST. HELENS | USA (Washington) | |
| HARUJ | Volcanic field | Holocene | Africa (northern) |
| HARUMUKOTAN | Synonym of KHARIMKOTAN | Kuril Islands | |
| HARUNA | Stratovolcano | Anthropology | Honshu |
| HARUNA-FUJI | Cone of HARUNA | Honshu | |
| HARUTA-YAMA | Dome of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| HASAN DAGI | Stratovolcano | Holocene | Turkey |
| HASAN DAGI | Cone of ERCIYES DAGI | Turkey | |
| HASZARD, MT. | Cone of MACAULEY ISLAND | Kermadec Islands | |
| HAT MOUNTAIN | Cone of LASSEN VOLCANIC CENTER | USA (California) | |
| HATACHI-YAMA | Synonym of FUJI | Honshu | |
| HATCHOBARU | Thermal Feature of KUJU | Ryukyu Islands & Kyushu | |
| HATCHODAIRA | Caldera of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| HATENJI | Cone of NGOZI | Africa (eastern) | |
| HATI-YAMA [HACHI-YAMA] | Cinder cone of SHIGA | Honshu | |
| HATIMAKI-YAMA [HACHIMAKI-YAMA] | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| HATIMANTAI | Synonym of HACHIMANTAI | Honshu | |
| HATIZYO-HUZI | Synonym of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HATIZYO-ZIMA NISI-YAMA | Synonym of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HATTAB, JABAL [KAULET HATTAB] | Tuff cone of ARHAB, HARRA OF | Arabia | |
| HATTUR | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| HA'U EPA, MAUNGA | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| HAUG, CRATERE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| HAUGUR | Crater Row of REYKJANES | Iceland (southwestern) | |
| HAUHUNGATAHI | Cone of RUAPEHU | New Zealand | |
| HAUKADALUR | Thermal Feature of HVERAVELLIR | Iceland (southwestern) | |
| HAUT DONG NAI | Volcanic field | Holocene? | Southeast Asia |
| HAUY, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| HAVFUEN PEAK | Cone of BRISTOL ISLAND | Antarctica & South Sandwich Islands | |
| HAWSHUENSHAN [MAANSHAN] | Cinder cone of TENGCHONG | Southeast Asia | |
| HAYCOCK ISLAND | Cone of HANISH | Africa (northeastern) & Red Sea | |
| HAYCOCK ISLAND | Cone of ZUBAIR, JEBEL | Africa (northeastern) & Red Sea | |
| HAYES | Stratovolcano | Radiocarbon | Alaska (southwestern) |
| HAYIL, HARRAT | Synonym of BIRK, HARRAT AL | Arabia | |
| HAYIL, JIBAL | Cone of BIRK, HARRAT AL | Arabia | |
| HAYLAH, JABAL AL | Cone of BIRK, HARRAT AL | Arabia | |
| HAYLAN, JABAL | Volcanic field | Anthropology | Arabia |
| HAYLI GUB | Synonym of HAYLI GUBBI | Africa (northeastern) & Red Sea | |
| HAYLI GUBBI | Shield volcano | Holocene | Africa (northeastern) & Red Sea |
| HAZAM KHADRA', JABAL | Cone of ITHNAYN, HARRAT | Arabia | |
| HEALY | Submarine volcano | Radiocarbon | New Zealand |
| HEARD | Stratovolcano | Historical | Indian Ocean (southern) |
| HEART LAKE | Thermal Feature of YELLOWSTONE | USA (Wyoming) | |
| HEART OF ALAID [SERDTZE ALAIDA] | Dome of KURILE LAKE | Kamchatka Peninsula | |
| HEART PEAKS | Shield volcano | Holocene? | Canada |
| HEBERT | Cone of AMSTERDAM ISLAND | Indian Ocean (southern) | |
| HEHU | Cone of KARISIMBI | Africa (central) | |
| HEIDARSPORDUR | Fissure vent of KRAFLA | Iceland (northeastern) | |
| HEIDIN HA | Shield volcano of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| HEIENLIGLAR [MARUMLIGLAR] | Crater of AMBRYM | Vanuatu | |
| HEIGUOTOU | Cone of UNNAMED | China (western) | |
| HEIHEIAHULU | Shield volcano of KILAUEA | Hawaiian Islands | |
| HEIJI-DAKE | Stratovolcano of KUJU | Ryukyu Islands & Kyushu | |
| HEIKONGSHAN | Cone of TENGCHONG | Southeast Asia | |
| HEIKONGSHAN | Cone of TENGCHONG | Southeast Asia | |
| HEILONG SHAN | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| HEIMAEY | Cinder cone of VESTMANNAEYJAR | Iceland (southern) | |
| HEISHAN | Cone of TENGCHONG | Southeast Asia | |
| HEISHAN | Cinder cone of KELUO GROUP | China (eastern) | |
| HEISHIBEIHU | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| HEIZI-DAKE [HEIJI-DAKE] | Stratovolcano of KUJU | Ryukyu Islands & Kyushu | |
| HEJO, KAWAH | Thermal Feature of GALUNGGUNG | Java | |
| HEKLA | Stratovolcano | Historical | Iceland (southern) |
| HEKLUFELL (HEKLUFJALL) | Synonym of HEKLA | Iceland (southern) | |
| HEKLUGJA | Fissure vent of HEKLA | Iceland (southern) | |
| HELATOBA-TAROETOENG | Synonym of HELATOBA-TARUTUNG | Sumatra | |
| HELATOBA-TARUTUNG | Fumarole field | Pleistocene-Fumarolic | Sumatra |
| HELECHOS, LOS | Cone of LANZAROTE | Canary Islands | |
| HELEMOLLE, VOLCAN | Cone of CABURGUA-HUELEMOLLE | Central Chile & Argentina | |
| HELEN, MOUNT | Dome of LASSEN VOLCANIC CENTER | USA (California) | |
| HELENA | Cone of CAMEROON | Africa (western) | |
| HELGADALSHRAUN | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| HELGAFELL | Cinder cone of VESTMANNAEYJAR | Iceland (southern) | |
| HELGAFELLSGIGIR | Crater Row of KRISUVIK | Iceland (southwestern) | |
| HELGRINDUR | Pyroclastic cones | Holocene | Iceland (western) |
| HELLISEY | Cone of VESTMANNAEYJAR | Iceland (southern) | |
| HELLISHEIDI | Thermal Feature of HENGILL | Iceland (southwestern) | |
| HELLISKVISLARHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| HELL'S GATE | Thermal Feature of ROTORUA | New Zealand | |
| HELL'S GATE | Thermal Feature of SURETAMATAI | Vanuatu | |
| HELL'S HALF ACRE | Shield volcano | Radiocarbon | USA (Idaho) |
| HELMET PEAK | Cone of MILBANKE SOUND GROUP | Canada | |
| HELTAGI | Cone of ASSAB VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| HELVELLYN | Dome of ST. CATHERINE | West Indies | |
| HELVITI [VITI] | Maar of KRAFLA | Iceland (northeastern) | |
| HEMBE | Cone of NYAMURAGIRA | Africa (central) | |
| HENDRIK FISHER KOP | Cinder cone of MARION ISLAND | Indian Ocean (southern) | |
| HENEDURA, LA | Crater of ANTUCO | Central Chile & Argentina | |
| HENEOWARA | Crater of DUKONO | Halmahera | |
| HENGILL | Crater rows | Historical | Iceland (southwestern) |
| HENGSTWEILER | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HENRI RALLIER DU BATY, MONT | Cone of KERGUELEN ISLANDS | Indian Ocean (southern) | |
| HENRIE KNOLLS | Cone of MARKAGUNT PLATEAU | USA (Utah) | |
| HENRYS FORK | Pleistocene caldera of YELLOWSTONE | USA (Wyoming) | |
| HERAI-DAKE | Stratovolcano of TOWADA | Honshu | |
| HERALD ISLETS | Crater of RAOUL ISLAND | Kermadec Islands | |
| HERBERT | Stratovolcano | Holocene | Aleutian Islands |
| HERDISARVIKURHRAUN | Shield volcano of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| HERDUBREIDARTAGLAGJOSKA | Crater of ASKJA | Iceland (northeastern) | |
| HERIVDEROS, LOS | Thermal Feature of TENORIO | Costa Rica | |
| HERMOSO, VALLE | Cinder cone of PLATANAR | Costa Rica | |
| HERRADURA | Cone of CHICHINAUTZIN | México | |
| HERRADURA, CERRO LA | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| HERRERA, CRATER | Dome of BARCENA | México | |
| HERTALE | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| HERTALI | Fissure vent | Holocene | Africa (northeastern) & Red Sea |
| HERTHA | Cone of SEAL NUNATAKS GROUP | Antarctica & South Sandwich Islands | |
| HERVIDEROS | See proper name (e.g. SAN JACINTO, HERVIDEROS DE) | Spanish for HOT SPRINGS | |
| HERZ | Cone of USHKOVSKY | Kamchatka Peninsula | |
| HESTOLDUHRAUN | Fissure vent of HEKLA | Iceland (southern) | |
| HFEALIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| HIBOK-HIBOK | Stratovolcano of CAMIGUIN | Mindanao | |
| HIBRAN, JABAL | Crater of ITHNAYN, HARRAT | Arabia | |
| HIERRO | Shield volcano | Radiocarbon | Canary Islands |
| HIGASHI-AZUMA | Cone of AZUMA | Honshu | |
| HIGASHI-CHOKAI | Stratovolcano of CHOKAI | Honshu | |
| HIGASHI-DAITEN | Cone of AZUMA | Honshu | |
| HIGASHI-DAKE | Cone of AKAN | Hokkaido | |
| HIGASHI-HAKUUNZAN | Cone of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HIGASHI-IWATE | Stratovolcano of IWATE | Honshu | |
| HIGASHI-IZU VOLCANO GROUP | Synonym of IZU-TOBU | Honshu | |
| HIGASHI-IZU-OKI GROUP | Synonym of IZU-TOBU | Honshu | |
| HIGASHI-KAITOKUBA | Cone of KAITOKU SEAMOUNT | Izu, Volcano, & Mariana Islands | |
| HIGASHI-KURIKOMA | Stratovolcano of KURIKOMA | Honshu | |
| HIGASHI-MARUYAMA | Dome of USU | Hokkaido | |
| HIGASHI-NUPUKAUSHINUPURI | Dome of SHIKARIBETSU GROUP | Hokkaido | |
| HIGASHI-OIKE | Maar of IZU-TOBU | Honshu | |
| HIGASHI-ONSEN | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| HIGASHI-TOKACHI-MARUYAMA [MARU-YAMA] | Dome of NIPESOTSU-MARUYAMA | Hokkaido | |
| HIGASHI-TSURUGI | Cone of FUJI | Honshu | |
| HIGASHI-USUZUKA | Cone of FUJI | Honshu | |
| HIGASHI-YAMA | Stratovolcano of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HIGASHI-YAMA | Stratovolcano of OSHIMA-OSHIMA | Hokkaido | |
| HIGASHIMINE | Cone of YOKOATE-JIMA | Ryukyu Islands & Kyushu | |
| HIGASI-DAKE [HIGASHI-DAKE] | Cone of AKAN | Hokkaido | |
| HIGASI-YAMA [HIGASHI-YAMA] | Stratovolcano of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| HIGATURU | Synonym of LAMINGTON | New Guinea & D'Entrecasteaux Islands | |
| HIGH HOLE CRATER | Crater of MEDICINE LAKE | USA (California) | |
| HIGH ISLAND | Cone of ZUKUR | Africa (northeastern) & Red Sea | |
| HIGH RISE | Thermal Feature of ENDEAVOUR RIDGE | Pacific Ocean (northern) | |
| HIGH TUYA LAKE VOLC FIELD | Volcanic field of TUYA VOLCANIC FIELD | Canada | |
| HIIAKA | Pit crater of KILAUEA | Hawaiian Islands | |
| HIJANG | Synonym of IYANG-ARGAPURA | Java | |
| HIJIORI | Caldera | Holocene | Honshu |
| HIJIRI-YU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| HIJO DEL CUAUHTZIN | Cinder cone of CHICHINAUTZIN | México | |
| HIJO DEL VOLCAN [SANTIAGUITO] | Dome of SANTA MARIA | Guatemala | |
| HIKINOHIRA | Dome of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| HIKUBO | Crater of OSHIMA | Izu, Volcano, & Mariana Islands | |
| HIKUTEMOTU | Cone of NIUAFO'OU | Tonga Islands | |
| HIL, JABAL | Cinder cone of KISHB, HARRAT | Arabia | |
| HILAS, CERRO DE LAS | Cinder cone of MOYUTA | Guatemala | |
| HILDARHRAUN | Shield volcano of HENGILL | Iceland (southwestern) | |
| HILL 404 | Cinder cone of ST. PAUL ISLAND | Alaska (western) | |
| HILL PIECE | Tuff cone of TRISTAN DA CUNHA | Atlantic Ocean (southern) | |
| HILLA ETHNAN | Synonym of ITHNAYN, HARRAT | Arabia | |
| HILLMAN PEAK | Stratovolcano of CRATER LAKE | USA (Oregon) | |
| HIMAICAGAN [KASIBOI] | Cone of MAHAGNAO | Central Philippines | |
| HIMALAYA, CERRO | Dome of APANECA RANGE | El Salvador & Honduras | |
| HIMO | Cone of KILIMANJARO | Africa (eastern) | |
| HINAMORI-DAKE | Stratovolcano of KIRISHIMA | Ryukyu Islands & Kyushu | |
| HINEMOA POINT | Dome of ROTORUA | New Zealand | |
| HINKELSMAAR | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HINO-TAKE | Cone of FUKUE-JIMA | Ryukyu Islands & Kyushu | |
| HINOKIZUKA | Cone of FUJI | Honshu | |
| HINOYAMA-TOGE | Fissure vent of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| HIPAUA | Thermal Feature of TAUPO | New Zealand | |
| HIPPERSBACH | Tuff ring of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HIPPO BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| HIRABE-YAMA | Crater of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| HIRAKIKI-DAKE [KAIMON] | Stratovolcano of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| HIRASE | Cone of SAKURA-JIMA | Ryukyu Islands & Kyushu | |
| HIRATSUKA | Cone of FUJI | Honshu | |
| HIRI | Stratovolcano | Holocene | Halmahera |
| HIRO | Synonym of ILIWERUNG | Lesser Sunda Islands | |
| HIROYIYAMA-OYUNUMA-URAJIGOKU | Fissure vent of KUTTARA | Hokkaido | |
| HIRUP, KAWAH | Thermal Feature of SALAK | Java | |
| HISAGOGATA | Crater of KOMAGA-TAKE | Hokkaido | |
| HITIM | Stratovolcano of KABA | Sumatra | |
| HITOKAPPU VOLCANO GROUP | Synonym of BOGATYR RIDGE | Kuril Islands | |
| HITOKAPPU-YAMA | Stratovolcano of BOGATYR RIDGE | Kuril Islands | |
| HIUCHI | Stratovolcano | Historical | Honshu |
| HIUCHIGA-TAKE | Synonym of HIUCHI | Honshu | |
| HIUKAU, PUU | Cone of MAUNA KEA | Hawaiian Islands | |
| HIVA HIVA, MAUNGA | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| HIWAISH ABU SIBA | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| HIYANG | Synonym of IYANG-ARGAPURA | Java | |
| HIYORI-YAMA | Dome of KUTTARA | Hokkaido | |
| HIYOSHI-OKINOBA | Synonym of MINAMI-HIYOSHI | Izu, Volcano, & Mariana Islands | |
| HIYOSI-OKINOBA | Synonym of MINAMI-HIYOSHI | Izu, Volcano, & Mariana Islands | |
| HIZENGAJO | Dome of KUJU | Ryukyu Islands & Kyushu | |
| HIZIORI | Synonym of HIJIORI | Honshu | |
| HLASCAR | Synonym of LASCAR | Northern Chile, Bolivia & Argentina | |
| HLIDARFJALL | Dome of KRAFLA | Iceland (northeastern) | |
| HLIDARGIGAR | Fissure vent of HEKLA | Iceland (southern) | |
| HLIDARHRAUN | Shield volcano of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| HLIDARSEL [DALFJALL] | Fissure vent of KRAFLA | Iceland (northeastern) | |
| HNAPPAFELLSJOKULL | Synonym of ORAEFAJOKULL | Iceland (southeastern) | |
| HNAUSAGIGAROD | Fissure vent of BARDARBUNGA | Iceland (northeastern) | |
| HNAUSAPOLLUR | Crater of BARDARBUNGA | Iceland (northeastern) | |
| HOASHEN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| HOBICHA CALDERA | Caldera | Holocene? | Africa (northeastern) & Red Sea |
| HOBLEY VOLCANO | Synonym of OLKARIA | Africa (eastern) | |
| HOBSON, MT. | Cone of AUCKLAND FIELD | New Zealand | |
| HOCHAN [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| HOCHSETTER | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| HODGSON NUNATAK | Cone of HUDSON MOUNTAINS | Antarctica & South Sandwich Islands | |
| HODO | Dome of HALLA | Korea | |
| HODSON | Stratovolcano | Holocene | Antarctica & South Sandwich Islands |
| HOEDBERG | Cone of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| HOEFDHAJOKULL | Synonym of KATLA | Iceland (southern) | |
| HOEI CRATERS | Crater of FUJI | Honshu | |
| HOELOEBELOE | Synonym of HULUBELU | Sumatra | |
| HOFDAHRAUN | Fissure vent of EYJAFJALLAJOKULL | Iceland (southern) | |
| HOFDARHRAUN | Crater Row of KRISUVIK | Iceland (southwestern) | |
| HOFENFELS | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HOFFMAN, MT. | Dome of MEDICINE LAKE | USA (California) | |
| HOFSFJALL | Cone of ORAEFAJOKULL | Iceland (southeastern) | |
| HOFSJOKULL | Subglacial volcano | Holocene | Iceland (southwestern) |
| HOG KILLER | Thermal Feature of KANLAON | Central Philippines | |
| HOHEN LIST | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HOHENLOHOE | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| HOHNEL ISLAND | Synonym of SOUTH ISLAND | Africa (eastern) | |
| HOHONU, LUA | Pit crater of MAUNA LOA | Hawaiian Islands | |
| HOKIBARA-HIGASHI | Maar of IZU-TOBU | Honshu | |
| HOKKAIDO-KOMAGATAKE | Synonym of KOMAGA-TAKE | Hokkaido | |
| HOKUCHIN-DAKE | Dome of DAISETSU | Hokkaido | |
| HOKUTIN-DAKE [HOKUCHIN-DAKE] | Dome of DAISETSU | Hokkaido | |
| HOLAHOLAR | Cone of SNAEFELLSJOKULL | Iceland (western) | |
| HOLANDESA, VOLCAN LA | Cone of TOLGUACA | Central Chile & Argentina | |
| HOLANDESA, VOLCAN LA | Cinder cone of LONQUIMAY | Central Chile & Argentina | |
| HOLANTINDUR | Cone of SNAEFELLSJOKULL | Iceland (western) | |
| HOLLOWBACK, MT. | Cone of NEWER VOLCANICS PROV | Australia | |
| HOLM | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| HOLMSHRAUN | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| HOLOTEPEC, VOLCAN | Cinder cone of CHICHINAUTZIN | México | |
| HOLSELDAR | Crater Row of KRAFLA | Iceland (northeastern) | |
| HOLTE CREEK | Cinder cone of SATAH MOUNTAIN | Canada | |
| HOLUHRAUN | Crater Row of ASKJA | Iceland (northeastern) | |
| HOLZMAAR | Maar of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| HOMA MOUNTAIN | Complex volcano | Holocene | Africa (eastern) |
| HOMAHAN, MT. | Cone of BULUSAN | Luzon | |
| HOMBRE MUERTO, MONTANA DEL | Cinder cone of HIERRO | Canary Islands | |
| HOME REEF | Submarine volcano | Historical | Tonga Islands |
| HONDO, CALDERON | Cinder cone of FUERTEVENTURA | Canary Islands | |
| HONDURA | Stratovolcano of BARVA | Costa Rica | |
| HONGGEERTU | Cinder cones | Holocene? | China (eastern) |
| HONOKAHUA | Cone of HALEAKALA | Hawaiian Islands | |
| HONOR, MT. | Cone of TODOKO-RANU | Halmahera | |
| HONTANIGAWA-SHIRYU | Vent of IZU-TOBU | Honshu | |
| HONTSUKA | Cone of ASO | Ryukyu Islands & Kyushu | |
| HOOD | Stratovolcano | Historical | USA (Oregon) |
| HOODOO MOUNTAIN | Subglacial volcano | Tephrochronology | Canada |
| HOOKOMO, PUU | Cone of MAUNA KEA | Hawaiian Islands | |
| HOOPER CRAGS | Cone of ROYAL SOCIETY RANGE | Antarctica & South Sandwich Islands | |
| HOOPERS SHOULDER | Cone of EREBUS | Antarctica & South Sandwich Islands | |
| HOPUA | Tuff ring of AUCKLAND FIELD | New Zealand | |
| HORA ARSEDI HAYK | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| HORARO HAYK | Tuff ring of BISHOFTU VOLCANIC FIELD | Africa (northeastern) & Red Sea | |
| HORCONES, CERRO DE | Cone of SUCHITAN | Guatemala | |
| HORMIGON, EL | Cinder cone of NEJAPA-MIRAFLORES | Nicaragua | |
| HORNILLAS, LAS | Thermal Feature of MIRAVALLES | Costa Rica | |
| HORNITOS, LOS | Cone of AZUL, CERRO | Central Chile & Argentina | |
| HORNITOS, LOS | Fissure vent of TENERIFE | Canary Islands | |
| HORNOPIREN | Stratovolcano | Holocene | Southern Chile & Argentina |
| HOROG [KHOROG] | Cinder cone of TARYATU-CHULUTU | Mongolia | |
| HOROKA | Thermal Feature of NIPESOTSU-MARUYAMA | Hokkaido | |
| HOROMATANGI REEF | Vent of TAUPO | New Zealand | |
| HOROSSADAL [HROSSADALIUR] | Crater Row of KRAFLA | Iceland (northeastern) | |
| HORQUETA, CERRO | Cone of CHACHANI, NEVADO | Perú | |
| HORSE BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| HORSESHOE CONE | Cinder cone of JEFFERSON | USA (Oregon) | |
| HORSESHOE ISLAND | Dome of KATMAI | Alaska Peninsula | |
| HOSH ED DALAN | Crater of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| HOSH ES SIDDIG | Crater of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| HOSH UMM ARAYSH, JEBEL | Cone of BAYUDA VOLCANIC FIELD | Africa (northern) | |
| HOSHO-ZAN | Dome of KUJU | Ryukyu Islands & Kyushu | |
| HOSYO-ZAN [HOSHO-ZAN] | Dome of KUJU | Ryukyu Islands & Kyushu | |
| HOT CREEK | Thermal Feature of LONG VALLEY | USA (California) | |
| HOT LAGOON | Thermal Feature of SIMBO | Bougainville & Solomon Islands | |
| HOT SPRINGS BAY | Thermal Feature of AKUTAN | Aleutian Islands | |
| HOT SPRINGS CONE | Thermal Feature of OKMOK | Aleutian Islands | |
| HOT SPRINGS COVE | Thermal Feature of RECHESCHNOI | Aleutian Islands | |
| HOTCHEOU | Synonym of TURFAN | China (western) | |
| HOTHAM [GIULIA-FERDINANDEO] | Submarine vent of CAMPI FLEGREI MAR SICILIA | Italy | |
| HOTOKEIWA | Shield volcano of ASAMA | Honshu | |
| HOTTA | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| HOU, LUA | Pit crater of MAUNA LOA | Hawaiian Islands | |
| HOYA DE CINTORA | Maar of MICHOACAN-GUANAJUATO | México | |
| HOYA DE FILEBA | Crater of HIERRO | Canary Islands | |
| HOYA, LA | Crater of SAN CRISTOBAL | Nicaragua | |
| HOYADA DE LOS GEISERS DEL TATIO | Synonym of TATIO, EL | Northern Chile, Bolivia & Argentina | |
| HOYADA, LA | Crater of SAN CRISTOBAL | Nicaragua | |
| HOYADAS, LAS | Vent of INFIERNILLO | Central Chile & Argentina | |
| HOYBERG | Cone of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| HOYO CEDRO | Crater of TENERIFE | Canary Islands | |
| HOYO COLORADO, VOLCAN | Vent of INFIERNILLO | Central Chile & Argentina | |
| HOYO DE CALDERAS | Crater of APASTEPEQUE FIELD | El Salvador & Honduras | |
| HOYO DE CIBOLA | Vent of ZUNI-BANDERA | USA (New Mexico) | |
| HOYO DE CUAJUSTE | Crater of APANECA RANGE | El Salvador & Honduras | |
| HOYO EL HUANILLO | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| HOYO NEGRO | Crater of LA PALMA | Canary Islands | |
| HOYO, CERRO EL | Cinder cone of NAOLINCO VOLCANIC FIELD | México | |
| HOYO, CERRO EL | Cinder cone of YOJOA, LAKE | El Salvador & Honduras | |
| HOYO, EL | Synonym of PILAS, LAS | Nicaragua | |
| HOYO, EL | Crater of TOLIMA, NEVADO DEL | Colombia | |
| HOYO, LAGUNA DE | Crater of TAHUAL | Guatemala | |
| HOYO, LAGUNA DE | Maar of SUCHITAN | Guatemala | |
| HOYO, VOLCAN EL | Stratovolcano of PILAS, LAS | Nicaragua | |
| HOYOS, CERRO LOS | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| HRAFNSHILDARGIGIR | Crater Row of KRISUVIK | Iceland (southwestern) | |
| HRAFNTINNUHRYGGUR | Fissure vent of KRAFLA | Iceland (northeastern) | |
| HRAFTINNUHRAUN | Crater Row of TORFAJOKULL | Iceland (southern) | |
| HRAFTINNUSKER | Dome of TORFAJOKULL | Iceland (southern) | |
| HRAUNBUNGA | Shield volcano of KRAFLA | Iceland (northeastern) | |
| HRAUNGIGUR | Fissure vent of HEKLA | Iceland (southern) | |
| HRAUNHALSHRAUN | Crater Row of HEKLA | Iceland (southern) | |
| HRAUNHOLL | Crater Row of KRISUVIK | Iceland (southwestern) | |
| HRAUNSELS-VATNSFELL | Shield volcano of KRISUVIK | Iceland (southwestern) | |
| HREIDHUR | Crater Row of REYKJANES | Iceland (southwestern) | |
| HROLFSVIKURHRAUN | Shield volcano of REYKJANES | Iceland (southwestern) | |
| HROMUNDARTINDUR | Stratovolcano | Holocene? | Iceland (southwestern) |
| HRONARASSAR [KHRONARASSAR] | Cone of PORAK | Caucasus, Georgia & Armenia | |
| HROSSABORG | Tuff ring of ASKJA | Iceland (northeastern) | |
| HROSSADALIUR | Crater Row of KRAFLA | Iceland (northeastern) | |
| HROSSAGIGAR [HROSSADALIUR] | Crater Row of KRAFLA | Iceland (northeastern) | |
| HRUTAGJAR | Shield volcano of KRISUVIK | Iceland (southwestern) | |
| HRUTAGJARDYNGJA [HRUTAGJA] | Shield volcano of KRISUVIK | Iceland (southwestern) | |
| HRUTSHALSAR | Fissure vent of ASKJA | Iceland (northeastern) | |
| HSI-CHIAO-TE-PU-SHAN [XIJIAODEBUSHAN] | Cone of WUDALIANCHI | China (eastern) | |
| HSI-HENG-TAO-SHAN [XIHENGDAOSHAN] | Cone of LONGGANG GROUP | China (eastern) | |
| HSI-PAI-TZU-LUNG-WAN [XIBAIZILONGWAN] | Crater of LONGGANG GROUP | China (eastern) | |
| HSIAO-I-SHAN [XIAOYISHAN] | Cone of LONGGANG GROUP | China (eastern) | |
| HSIAO-KU-SHAN [XIAOKUSHAN] | Cone of LONGGANG GROUP | China (eastern) | |
| HSIAO-LUNG-WAN [XIAOLONGWAN] | Crater of LONGGANG GROUP | China (eastern) | |
| HSIAO-WENG-CHUAN [XIAOWENGJUAN] | Cone of LONGGANG GROUP | China (eastern) | |
| HSIAO-YEN-CHIH-FENG [XIAOYANZHIFENG] | Cone of CHANGBAISHAN | China (eastern) | |
| HSING-AN-NAN-SHAN [XINGANNANSHAN] | Cone of LONGGANG GROUP | China (eastern) | |
| HUACHA, LOMA | Cinder cone of CRATER BASALT VOLCANIC FIELD | Southern Chile & Argentina | |
| HUALALAI | Shield volcano | Historical | Hawaiian Islands |
| HUALALAI, PUU | Synonym of HUALALAI | Hawaiian Islands | |
| HUALCA HUALCA | Stratovolcano of SABANCAYA | Perú | |
| HUALIAQUE | Synonym of APAGADO | Southern Chile & Argentina | |
| HUALLATIRE (HUALLATIRI) | Synonym of GUALLATIRI | Northern Chile, Bolivia & Argentina | |
| HUAMBO | Volcanic field | Radiocarbon | Perú |
| HUANCHANGUERAN, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| HUANGUILLARO | Stratovolcano of CHACHIMBIRO | Ecuador | |
| HUANGYANGLING | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| HUANGZO | Pyroclastic Cone of HAINAN DAO | Southeast Asia | |
| HUANGZUEISHAN | Dome of TATUN GROUP | Taiwan | |
| HUANQUIHUE GROUP | Stratovolcanoes | Radiocarbon | Central Chile & Argentina |
| HUAPO | Cone of TENGCHONG | Southeast Asia | |
| HUARMI IMBABURA | Dome of IMBABURA | Ecuador | |
| HUAYNAPUTINA | Stratovolcano | Historical | Perú |
| HUAYPUNA [AMPATO] | Stratovolcano of SABANCAYA | Perú | |
| HUBERT, PITON | Cinder cone of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| HUBHUB AL SHEIKH | Synonym of BIRK, HARRAT AL | Arabia | |
| HUCKACK | Cone of HALLA | Korea | |
| HUDO-IKE [FUDO-IKE] | Crater of KIRISHIMA | Ryukyu Islands & Kyushu | |
| HUDSON MOUNTAINS | Stratovolcanoes | Ice Core | Antarctica & South Sandwich Islands |
| HUDSON, CERRO | Stratovolcano | Historical | Southern Chile & Argentina |
| HUECHULEPUN, VOLCAN | Cone of SOLLIPULLI | Central Chile & Argentina | |
| HUECO, CERRO | Shield volcano of ZUNI-BANDERA | USA (New Mexico) | |
| HUEHUEL, VOLCAN | Cone of CHICHINAUTZIN | México | |
| HUEHUELCON, VOLCAN | Cone of CHICHINAUTZIN | México | |
| HUENU-HUENU | Stratovolcano of CALBUCO | Southern Chile & Argentina | |
| HUENUAUCA | Synonym of OSORNO | Southern Chile & Argentina | |
| HUEQUE (HUEQUEN) | Synonym of HUEQUI | Southern Chile & Argentina | |
| HUEQUI | Stratovolcano | Historical | Southern Chile & Argentina |
| HUGA | Dome of CHACHIMBIRO | Ecuador | |
| HUGEN-DAKE [FUGEN-DAKE] | Stratovolcano of UNZEN | Ryukyu Islands & Kyushu | |
| HUGOLIN, CRATERES | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| HUIHUILANCO, LOMAS | Cone of CHICHINAUTZIN | México | |
| HUILA, NEVADO DEL | Stratovolcano | Historical | Colombia |
| HUILILCO | Cinder cone of QUETRUPILLAN | Central Chile & Argentina | |
| HUILOTE | Cinder cone of CHICHINAUTZIN | México | |
| HUILOTITO | Cinder cone of CHICHINAUTZIN | México | |
| HUINFIUCA | Fissure vent of LANIN | Central Chile & Argentina | |
| HUIPILO, VOLCAN | Cone of CHICHINAUTZIN | México | |
| HUITAN, CERRO | Dome of ALMOLONGA | Guatemala | |
| HUIZTOMAYO, CERRO | Cone of CHICHINAUTZIN | México | |
| HUKENO-YU [FUKENO-YU] | Thermal Feature of HACHIMANTAI | Honshu | |
| HUKUE-ZIMA | Synonym of FUKUE-JIMA | Ryukyu Islands & Kyushu | |
| HUKUTOKU-OKANOBA | Synonym of FUKUTOKU-OKANOBA | Izu, Volcano, & Mariana Islands | |
| HUKUZIN-KAIZAN | Synonym of FUKUJIN | Izu, Volcano, & Mariana Islands | |
| HUKUZIN-OKABA | Synonym of FUKUJIN | Izu, Volcano, & Mariana Islands | |
| HUKUZIN-OKANOBA | Synonym of FUKUJIN | Izu, Volcano, & Mariana Islands | |
| HULE, LAGUNA [BOSQUE ALEGRE] | Maar of POAS | Costa Rica | |
| HULU | Dome of LOLOBAU | New Britain | |
| HULUBELU | Caldera | Fumarolic | Sumatra |
| HULUHULU, PUU | Cone of KILAUEA | Hawaiian Islands | |
| HULULONGWAN | Crater of LONGGANG GROUP | China (eastern) | |
| HULUMAJANG | Synonym of HUTAPANJANG | Sumatra | |
| HUMAREDAS, CERRO LAS | Dome of AZUFRES, LOS | México | |
| HUMAREDAS, LAS | Synonym of HUMEROS, LOS | México | |
| HUMEROS, LOS | Calderas | Holocene? | México |
| HUMILLADEROS, MONTANA DE LOS | Cinder cone of HIERRO | Canary Islands | |
| HUMINGBIRD FUMAROLE | Thermal Feature of VALLES CALDERA | USA (New Mexico) | |
| HUNAHPU | Synonym of FUEGO | Guatemala | |
| HUNAHPU | Synonym of AGUA | Guatemala | |
| HUNGA TONGA-HUNGA HA'APAI | Submarine volcano | Historical | Tonga Islands |
| HUNGLUSHAN | Tuff cone of TATUN GROUP | Taiwan | |
| HUNIHO | Stratovolcano of LIHIR | New Ireland | |
| HUNTER ISLAND | Stratovolcano | Historical | Pacific Ocean (southwestern) |
| HUOSHAN [HEISHAN] | Cone of TENGCHONG | Southeast Asia | |
| HUOSHAOSHAN | Cone of WUDALIANCHI | China (eastern) | |
| HUPPUSI [FUPPUSHI] | Stratovolcano of AKAN | Hokkaido | |
| HUPPUSI-DAKE [FUPPUSHI-DAKE] | Stratovolcano of SHIKOTSU | Hokkaido | |
| HURANO-DAKE | Stratovolcano of TOKACHI | Hokkaido | |
| HURATA, TAVANI | Cone of KUWAE | Vanuatu | |
| HUREBETU [FUREBETSU] | Stratovolcano of AKAN | Hokkaido | |
| HURRICANE HILL | Dome of NEVIS PEAK | West Indies | |
| HURRICANE RIDGE | Fissure vent of MORNING, MT. | Antarctica & South Sandwich Islands | |
| HURU-DAKE [FURU-TAKE] | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| HURUS, JABAL AL | Cone of RAHAT, HARRAT | Arabia | |
| HUTAPANJANG | Stratovolcano | Holocene | Sumatra |
| HUTAYM, HARRAT | Synonym of ITHNAYN, HARRAT | Arabia | |
| HUTCHINSON | Stratovolcano of RAOUL ISLAND | Kermadec Islands | |
| HUTCHINSON HILL | Shield volcano of ST. PAUL ISLAND | Alaska (western) | |
| HUZI | Synonym of FUJI | Honshu | |
| HVANNADALSHNJUKUR | Dome of ORAEFAJOKULL | Iceland (southeastern) | |
| HVANNSTOD | Crater Row of KRAFLA | Iceland (northeastern) | |
| HVERADALAHRAUN | Crater Row of HENGILL | Iceland (southwestern) | |
| HVERADALUR | Thermal Feature of KVERKFJOLL | Iceland (northeastern) | |
| HVERAGERDI | Thermal Feature of GRENSDALUR | Iceland (southwestern) | |
| HVERAGIL | Crater of KRAFLA | Iceland (northeastern) | |
| HVERAVELLIR | Subglacial volcano | Radiocarbon | Iceland (southwestern) |
| HVERFJALL | Tuff ring of KRAFLA | Iceland (northeastern) | |
| HWEIAIN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| HWNIINDI K'ELT'AENI | Synonym of SANFORD | Alaska (eastern) | |
| HYALO RIDGE | Tuya of WELLS GRAY-CLEARWATER | Canada | |
| HYDEWELL, MT. | Shield volcano of NEWER VOLCANICS PROV | Australia | |
| HYDROGRAPHERS RANGE | Stratovolcano | Holocene | New Guinea & D'Entrecasteaux Islands |
| HYOGOWAN | Crater of TORI-SHIMA | Izu, Volcano, & Mariana Islands | |
| HYOTAN-YAMA | Cone of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| HYUUGA-DAKE | Dome of TSURUMI | Ryukyu Islands & Kyushu | |
| I MONTICELLI | Vent of VESUVIUS | Italy | |
| IAHU (IAHUE, IAHUL) | Synonym of YASUR | Vanuatu | |
| IAMALELE | Lava domes | Holocene | New Guinea & D'Entrecasteaux Islands |
| IAMELELE | Synonym of IAMALELE | New Guinea & D'Entrecasteaux Islands | |
| IASUR | Synonym of YASUR | Vanuatu | |
| IAVINSKIY | Synonym of YAVINSKY | Kamchatka Peninsula | |
| IBAYL, JABAL | Dome of KHAYBAR, HARRAT | Arabia | |
| IBEX MOUNTAIN CONE | Cone of ALLIGATOR LAKE | Canada | |
| IBI [GALLOSEULO] | Stratovolcano of HARGY | New Britain | |
| IBOE | Synonym of IBU | Halmahera | |
| IBU | Stratovolcano | Historical | Halmahera |
| IBUNGU HILLS | Cone of KIEYO | Africa (eastern) | |
| IBUSUKI VOLCANIC FIELD | Calderas | Historical | Ryukyu Islands & Kyushu |
| ICE PEAK | Stratovolcano of EDZIZA | Canada | |
| ICE SPRING | Crater of BLACK ROCK DESERT | USA (Utah) | |
| ICEFALL | Cone of EDZIZA | Canada | |
| ICHA | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ICHINO-IKE | Crater of ON-TAKE | Honshu | |
| ICHINO-IKE | Crater of NORIKURA | Honshu | |
| ICHINOMEGATA | Maar of MEGATA | Honshu | |
| ICHINSKY | Stratovolcano | Historical | Kamchatka Peninsula |
| IDA RIDGE | Cone of WELLS GRAY-CLEARWATER | Canada | |
| IDAK, MOUNT | Cone of OKMOK | Aleutian Islands | |
| IDAMDEHE | Caldera of JAILOLO | Halmahera | |
| IDJEN, KAWAH | Synonym of IJEN | Java | |
| IDO-DAKE | Cone of HAKKODA GROUP | Honshu | |
| IDOLO, CERRO EL | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| IDUP, KAWAH | Thermal Feature of SALAK | Java | |
| IDWA, JEBEL | Cone of MARRA, JEBEL | Africa (northern) | |
| IE JOE | Thermal Feature of SEULAWAH AGAM | Sumatra | |
| IEGATA-YAMA | Cone of AZUMA | Honshu | |
| IETTUNUP | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| IFAGAO | Thermal Feature of POCDOL MOUNTAINS | Luzon | |
| IFWOKA | Cone of NGOZI | Africa (eastern) | |
| IGATONO-YAMA | Cone of FUJI | Honshu | |
| IGAYA | Fissure vent of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| IGEK | Synonym of VENIAMINOF | Alaska Peninsula | |
| IGIR BINEM [BINEM] | Cone of DIENG VOLCANIC COMPLEX | Java | |
| IGLA MOUNTAIN | Stratovolcano of GORIASCHAIA SOPKA | Kuril Islands | |
| IGOREVSKY VOLCANO | Synonym of DZENZURSKY | Kamchatka Peninsula | |
| IGOREWSKIY | Synonym of DZENZURSKY | Kamchatka Peninsula | |
| IGUANA, LOMA | Cinder cone of SAN DIEGO | El Salvador & Honduras | |
| IGUANERO, CERRO | Cinder cone of IXTEPEQUE | Guatemala | |
| IGWISI HILLS | Tuff cones | Holocene | Africa (eastern) |
| IHUMATAO [MAUNGATAKETAKE] | Cone of AUCKLAND FIELD | New Zealand | |
| IILEWA | Cone of KILAUEA | Hawaiian Islands | |
| IIMORI-YAMA | Stratovolcano of KIRISHIMA | Ryukyu Islands & Kyushu | |
| IIUSU | Synonym of BARANSKY | Kuril Islands | |
| IJA | Synonym of IYA | Lesser Sunda Islands | |
| IJANG-ARGAPURA | Synonym of IYANG-ARGAPURA | Java | |
| IJEN | Stratovolcanoes | Historical | Java |
| IJEN, KAWAH | Synonym of IJEN | Java | |
| IKAPO | Maar of KIEYO | Africa (eastern) | |
| IKARMA | Synonym of EKARMA | Kuril Islands | |
| IKATHIWIK CRATER | Cone of NUNIVAK ISLAND | Alaska (western) | |
| IKEDA-HIGASHI | Cone of IZU-TOBU | Honshu | |
| IKEDA-KO | Caldera of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| IKENOKUBO | Tuff ring of ASO | Ryukyu Islands & Kyushu | |
| IKENOSAWA | Caldera of AOGA-SHIMA | Izu, Volcano, & Mariana Islands | |
| IKEZOKO | Maar of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| IKH TOGO UUL | Cinder cone of KHANUY GOL | Mongolia | |
| IKHA-TOGO-ULA [IKH TOGO UUL] | Cinder cone of KHANUY GOL | Mongolia | |
| IKINCILGOL TEPE | Cone of NEMRUT DAGI | Turkey | |
| IKTUNUP | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| ILAEMAEN (ILAEMANSCHEN) | Synonym of ILIAMNA | Alaska (southwestern) | |
| ILAMATEPEC | Synonym of SANTA ANA | El Salvador & Honduras | |
| ILCHULBONG | Tuff cone of HALLA | Korea | |
| ILDBORG [ELDBORG] | Cone of LJOSUFJOLL | Iceland (western) | |
| ILE | See proper name (e.g. CENDRES, ILE DES) | French for ISLAND | |
| ILHEU DOS MOSTEIROS | Cone of SETE CIDADES | Azores | |
| ILIAMNA | Stratovolcano | Historical | Alaska (southwestern) |
| ILIBOLENG | Stratovolcano | Historical | Lesser Sunda Islands |
| ILIBOTONG | Dome of ILIMUDA | Lesser Sunda Islands | |
| ILIBURAK | Synonym of LEROBOLENG | Lesser Sunda Islands | |
| ILIGRIPE | Dome of ILIWERUNG | Lesser Sunda Islands | |
| ILIINSKAIA, SOPKA | Synonym of ILYINSKY | Kamchatka Peninsula | |
| ILIINSKAYA (ILIINSKY) | Synonym of ILYINSKY | Kamchatka Peninsula | |
| ILIKEDEKA | Stratovolcano | Pleistocene-Fumarolic | Lesser Sunda Islands |
| ILILABALEKAN | Stratovolcano | Fumarolic | Lesser Sunda Islands |
| ILILAMARAP (ILILAMARARAP) | Synonym of ILILABALEKAN | Lesser Sunda Islands | |
| ILILEWOTO (ILILEWOTOLO) | Synonym of LEWOTOLO | Lesser Sunda Islands | |
| ILIMOEDA | Synonym of ILIMUDA | Lesser Sunda Islands | |
| ILIMONJET | Dome of ILIWERUNG | Lesser Sunda Islands | |
| ILIMUDA | Stratovolcano | Fumarolic | Lesser Sunda Islands |
| ILINA | Synonym of ILYINSKY | Kamchatka Peninsula | |
| ILINITZA | Synonym of ILLINIZA | Ecuador | |
| ILINIZA | Synonym of ILLINIZA | Ecuador | |
| ILINSKY | Synonym of ILYINSKY | Kamchatka Peninsula | |
| ILIPENUTUN | Dome of ILIWERUNG | Lesser Sunda Islands | |
| ILIPETRUS [ILIGRIPE] | Dome of ILIWERUNG | Lesser Sunda Islands | |
| ILIPOEGORA | Synonym of ILIWERUNG | Lesser Sunda Islands | |
| ILITEBULELE | Cone of ILILABALEKAN | Lesser Sunda Islands | |
| ILIWEROENG | Synonym of ILIWERUNG | Lesser Sunda Islands | |
| ILIWERUNG | Complex volcano | Historical | Lesser Sunda Islands |
| ILIWOKAR | Cone of LEWOTOBI | Lesser Sunda Islands | |
| ILIYIN SOPKA | Synonym of ILYINSKY | Kamchatka Peninsula | |
| ILLAHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| ILLAHRAUN | Crater Row of HOFSJOKULL | Iceland (southwestern) | |
| ILLANO | Synonym of MAKATURING | Mindanao | |
| ILLANO | Synonym of RAGANG | Mindanao | |
| ILLASCAR | Synonym of LASCAR | Northern Chile, Bolivia & Argentina | |
| ILLI, PUU O | Cone of HALEAKALA | Hawaiian Islands | |
| ILLIHNUKUR | Tuya of TORFAJOKULL | Iceland (southern) | |
| ILLINIZA | Stratovolcano | Holocene | Ecuador |
| ILLINIZA NORTE | Stratovolcano of ILLINIZA | Ecuador | |
| ILLINIZA SUR | Stratovolcano of ILLINIZA | Ecuador | |
| ILLVIDRAHNJUKAHRAUN | Fissure vent of HOFSJOKULL | Iceland (southwestern) | |
| ILONGO | Dome of SW USANGU BASIN | Africa (eastern) | |
| ILOPANGO | Caldera | Historical | El Salvador & Honduras |
| ILYAMINSKAYA | Synonym of ILIAMNA | Alaska (southwestern) | |
| ILYINSKY | Stratovolcano | Historical | Kamchatka Peninsula |
| IMAC HILL | Cone of SAN PABLO VOLCANIC FIELD | Luzon | |
| IMBABURA | Compound volcano | Radiocarbon | Ecuador |
| IMMERUTA | Thermal Feature of LIPARI | Italy | |
| IMORIGASHIRO | Dome of TSURUMI | Ryukyu Islands & Kyushu | |
| IMPERIAL | Synonym of LLAIMA | Central Chile & Argentina | |
| IMUN | Unknown | Holocene? | Sumatra |
| IMURUK LAKE | Shield volcanoes | Radiocarbon | Alaska (western) |
| IN EZZANE VOLCANIC FIELD | Volcanic field | Holocene? | Africa (northern) |
| INABOSHI-YAMA | Dome of KUJU | Ryukyu Islands & Kyushu | |
| INAKIR | Fissure vent of MANDA-INAKIR | Africa (northeastern) & Red Sea | |
| INAMURA-DAKE | Cone of KIKAI | Ryukyu Islands & Kyushu | |
| INAO-YAMA | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| INARICHI | Cinder cone of UDOKAN PLATEAU | Russia (southeastern) | |
| INATORI GROUP | Crater of IZU-TOBU | Honshu | |
| INCAHUASI, NEVADO DE | Stratovolcanoes | Holocene? | Northern Chile, Bolivia & Argentina |
| INCEKAYA | Tuff cone of NEMRUT DAGI | Turkey | |
| INDE | Crater of LOWER CHINDWIN | Southeast Asia | |
| INDEFATIGABLE | Synonym of SANTA CRUZ | Galápagos Islands | |
| INDIAN BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| INDIAN BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| INDIAN BUTTE | Cone of MEDICINE LAKE | USA (California) | |
| INDIAN HEAVEN | Shield volcanoes | Radiocarbon | USA (Washington) |
| INDIAN PASS | Cinder cone of GLACIER PEAK | USA (Washington) | |
| INDIAN POND | Crater of YELLOWSTONE | USA (Wyoming) | |
| INDOOLI MOUNTAIN | Cone of NUNIVAK ISLAND | Alaska (western) | |
| INDRAPURA, PEAK OF | Synonym of KERINCI | Sumatra | |
| INE RUA | Thermal Feature of POCO LEOK | Lesser Sunda Islands | |
| INERI | Synonym of INIERIE | Lesser Sunda Islands | |
| INFANTES, LOS [SIETE FUENTES] | Cinder cone of TENERIFE | Canary Islands | |
| INFERNO | Cone of CRATERS OF THE MOON | USA (Idaho) | |
| INFIERNILLO | Volcanic field | Radiocarbon | Central Chile & Argentina |
| INFIERNILLOS CIEGOS DE CANDELARIA SAN VICENTE | Thermal Feature of SAN VICENTE | El Salvador & Honduras | |
| INFIERNILLOS DE CHINAMECA | Thermal Feature of CHINAMECA | El Salvador & Honduras | |
| INGAKSLUGWAT HILLS | Cinder cones | Holocene | Alaska (western) |
| INGAMAKIT | Dome of UDOKAN PLATEAU | Russia (southeastern) | |
| INGENIO, EL [CERRO LA CELOSA] | Cone of OLLAGUE | Northern Chile, Bolivia & Argentina | |
| INGILOFOTSY | Dome of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| INGLES, PICO [GUARARI] | Cinder cone of BARVA | Costa Rica | |
| INGO | Cone of KARISIMBI | Africa (central) | |
| INGRI BUTTE | Cone of NUNIVAK ISLAND | Alaska (western) | |
| INGRIJOAK HILLS | Cone of NUNIVAK ISLAND | Alaska (western) | |
| INGRILUKAT-NASKORAT HILL | Cone of NUNIVAK ISLAND | Alaska (western) | |
| INGRIRUK HILL | Cone of NUNIVAK ISLAND | Alaska (western) | |
| INIE LIKA | Synonym of INIELIKA | Lesser Sunda Islands | |
| INIE RIE | Synonym of INIERIE | Lesser Sunda Islands | |
| INIELIKA | Complex volcano | Historical | Lesser Sunda Islands |
| INIELIKA, WOLO | Crater of INIELIKA | Lesser Sunda Islands | |
| INIERIE | Stratovolcano | Radiocarbon | Lesser Sunda Islands |
| INMAN NUNATAK | Cone of HUDSON MOUNTAINS | Antarctica & South Sandwich Islands | |
| INN, CERRO | Cone of SANTIAGO | Galápagos Islands | |
| INNACCESIBLE CONES | Cinder cone of BELKNAP | USA (Oregon) | |
| INNDALSMOYA-STAKKEN | Dome of JAN MAYEN | Atlantic Ocean (Jan Mayen) | |
| INREROW ATAMWAN | Stratovolcano of ANEITYUM | Vanuatu | |
| INUKURA-YAMA | Stratovolcano of IWATE | Honshu | |
| INUNUMURI | Cone of DAKATAUA | New Britain | |
| INUSUZUMI-YAMA | Cone of FUJI | Honshu | |
| INYENYESE | Cone of KIEYO | Africa (eastern) | |
| INYO CRATERS | Lava domes | Radiocarbon | USA (California) |
| INZOLFATA | Thermal Feature of LIPARI | Italy | |
| IO [KUDRIAVY] | Stratovolcano of MEDVEZHIA | Kuril Islands | |
| IO SAN [CHERNY] | Stratovolcano of CHIRPOI | Kuril Islands | |
| IO-SIMA | Synonym of IOTO [IWO-JIMA] | Izu, Volcano, & Mariana Islands | |
| IO-TORI-SIMA | Synonym of IWO-TORI-SHIMA | Ryukyu Islands & Kyushu | |
| IO-YAMA | Synonym of EBEKO | Kuril Islands | |
| IO-YAMA [IYUZAN] | Pyroclastic Cone of IZU-TOBU | Honshu | |
| IOTO | Synonym of IOTO [IWO-JIMA] | Izu, Volcano, & Mariana Islands | |
| IOTO [IWO-JIMA] | Caldera | Historical | Izu, Volcano, & Mariana Islands |
| IOZIMA-SINTO [SHOWA-IWO-JIMA] | Dome of KIKAI | Ryukyu Islands & Kyushu | |
| IPALA | Stratovolcano | Holocene | Guatemala |
| IPPEKI-KO | Maar of IZU-TOBU | Honshu | |
| IPSWOOT BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| IRADA | Synonym of IRAYA | North of Luzon | |
| IRAMBA | Maar of KIEYO | Africa (eastern) | |
| IRARHRAUN | Fissure vent of EYJAFJALLAJOKULL | Iceland (southern) | |
| IRAYA | Stratovolcano | Historical | North of Luzon |
| IRAZU | Stratovolcano | Historical | Costa Rica |
| IRIGA | Stratovolcano | Holocene | Luzon |
| IRIND | Cone of ARAGATS | Caucasus, Georgia & Armenia | |
| IRIOMOTE-JIMA | Submarine volcano | Historical | Ryukyu Islands & Kyushu |
| IRIOMOTEZIMA | Synonym of IRIOMOTE-JIMA | Ryukyu Islands & Kyushu | |
| IROSIN | Pleistocene caldera of BULUSAN | Luzon | |
| IRRUPUTUNCO | Synonym of IRRUPUTUNCU | Northern Chile, Bolivia & Argentina | |
| IRRUPUTUNCU | Stratovolcano | Historical | Northern Chile, Bolivia & Argentina |
| IRTA ALE | Synonym of ERTA ALE | Africa (northeastern) & Red Sea | |
| IRUPUTUNCU | Synonym of IRRUPUTUNCU | Northern Chile, Bolivia & Argentina | |
| ISABEL, ISLA | Tuff cones | Holocene? | México |
| ISABELLA | Cone of CAMEROON | Africa (western) | |
| ISANNACH (ISANNACHOTSKI) | Synonym of ISANOTSKI | Aleutian Islands | |
| ISANOTSKI | Stratovolcano | Uncertain | Aleutian Islands |
| ISAROG | Stratovolcano | Fumarolic | Luzon |
| ISBIL, JABAL | Stratovolcano of DHAMAR, HARRAS OF | Arabia | |
| ISCHDSCHEA, HARRET [HALA-'L-'ISHQUA] | Tuff cone of 'UWAYRID, HARRAT | Arabia | |
| ISCHIA | Complex volcano | Historical | Italy |
| ISCHIA, ISOLA DELL' | Synonym of ISCHIA | Italy | |
| ISHI-MINE | Dome of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| ISHIBORA | Fissure vent of AKITA-KOMAGA-TAKE | Honshu | |
| 'ISHQUA, HALA-'L- | Tuff cone of 'UWAYRID, HARRAT | Arabia | |
| ISKUT CANYON [ISKUT RIVER] | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| ISKUT RIVER | Cone of ISKUT-UNUK RIVER CONES | Canada | |
| ISKUT-UNUK RIVER CONES | Cinder cones | Radiocarbon | Canada |
| ISLA | See proper name (e.g. ZAPATERA, ISLA) | Spanish for ISLAND | |
| ISLA DEL CERRO [CERRO GRANDE] | Dome of COATEPEQUE CALDERA | El Salvador & Honduras | |
| ISLAND FISSUE | Fissure vent of NORTH SISTER FIELD | USA (Oregon) | |
| ISLAND PARK | Pleistocene caldera of YELLOWSTONE | USA (Wyoming) | |
| ISLETA, LA | Cone of GRAN CANARIA | Canary Islands | |
| ISLETA, LA | Cone of GRAN CANARIA | Canary Islands | |
| ISLONGA (ISLUCA) | Synonym of ISLUGA | Northern Chile, Bolivia & Argentina | |
| ISLOTA | See proper name (e.g. GONZALES, ISLOTA) | Italian for ISLAND | |
| ISLUGA | Stratovolcano | Historical | Northern Chile, Bolivia & Argentina |
| ISOLA | See proper name (e.g. BISENTINA, ISOLA) | Italian for ISLAND | |
| ISOTOCHNIKY | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| ISSAIKYO | Cone of AZUMA | Honshu | |
| ISSANAKSKI | Synonym of ISANOTSKI | Aleutian Islands | |
| ISTMO | Thermal Feature of VULCANO | Italy | |
| ISUAN [MAQUILING] | Stratovolcano of SAN PABLO VOLCANIC FIELD | Luzon | |
| ITAM | Thermal Feature of UNGARAN | Java | |
| ITAMBA | Maar of KIEYO | Africa (eastern) | |
| ITANKIOI | Synonym of PREVO PEAK | Kuril Islands | |
| ITASHIBEONI-IWO-ZAN | Synonym of SHIRETOKO-IWO-ZAN | Hokkaido | |
| ITASIBEONI-IWO-ZAN | Synonym of SHIRETOKO-IWO-ZAN | Hokkaido | |
| ITASY VOLCANIC FIELD | Scoria cones | Radiocarbon | Indian Ocean (western) |
| ITENDE | Maar of KIEYO | Africa (eastern) | |
| ITETE | Cone of KIEYO | Africa (eastern) | |
| ITHNAIN | Synonym of ITHNAYN, HARRAT | Arabia | |
| ITHNAYN, HARRAT | Volcanic field | Holocene | Arabia |
| ITHUNDU | Cone of CHYULU HILLS | Africa (eastern) | |
| ITIBISINAI | Synonym of GOLOVNIN | Kuril Islands | |
| ITINO-IKE [ICHINO-IKE] | Crater of ON-TAKE | Honshu | |
| ITINO-IKE [ICHINO-IKE] | Crater of NORIKURA | Honshu | |
| ITINOMEGATA [ICHINOMEGATA] | Maar of MEGATA | Honshu | |
| ITSCHINSKIJ | Synonym of ICHINSKY | Kamchatka Peninsula | |
| ITTISA | Cone of GEDAMSA | Africa (northeastern) & Red Sea | |
| IVAN GROZNY | Somma volcano of GROZNY GROUP | Kuril Islands | |
| IVANOV | Dome of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| IVAO GROUP | Cinder cones | Holocene | Kuril Islands |
| IVERSON CREEK VOLC FIELD | Volcanic field of TUYA VOLCANIC FIELD | Canada | |
| IVTH NATIONAL VOLC CONGRESS | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| IWA-YAMA | Synonym of SMIRNOV | Kuril Islands | |
| IWAGOKEKODANI | Shield volcano of WASHIBA-KUMONOTAIRA | Honshu | |
| IWAIGO-DAKE | Dome of KUJU | Ryukyu Islands & Kyushu | |
| IWAKI | Stratovolcano | Historical | Honshu |
| IWAKI-SAN | Dome of IWAKI | Honshu | |
| IWALE | Crater of KIEYO | Africa (eastern) | |
| IWANO-YAMA | Dome of IZU-TOBU | Honshu | |
| IWANOKUBO | Cone of IZU-TOBU | Honshu | |
| IWANOKUBO | Cone of IZU-TOBU | Honshu | |
| IWAONUPURI | Dome of NISEKO | Hokkaido | |
| IWATE | Complex volcano | Historical | Honshu |
| IWATE-FUJI (IWATE-HUZI) | Synonym of IWATE | Honshu | |
| IWIKAU | Vent of RUAPEHU | New Zealand | |
| IWO-DAKE | Cone of IWO-TORI-SHIMA | Ryukyu Islands & Kyushu | |
| IWO-DAKE | Dome of KIKAI | Ryukyu Islands & Kyushu | |
| IWO-DAKE | Synonym of YAKE-DAKE | Honshu | |
| IWO-JIMA-SHINTO [SHOWA-IWO-JIMA] | Dome of KIKAI | Ryukyu Islands & Kyushu | |
| IWO-TORI-SHIMA | Complex volcano | Historical | Ryukyu Islands & Kyushu |
| IWO-YAMA | Dome of KIRISHIMA | Ryukyu Islands & Kyushu | |
| IWO-YAMA | Synonym of ADATARA | Honshu | |
| IWO-YAMA | Cone of TORI-SHIMA | Izu, Volcano, & Mariana Islands | |
| IWO-ZAN | Synonym of EBEKO | Kuril Islands | |
| IWO-ZIMA | Synonym of IOTO [IWO-JIMA] | Izu, Volcano, & Mariana Islands | |
| IXPACO, LAGUNA | Tuff ring of TECUAMBURRO | Guatemala | |
| IXTACCIHUATL | Synonym of IZTACCIHUATL | México | |
| IXTEPECE | Synonym of IXTEPEQUE | Guatemala | |
| IXTEPEQUE | Lava domes | Holocene | Guatemala |
| IXTETAL | Dome of CUMBRES, LAS | México | |
| IXTLAN, GEYSERS DE | Thermal Feature of MICHOACAN-GUANAJUATO | México | |
| IYA | Stratovolcano | Historical | Lesser Sunda Islands |
| IYANG-ARGAPURA | Complex volcano | Holocene | Java |
| IYU-ZAN | Cone of IZU-TOBU | Honshu | |
| IYUZAN | Pyroclastic Cone of IZU-TOBU | Honshu | |
| IZALCO | Stratovolcano | Historical | El Salvador & Honduras |
| IZTACCIHUATL | Stratovolcano | Holocene | México |
| IZTACTEPETL | Synonym of IZTACCIHUATL | México | |
| IZTALTETLAC, CERRO | Cinder cone of PAPAYO | México | |
| IZU | Crater of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| IZU-OSHIMA | Synonym of OSHIMA | Izu, Volcano, & Mariana Islands | |
| IZU-TOBU | Pyroclastic cones | Historical | Honshu |
| IZU-TORI-SHIMA | Synonym of TORI-SHIMA | Izu, Volcano, & Mariana Islands | |
| IZUMBWE-MPOLI | Pyroclastic cones | Holocene | Africa (eastern) |
| JABALI, CERROS DEL | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| JABALI, EL | Stratovolcano of SAN SALVADOR | El Salvador & Honduras | |
| JABALINCITO, EL [SITIO GRANDE] | Crater of SAN SALVADOR | El Salvador & Honduras | |
| JABLE, MONTANA DEL | Cinder cone of HIERRO | Canary Islands | |
| JABONCILLO, CERRO | Cinder cone of AGUA | Guatemala | |
| JABUT, BUKIT [BUKIT CABUT] | Cone of BESAR | Sumatra | |
| JACKMOSKY | Synonym of CHIKURACHKI | Kuril Islands | |
| JACK'S JUMP | Cone of WELLS GRAY-CLEARWATER | Canada | |
| JADI, GUNUNG | Former dome of GALUNGGUNG | Java | |
| JAE PANAS HOT SPRING | Thermal Feature of BRATAN | Lesser Sunda Islands | |
| JAG PEAK | Cone of OKMOK | Aleutian Islands | |
| JAGUEY, EL | Maar of DURANGO VOLCANIC FIELD | México | |
| JAILOLO | Stratovolcano | Holocene | Halmahera |
| JAJARANA, CERRO | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| JALAJALA | Thermal Feature of LAGUNA CALDERA | Luzon | |
| JALAPASQUILLO [XALAPASQUILLO] | Maar of SERDAN-ORIENTAL | México | |
| JALAPASQUILLO [XALAPASQUILLO] | Maar of SERDAN-ORIENTAL | México | |
| JALI [JALLI] | Synonym of YALI | Greece | |
| JALUA | Stratovolcano | Holocene | Africa (northeastern) & Red Sea |
| JAMAKATAN | Cone of PAKA | Africa (eastern) | |
| JAMBANGAN | Caldera of SEMERU | Java | |
| JAMBANGAN | Crater of IYANG-ARGAPURA | Java | |
| JAMES | Synonym of SANTIAGO | Galápagos Islands | |
| JAN MAYEN | Stratovolcano | Historical | Atlantic Ocean (Jan Mayen) |
| JANG | Synonym of IYANG-ARGAPURA | Java | |
| JANGHUDI (JANGUDI) | Synonym of YANGUDI | Africa (northeastern) & Red Sea | |
| JANOO | Cone of ASO | Ryukyu Islands & Kyushu | |
| JAPATI | Crater of GUNTUR | Java | |
| JAPONES | Crater of LLAIMA | Central Chile & Argentina | |
| JARA, CERRO LA | Dome of VALLES CALDERA | USA (New Mexico) | |
| JARAGUAY VOLCANIC FIELD | Cinder cones | Holocene | México |
| JARAPENA, VOLCAN LA | Crater of PINACATE | México | |
| JAR'ATAIN, HARRA OF | Cone of YAR, JABAL | Arabia | |
| JARDBADSHOLAR [BJARNARFLAG] | Crater Row of KRAFLA | Iceland (northeastern) | |
| JARIAN, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| JARRA | Synonym of YAR, JABAL | Arabia | |
| JATUN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| JAWALO | Crater of PALUWEH | Lesser Sunda Islands | |
| JAYU KHOTA, LAGUNA | Maars | Holocene | Northern Chile, Bolivia & Argentina |
| JAYU KKOTA | Synonym of JAYU KHOTA, LAGUNA | Northern Chile, Bolivia & Argentina | |
| JEAN | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| JEBEL | See proper name (e.g. MARRA, JEBEL) | Arabic for MT. | |
| JECHAPITA, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| JEFFERSON | Stratovolcano | Varve Count | USA (Oregon) |
| JEJU | Synonym of HALLA | Korea | |
| JELLICOE PARK | Cone of AUCKLAND FIELD | New Zealand | |
| JEMEZ SPRINGS | Thermal Feature of VALLES CALDERA | USA (New Mexico) | |
| JEMEZ VOLC FIELD | Synonym of VALLES CALDERA | USA (New Mexico) | |
| JENCHANA, VOLCAN | Cinder cone of ANDAHUA-ORCOPAMPA | Perú | |
| JENOY | Pleistocene caldera of GALERAS | Colombia | |
| JEREMINE | Crater of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| JERO | Crater of ARJUNO-WELIRANG | Java | |
| JESUS DEL MONTE, CERRO | Cinder cone of COMONDU-LA PURISIMA | México | |
| JESUS GRANDE, ISLA DE | Lava cone of ZAPATERA | Nicaragua | |
| JGOREWSKIJ | Synonym of DZENZURSKY | Kamchatka Peninsula | |
| JIANSHUIDINGZI | Cone of LONGGANG GROUP | China (eastern) | |
| JIAOSHAN | Cone of TENGCHONG | Southeast Asia | |
| JIBAL | See proper name (e.g. DIBA' AL HURUS, JIBAL) | Arabic for MT. | |
| JIBBEL | See proper name (e.g. TIR, JIBBEL) | Arabic for MT. | |
| JICALAN, CERRO DE | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| JIGABO | Thermal Feature of MALINAO | Luzon | |
| JIGOKU | Thermal Feature of ASO | Ryukyu Islands & Kyushu | |
| JIGOKU | Crater of ON-TAKE | Honshu | |
| JIGOKU | Thermal Feature of OSORE-YAMA | Honshu | |
| JIGOKU SPA | Vent of ASO | Ryukyu Islands & Kyushu | |
| JIGOKU YAMA [TREZUBETZ] | Somma volcano of KOLOKOL GROUP | Kuril Islands | |
| JIGOKU-ATO | Crater of UNZEN | Ryukyu Islands & Kyushu | |
| JIGOKU-DANI | Crater of TATE-YAMA | Honshu | |
| JIGOKU-DANI | Pyroclastic Cone of KUTTARA | Hokkaido | |
| JIGOKU-NO-OANA | Crater of HAKU-SAN | Honshu | |
| JIGOKU-NUMA | Crater of HAKKODA GROUP | Honshu | |
| JII-DAKE | Shield volcano of WASHIBA-KUMONOTAIRA | Honshu | |
| JILGUERO, CERRO EL | Dome of AZUFRES, LOS | México | |
| JILOA | Caldera of APOYEQUE | Nicaragua | |
| JIM JIM, THE | Cone of NEWER VOLCANICS PROV | Australia | |
| JIMAT | Cone of DIENG VOLCANIC COMPLEX | Java | |
| JINAKA-YAMA | Dome of NII-JIMA | Izu, Volcano, & Mariana Islands | |
| JINAMAR, MONTANA | Cone of GRAN CANARIA | Canary Islands | |
| JINETSU HOT SPRINGS | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| JING-BEI (JINGBOHU, JINGPOHU) | Synonym of JINGBO | China (eastern) | |
| JINGBO | Volcanic field | Radiocarbon | China (eastern) |
| JINGGO, KEPUNDAN | Crater of MARAPI | Sumatra | |
| JINGLONGDINGZI | Pyroclastic Cone of LONGGANG GROUP | China (eastern) | |
| JIROU-UEMONTSUKA | Cone of FUJI | Honshu | |
| JISKOOKSNUK HILL | Cone of NUNIVAK ISLAND | Alaska (western) | |
| JIYUNLING | Cone of LEIZHOU BANDAO | Southeast Asia | |
| JIZO HOT SPRINGS | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| JIZO-DAKE | Dome of AKAGI | Honshu | |
| JIZO-SAN | Dome of ZAO | Honshu | |
| JIZODO GROUP | Vent of IZU-TOBU | Honshu | |
| JIZONO-YU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| JLIAMNA | Synonym of ILIAMNA | Alaska (southwestern) | |
| JOAO FERNANDES, PICO | Cone of AGUA DE PAU | Azores | |
| JOB, MT. | Cone of MEAGER | Canada | |
| JOBOSHI | Cinder cone of IZU-TOBU | Honshu | |
| JOCOTILLO, CERRO EL | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| JOCOTITLAN | Stratovolcano | Radiocarbon | México |
| JOGLO, MT. | Dome of MURIA | Java | |
| JOGO-YAMA | Dome of KOZU-SHIMA | Izu, Volcano, & Mariana Islands | |
| JOHANN ALBRECHT HAFEN | Caldera of GAROVE | New Britain | |
| JOHN, MORNE | Dome of WATT, MORNE | West Indies | |
| JOHNSON GLACIER | Dome of ILIAMNA | Alaska (southwestern) | |
| JOKULSTALLAR | Shield volcano of HVERAVELLIR | Iceland (southwestern) | |
| JOLO | Pyroclastic cones | Historical | Sulu Islands |
| JOLO | Pyroclastic cones | Historical | Sulu Islands |
| JOLOM, CERRO | Dome of SANTO TOMAS | Guatemala | |
| JOLOTEPEC, CERRO LOS | Cinder cone of GLORIA, LA | México | |
| JONGGRING SELOKO | Crater of SEMERU | Java | |
| JORDA, PUIG | Cone of OLOT VOLCANIC FIELD | Western Europe | |
| JORDAN CRATERS | Volcanic field | Radiocarbon | USA (Oregon) |
| JORGENCAL (JORJENCAL) | Synonym of PUTANA | Northern Chile, Bolivia & Argentina | |
| JORMAJAN, MT. | Dome of BULUSAN | Luzon | |
| JOROBADO | Synonym of CORCOVADO | Southern Chile & Argentina | |
| JORULLO | Cinder cone of MICHOACAN-GUANAJUATO | México | |
| JOSEPHINE, MT. | Cone of TUYA VOLCANIC FIELD | Canada | |
| JOYA DE LIMON, CERRITO | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| JOYA, CERRO LA | Cinder cone of COMONDU-LA PURISIMA | México | |
| JOYA, CERRO LA | Cinder cone of CHICHINAUTZIN | México | |
| JOYA, LA | Cinder cone of COFRE DE PEROTE | México | |
| JOYA, LA | Cinder cone of SAN SALVADOR | El Salvador & Honduras | |
| JOYA, LA | Maar of PILAS, LAS | Nicaragua | |
| JOYA, LA | Vent of GRANADA | Nicaragua | |
| JOYA, LA | Crater of GALERAS | Colombia | |
| JRBASHYANA | Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| JUAN MURILLO | Cinder cone of PLATANAR | Costa Rica | |
| JUAN PERDOMO, MONTANA DE | Cone of LANZAROTE | Canary Islands | |
| JUANACANLA | Cone of ZITACUARO-VALLE DE BRAVO | México | |
| JUBAN, MT. | Cone of BULUSAN | Luzon | |
| JUBILEE [YUBILEINOYE] | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| JUCUAPA | Synonym of TIGRE, EL | El Salvador & Honduras | |
| JUEOCKACK | Cone of HALLA | Korea | |
| JULAN, MONTANAS DE | Cinder cone of HIERRO | Canary Islands | |
| JULIEN, MORNE | Cone of PELEE | West Indies | |
| JUMAYTEPEQUE | Stratovolcano | Holocene? | Guatemala |
| JUMENTO | Cinder cone of CHICHINAUTZIN | México | |
| JUMES, PUY DE | Cone of CHAINE DES PUYS | Western Europe | |
| JUNACANILA, CERRO | Cinder cone of ZITACUARO-VALLE DE BRAVO | México | |
| JUNGA-IKE | Crater of YAKE-DAKE | Honshu | |
| JUNIOR'S KOP | Cinder cone of MARION ISLAND | Indian Ocean (southern) | |
| JUNQUILLO NORTE, CERRO EL | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| JUNQUILLO SUR, CERRO EL | Cinder cone of CUILAPA-BARBARENA | Guatemala | |
| JUNQUILLO, CERRO | Cinder cone of SAN DIEGO | El Salvador & Honduras | |
| JUNTA, CERRO LA | Cinder cone of COMONDU-LA PURISIMA | México | |
| JURANG SIUNIK | Crater of SORIKMARAPI | Sumatra | |
| JURIG, KAWAH | Crater of TANGKUBANPARAHU | Java | |
| JURIQUES, VOLCAN | Stratovolcano of LICANCABUR | Northern Chile, Bolivia & Argentina | |
| JUTE, CERRO DEL | Cinder cone of MOYUTA | Guatemala | |
| JUTIAPA GROUP | Synonym of SANTIAGO, CERRO | Guatemala | |
| JYOBU HOT SPRINGS | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| JYOGAHANA | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| JÖRUNDUR | Dome of KRAFLA | Iceland (northeastern) | |
| KA MOA O PELE | Cone of HALEAKALA | Hawaiian Islands | |
| KA-ER-DAXI [ASHI SHAN] | Cinder cone of KUNLUN VOLCANIC GROUP | China (western) | |
| KAABA | Synonym of KABA | Sumatra | |
| KAALKOPPIE | Tuff cone of MARION ISLAND | Indian Ocean (southern) | |
| KABA | See proper name (e.g. BARU, KABA) | Indonesian for CRATER | |
| KABA | Stratovolcano | Historical | Sumatra |
| KABARGIN OTH GROUP | Cinder cones | Holocene | Caucasus, Georgia & Armenia |
| KABARUGI | Crater of BUNYARUGURU | Africa (central) | |
| KABINLANGAN | Thermal Feature of CAGUA | Luzon | |
| KABIRANJUMA | Crater of MUHAVURA | Africa (central) | |
| KABIU [KOMBIU] | Stratovolcano of RABAUL | New Britain | |
| KABUJUTAN [KABUYUTAN] | Crater of GUNTUR | Java | |
| KABUN BUNGO [KEBUN BUNGO] | Crater of MARAPI | Sumatra | |
| KABUTO-YAMA | Cone of AZUMA | Honshu | |
| KABUYUTAN | Crater of GUNTUR | Java | |
| KADIENDI NAE | Dome of TAMBORA | Lesser Sunda Islands | |
| KADJOR [KAJOR] | Fissure vent of MERBABU | Java | |
| KADOGO | Cone of NYAMURAGIRA | Africa (central) | |
| KADONO | Cinder cone of IZU-TOBU | Honshu | |
| KADOVAR | Stratovolcano | Holocene | Northeast of New Guinea |
| KADOWAKI-KAIKYU | Submarine vent of IZU-TOBU | Honshu | |
| KADYR-SUGSKII | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| KADYR-TAYGA | Shield volcano of AZAS PLATEAU | Russia (southeastern) | |
| KAGAMIL | Stratovolcano | Historical | Aleutian Islands |
| KAGANO | Cone of NYAMURAGIRA | Africa (central) | |
| KAGO-YAMA | Dome of ADATARA | Honshu | |
| KAGODE | Tuff cone of FORT PORTAL | Africa (central) | |
| KAGUSA HOT SPRINGS | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| KAGUYAK | Lava domes | Holocene | Alaska Peninsula |
| KAHAUALEA, PUU | Cone of KILAUEA | Hawaiian Islands | |
| KAHE KAHE | Synonym of FALCON ISLAND | Tonga Islands | |
| KAHEKAHE TANGATA | Synonym of METIS SHOAL | Tonga Islands | |
| KAHOLUA O KAHAWALI | Cone of KILAUEA | Hawaiian Islands | |
| KAHONGOLE | Cone of NYAMURAGIRA | Africa (central) | |
| KAHUWAI | Pit crater of KILAUEA | Hawaiian Islands | |
| KAIA [TAVURVUR] | Stratovolcano of RABAUL | New Britain | |
| KAIAMU | Maar of SULU RANGE | New Britain | |
| KAIBUN [KAIMON] | Stratovolcano of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| KAIKATA SEAMOUNT | Submarine volcano | Fumarolic | Izu, Volcano, & Mariana Islands |
| KAIKOHE | Cone of KAIKOHE-BAY OF ISLANDS | New Zealand | |
| KAIKOHE-BAY OF ISLANDS | Volcanic field | Radiocarbon | New Zealand |
| KAILENEY | Shield volcano | Holocene? | Kamchatka Peninsula |
| KAILIA | Thermal Feature of NISYROS | Greece | |
| KAILUPA | Cone of JAILOLO | Halmahera | |
| KAIMALOO | Cone of HALEAKALA | Hawaiian Islands | |
| KAIMANAWA | Dome of MAROA | New Zealand | |
| KAIMENI [KAMENO VOUNO] | Dome of METHANA | Greece | |
| KAIMON | Stratovolcano of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| KAINO-SEMIACHIK [CENO-SEMIACHIK] | Stratovolcano of MALY SEMIACHIK | Kamchatka Peninsula | |
| KAIRURU | Dome of REPOROA | New Zealand | |
| KAISEINISHINOBA | Submarine vent of IOTO [IWO-JIMA] | Izu, Volcano, & Mariana Islands | |
| KAISENOBA | Synonym of KITA-FUKUTOKUTAI | Izu, Volcano, & Mariana Islands | |
| KAISER WILHELM MOUNTAIN | Synonym of HEARD | Indian Ocean (southern) | |
| KAITOKU KAIZAN | Synonym of KAITOKU SEAMOUNT | Izu, Volcano, & Mariana Islands | |
| KAITOKU SEAMOUNT | Submarine volcano | Historical | Izu, Volcano, & Mariana Islands |
| KAITOKU-OKANOBA | Synonym of KAITOKU SEAMOUNT | Izu, Volcano, & Mariana Islands | |
| KAJIANA | Crater of TO-SHIMA | Izu, Volcano, & Mariana Islands | |
| KAJONGO | Tuff cone of FORT PORTAL | Africa (central) | |
| KAJOR | Fissure vent of MERBABU | Java | |
| KAKAMBUI | Cone of CHYULU HILLS | Africa (eastern) | |
| KAKHTANA | Shield volcano of VOYAMPOLSKY | Kamchatka Peninsula | |
| KAKO | Crater of BUNYARUGURU | Africa (central) | |
| KAKORINYA | Shield volcano of BARRIER, THE | Africa (eastern) | |
| KALAIEHA, PUU | Cone of MAUNA KEA | Hawaiian Islands | |
| KALALUA | Cone of KILAUEA | Hawaiian Islands | |
| KALAMBIS | Thermal Feature of BILIRAN | Central Philippines | |
| KALAMOS | Thermal Feature of MILOS | Greece | |
| KALANG | Synonym of KARANG | Java | |
| KALATUNGAN | Stratovolcano | Holocene? | Mindanao |
| KALAWANGAN | Thermal Feature of PINATUBO | Luzon | |
| KALE TEPE | Dome of NEMRUT DAGI | Turkey | |
| KALECI | Dome of ACIGOL-NEVSEHIR | Turkey | |
| KALEETAN BUTTE | Dome of SOUTH SISTER | USA (Oregon) | |
| KALEM | Cone of WEST EIFEL VOLCANIC FIELD | Western Europe | |
| KALEPEAMOA, PUU | Cone of MAUNA KEA | Hawaiian Islands | |
| KALFADALSHRAUN | Crater Row of BRENNISTEINSFJOLL | Iceland (southwestern) | |
| KALFELLSHRAUN | Crater Row of REYKJANES | Iceland (southwestern) | |
| KALFSHOLAR | Crater Row of GRIMSNES | Iceland (southwestern) | |
| KALGNITUNUP | Stratovolcano of KEBENEY | Kamchatka Peninsula | |
| KALIANGO [KALYANGO] | Tuff cone of FORT PORTAL | Africa (central) | |
| KALIKIIR | Crater of SIRUNG | Lesser Sunda Islands | |
| KALIU | Cone of KILAUEA | Hawaiian Islands | |
| KALNANG'I SPRINGS | Thermal Feature of SILALI | Africa (eastern) | |
| KALOLENYANG | Shield volcano of BARRIER, THE | Africa (eastern) | |
| KALUAIKI | Cone of HALEAKALA | Hawaiian Islands | |
| KALUBU CRATER [DORO API] | Cone of SANGEANG API | Lesser Sunda Islands | |
| KALUU O KA OO | Cone of HALEAKALA | Hawaiian Islands | |
| KALYANGO | Tuff cone of FORT PORTAL | Africa (central) | |
| KAMA-YAMA | Pyroclastic Cone of ASAMA | Honshu | |
| KAMABUSE-YAMA | Dome of OSORE-YAMA | Honshu | |
| KAMADO-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| KAMAFUSE-YAMA | Synonym of OSORE-YAMA | Honshu | |
| KAMAKAIA | Shield volcano of KILAUEA | Hawaiian Islands | |
| KAMAKAIAUKA | Cone of KILAUEA | Hawaiian Islands | |
| KAMAKAIAWAENA | Cone of KILAUEA | Hawaiian Islands | |
| KAMANE | Maar of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| KAMAOLI | Cone of HALEAKALA | Hawaiian Islands | |
| KAMARI | Pleistocene caldera of KOS | Greece | |
| KAMBALNAIA, SOPKA | Synonym of KAMBALNY | Kamchatka Peninsula | |
| KAMBALNY | Stratovolcano | Historical | Kamchatka Peninsula |
| KAMCHATKA PEAK | Synonym of BAKENING | Kamchatka Peninsula | |
| KAMCHATSKAIA GORA | Synonym of KLIUCHEVSKOI | Kamchatka Peninsula | |
| KAMCHATSKY VULKAN | Synonym of KLIUCHEVSKOI | Kamchatka Peninsula | |
| KAMEGA-IKE | Crater of NORIKURA | Honshu | |
| KAMEGA-IKE | Crater of NORIKURA | Honshu | |
| KAMEGAWA | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| KAMEHAME HILL | Cone of KILAUEA | Hawaiian Islands | |
| KAMEN | Stratovolcano | Holocene | Kamchatka Peninsula |
| KAMENAE | Dome of SANTORINI | Greece | |
| KAMENI [KAMENO VOUNO] | Dome of METHANA | Greece | |
| KAMENISTAYA | Cone of KSUDACH | Kamchatka Peninsula | |
| KAMENISTAYA | Cinder cone of TOLBACHIK | Kamchatka Peninsula | |
| KAMENO VOUNO | Dome of METHANA | Greece | |
| KAMERUNGEBIRGE | Synonym of CAMEROON | Africa (western) | |
| KAMI-HOROKAMETTOKU-YAMA | Stratovolcano of TOKACHI | Hokkaido | |
| KAMI-YAMA | Dome of HAKONE | Honshu | |
| KAMI-YUZAWA | Dome of KUJU | Ryukyu Islands & Kyushu | |
| KAMIBORI | Crater of YAKE-DAKE | Honshu | |
| KAMIJI-YAMA | Synonym of FUJI | Honshu | |
| KAMINAKIA | Vent of NISYROS | Greece | |
| KAMMOURTA | Cone of MANDA-INAKIR | Africa (northeastern) & Red Sea | |
| KAMOAMOA, PUU | Cone of KILAUEA | Hawaiian Islands | |
| KAMODJAN (KAMOJAN) | Synonym of KAMOJANG, KAWAH | Java | |
| KAMOJANG, KAWAH | Stratovolcanoes | Pleistocene-Fumarolic | Java |
| KAMOSHIKA | Thermal Feature of ZAO | Honshu | |
| KAMTSCHATSKAJA | Synonym of KLIUCHEVSKOI | Kamchatka Peninsula | |
| KAMUI | Cone of DEMON | Kuril Islands | |
| KAMUINUPURI | Stratovolcano of MASHU | Hokkaido | |
| KAMUISHI | Dome of MASHU | Hokkaido | |
| KAMUISHUTO [KAMUISHI] | Dome of MASHU | Hokkaido | |
| KAMUISSYUTO [KAMUISHI] | Dome of MASHU | Hokkaido | |
| KAMUNZUKWA | Crater of BUNYARUGURU | Africa (central) | |
| KANA | Cone of EDZIZA | Canada | |
| KANA KEOKI | Submarine volcano | Holocene | Bougainville & Solomon Islands |
| KANAGA | Stratovolcano | Historical | Aleutian Islands |
| KANAGIOI | Stratovolcano of KARKAR | Northeast of New Guinea | |
| KANAKALEONUI, PUU | Cone of MAUNA KEA | Hawaiian Islands | |
| KANAKANA | Dome of OKATAINA | New Zealand | |
| KANAMHARAGI | Cone of NYAMURAGIRA | Africa (central) | |
| KANASO | Maar of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| KANATON | Shield volcano of KANAGA | Aleutian Islands | |
| KANAVA | Thermal Feature of MILOS | Greece | |
| KANDIDUSHKA | Cinder cone of VITIM PLATEAU | Russia (southeastern) | |
| KANDO-YAMA | Crater of HACHIJO-JIMA | Izu, Volcano, & Mariana Islands | |
| KANE NUI O HAMO | Shield volcano of KILAUEA | Hawaiian Islands | |
| KANEDA | Dome of OMANAGO GROUP | Honshu | |
| KANGAROO HILL | Cone of NEWER VOLCANICS PROV | Australia | |
| KANGIRINYANG | Maar of EMURUANGOGOLAK | Africa (eastern) | |
| KANI-NUMA | Crater of AKITA-YAKE-YAMA | Honshu | |
| KANLAON | Stratovolcano | Historical | Central Philippines |
| KANNAWA-JIGOKU | Thermal Feature of TSURUMI | Ryukyu Islands & Kyushu | |
| KANNON-MORI | Cone of CHOKAI | Honshu | |
| KANNONE KAIKYU | Submarine vent of YOKOATE-JIMA | Ryukyu Islands & Kyushu | |
| KANNONE-JIMA | Cone of YOKOATE-JIMA | Ryukyu Islands & Kyushu | |
| KANNONYAMA-HIGASHI | Cone of IZU-TOBU | Honshu | |
| KANPO-DAKE | Cinder cone of OSHIMA-OSHIMA | Hokkaido | |
| KANSU-YAMA | Cone of FUJI | Honshu | |
| KANYAMBUZI | Cone of NYIRAGONGO | Africa (central) | |
| KANYMAGASHU | Cone of NYIRAGONGO | Africa (central) | |
| KAO | Stratovolcano | Holocene | Tonga Islands |
| KAOLKHON | Synonym of ICHINSKY | Kamchatka Peninsula | |
| KAPAYAHAN | Crater of PACO | Mindanao | |
| KAPBERG | Stratovolcano of LOLO | New Britain | |
| KAPEDO HOT SPRINGS | Thermal Feature of SILALI | Africa (eastern) | |
| KAPELLUGIGAR | Crater Row of KRISUVIK | Iceland (southwestern) | |
| KAPI FUMAROLE FIELD | Thermal Feature of KEMBAR | Sumatra | |
| KAPKAI | Thermal Feature of AMBITLE | New Ireland | |
| KAPOHO | Tuff cone of KILAUEA | Hawaiian Islands | |
| KAPOR, PITON | Fissure vent of FOURNAISE, PITON DE LA | Indian Ocean (western) | |
| KAPUNDAN | See proper name (e.g. BONGSU, KAPUNDAN) | Indonesian for CRATER | |
| KAPUSIKEJU | Cone of EMURUANGOGOLAK | Africa (eastern) | |
| KAR, LAS | Synonym of LASCAR | Northern Chile, Bolivia & Argentina | |
| KARA DIVLIT TEPE | Cinder cone of KULA | Turkey | |
| KARA-GAMA | Crater of KUSATSU-SHIRANE | Honshu | |
| KARA-YAMA | Stratovolcano of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| KARABUKI | Thermal Feature of KUSATSU-SHIRANE | Honshu | |
| KARACA DAG | Shield volcano | Holocene | Turkey |
| KARACALIDAG | Synonym of KARACA DAG | Turkey | |
| KARAGULU TEPE | Dome of ERCIYES DAGI | Turkey | |
| KARAHA, KAWAH | Fumarole field | Fumarolic | Java |
| KARAI, MOUNT [RUCKENBERG] | Dome of SULU RANGE | New Britain | |
| KARAKULI | Dome of DIKY GREBEN | Kamchatka Peninsula | |
| KARAKUNI-DAKE | Stratovolcano of KIRISHIMA | Ryukyu Islands & Kyushu | |
| KARAMA | Cone of NYAMBENI HILLS | Africa (eastern) | |
| KARAN | Dome of SHIVELUCH | Kamchatka Peninsula | |
| KARANG | Stratovolcano | Holocene? | Java |
| KARANGETANG [API SIAU] | Stratovolcano | Historical | Sangihe Islands |
| KARAPETIANA [UOCHTEPEH] | Pyroclastic Cone of GHEGAM RIDGE | Caucasus, Georgia & Armenia | |
| KARAPINAR FIELD | Cinder cones | Holocene | Turkey |
| KARAPITI [CRATERS OF THE MOON] | Thermal Feature of MAROA | New Zealand | |
| KARASIVRI TEPE | Cone of ERCIYES DAGI | Turkey | |
| KARATALA | Synonym of KARTHALA | Indian Ocean (western) | |
| KARAVIA BAY | Stratovolcano of RABAUL | New Britain | |
| KARAVIOTIS | Dome of NISYROS | Greece | |
| KARE-NUMA | Crater of AKITA-YAKE-YAMA | Honshu | |
| KARIANG | Stratovolcano of DUKONO | Halmahera | |
| KARIMKOTAN | Synonym of KHARIMKOTAN | Kuril Islands | |
| KARIMSKY | Synonym of KARYMSKY | Kamchatka Peninsula | |
| KARISIMBI | Stratovolcano | Potassium-Argon | Africa (central) |
| KARITA-DAKE | Synonym of ZAO | Honshu | |
| KARIYA | Crater of BUNYARUGURU | Africa (central) | |
| KARKAR | Stratovolcano | Historical | Northeast of New Guinea |
| KARNIYARIK | Dome of ACIGOL-NEVSEHIR | Turkey | |
| KARNIYARIK | Cone of ARARAT | Turkey | |
| KARNIYARIK TEPELER | Cone of ERCIYES DAGI | Turkey | |
| KAROLERO | Crater of BUNYARUGURU | Africa (central) | |
| KARPINSKII | Synonym of KARPINSKY GROUP | Kuril Islands | |
| KARPINSKIY | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| KARPINSKY GROUP | Cones | Historical | Kuril Islands |
| KARS PLATEAU | Volcanic field | Holocene? | Turkey |
| KARSA KILE | Maar of MARSABIT | Africa (eastern) | |
| KARSO, KAWAH | Thermal Feature of GALUNGGUNG | Java | |
| KARTALA | Synonym of KARTHALA | Indian Ocean (western) | |
| KARTHALA | Shield volcano | Historical | Indian Ocean (western) |
| KARTIN DAG | Dome of ERCIYES DAGI | Turkey | |
| KARTOLA | Synonym of KARTHALA | Indian Ocean (western) | |
| KARUA | Submarine vent of KUWAE | Vanuatu | |
| KARYMSHINA | Pleistocene caldera of BOLSHE-BANNAYA | Kamchatka Peninsula | |
| KARYMSKAIA SOPKA | Synonym of KARYMSKY | Kamchatka Peninsula | |
| KARYMSKAYA RIVER SPRINGS | Thermal Feature of AKADEMIA NAUK | Kamchatka Peninsula | |
| KARYMSKOE, LAKE | Synonym of AKADEMIA NAUK | Kamchatka Peninsula | |
| KARYMSKY | Maar of AKADEMIA NAUK | Kamchatka Peninsula | |
| KARYMSKY | Stratovolcano | Historical | Kamchatka Peninsula |
| KARYMSKY LAKE | Pleistocene caldera of AKADEMIA NAUK | Kamchatka Peninsula | |
| KARYMSKY LAKE | Pleistocene caldera of AKADEMIA NAUK | Kamchatka Peninsula | |
| KARYMSKY SPRINGS | Thermal Feature of KARYMSKY | Kamchatka Peninsula | |
| KASA-YAMA | Cinder cone of ABU | Honshu | |
| KASAGA-TAKE | Shield volcano of SHIGA | Honshu | |
| KASAKAT HILL | Cone of PAKA | Africa (eastern) | |
| KASATOCHI | Stratovolcano | Historical | Aleutian Islands |
| KASBEK | Stratovolcano | Tephrochronology | Caucasus, Georgia & Armenia |
| KASEGA-DAKE | Dome of IBUSUKI VOLCANIC FIELD | Ryukyu Islands & Kyushu | |
| KASEKERE | Tuff cone of FORT PORTAL | Africa (central) | |
| KASENYI | Tuff cone of KATWE-KIKORONGO | Africa (central) | |
| KASHAKA | Cone of NYIRAGONGO | Africa (central) | |
| KASHIMINE | Stratovolcano of KUCHINOERABU-JIMA | Ryukyu Islands & Kyushu | |
| KASIBOI | Cone of MAHAGNAO | Central Philippines | |
| KASIDIA | Crater of BUNYARUGURU | Africa (central) | |
| KASOLALI | Thermal Feature of PAGO | New Britain | |
| KASSHI-ASAHI-DAKE | Stratovolcano of NASU | Honshu | |
| KASSIGIE [KASSIJIE] | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| KASSIJIE | Cone of ITASY VOLCANIC FIELD | Indian Ocean (western) | |
| KASTANAS | Thermal Feature of MILOS | Greece | |
| KASTRIULYA | Shield volcano of ZAOZERNY | Kamchatka Peninsula | |
| KASUGA | Submarine volcano | Historical | Izu, Volcano, & Mariana Islands |
| KASUGA 1 | Synonym of KASUGA | Izu, Volcano, & Mariana Islands | |
| KASUGA 2 | Synonym of MINAMI KASUGA | Izu, Volcano, & Mariana Islands | |
| KASUGA-KAIZAN | Synonym of KASUGA | Izu, Volcano, & Mariana Islands | |
| KASUGA-MINAMINOBA | Synonym of MINAMI KASUGA | Izu, Volcano, & Mariana Islands | |
| KASUGABA | Synonym of KASUGA | Izu, Volcano, & Mariana Islands | |
| KATABUTA-YAMA N | Cone of FUJI | Honshu | |
| KATABUTA-YAMA S | Cone of FUJI | Honshu | |
| KATAKURA-YAMA | Cone of AKITA-KOMAGA-TAKE | Honshu | |
| KATALIM | Cone of PAKA | Africa (eastern) | |
| KATANUMA | Crater of NARUGO | Honshu | |
| KATASU HILL | Cone of MILBANKE SOUND GROUP | Canada | |
| KATINDA | Crater of BUNYARUGURU | Africa (central) | |
| KATKATKONO | Crater of MEIDOB VOLCANIC FIELD | Africa (northern) | |
| KATLA | Subglacial volcano | Historical | Iceland (southern) |
| KATLAR | Crater Row of KRISUVIK | Iceland (southwestern) | |
| KATLOGIAA | Synonym of KATLA | Iceland (southern) | |
| KATMAI | Stratovolcano | Historical | Alaska Peninsula |
| KATT, CUDDIA DEL | Cone of PANTELLERIA | Italy | |
| KATTA-DAKE | Dome of ZAO | Honshu | |
| KATUBA | Crater of BUNYARUGURU | Africa (central) | |
| KATUBUI | Crater of KIEYO | Africa (eastern) | |
| KATUMBUAN | Dome of LEONARD RANGE | Mindanao | |
| KATUNGA | Tuff cone | Holocene | Africa (central) |
| KATWE | Maar of KATWE-KIKORONGO | Africa (central) | |
| KATWE-KIKORONGO | Tuff cones | Holocene | Africa (central) |
| KAUFFMAN VOLCANO | Shield volcano of ANDRUS | Antarctica & South Sandwich Islands | |
| KAUKA, PUU | Cone of KILAUEA | Hawaiian Islands | |
| KAULET EL-HAURI | Crater of ARHAB, HARRA OF | Arabia | |
| KAULET HATTAB | Tuff cone of ARHAB, HARRA OF | Arabia | |
| KAUMUKI | Cone of KILAUEA | Hawaiian Islands | |
| KAUPULEHU | Cone of HUALALAI | Hawaiian Islands | |
| KAVACHI | Submarine volcano | Historical | Bougainville & Solomon Islands |
| KAVAKLIDAG | Dome of ERCIYES DAGI | Turkey | |
| KAVETERANG | Tuff ring of SILALI | Africa (eastern) | |
| KAWA | Synonym of CAGUA | Luzon | |
| KAWAGODAIRA | Maar of IZU-TOBU | Honshu | |
| KAWAH | See proper name (e.g. BARU, KAWAH) | Indonesian for CRATER | |
| KAWAHKAMOJANG | Synonym of KAMOJANG, KAWAH | Java | |
| KAWAHKARAHA | Synonym of KARAHA, KAWAH | Java | |
| KAWAK BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| KAWANA-MINAMI | Cone of IZU-TOBU | Honshu | |
| KAWAYU-IWO-ZAN [ATOSANUPURI] | Dome of KUTCHARO | Hokkaido | |
| KAWERAU | Thermal Feature of OKATAINA | New Zealand | |
| KAWI-BUTAK | Stratovolcanoes | Holocene | Java |
| KAWITI | Cone of KAIKOHE-BAY OF ISLANDS | New Zealand | |
| KAYABENOBORI | Synonym of KOMAGA-TAKE | Hokkaido | |
| KAYALITEPE | Cone of NEMRUT DAGI | Turkey | |
| KAZAANA | Dome of UNZEN | Ryukyu Islands & Kyushu | |
| KAZAHAYA | Fissure vent of MIYAKE-JIMA | Izu, Volcano, & Mariana Islands | |
| KAZBEK | Synonym of KASBEK | Caucasus, Georgia & Armenia | |
| KEALAALEA HILLS | Shield volcano of KILAUEA | Hawaiian Islands | |
| KEANAKAKOI | Pit crater of KILAUEA | Hawaiian Islands | |
| KEBENEI | Synonym of KEBENEY | Kamchatka Peninsula | |
| KEBENEY | Shield volcano | Holocene? | Kamchatka Peninsula |
| KEBONGO | Cone of KOROSI | Africa (eastern) | |
| KEBRIT ALE | Synonym of GADA ALE | Africa (northeastern) & Red Sea | |
| KEBUN BUNGO | Crater of MARAPI | Sumatra | |
| KECHII [KURAISWA] | Vent of KOROSI | Africa (eastern) | |
| KECHUCAVI OF MOLINA | Synonym of MINCHINMAVIDA | Southern Chile & Argentina | |
| KECIL, DANAU | Crater of TALANG | Sumatra | |
| KECIL, KABA [BARU, KABA] | Crater of KABA | Sumatra | |
| KECIRI, GUNUNG | Pleistocene caldera of TENGGER CALDERA | Java | |
| KEFELI | Cone of ERCIYES DAGI | Turkey | |
| KEFENLI TEPE | Cone of ERCIYES DAGI | Turkey | |
| KEIGETSU-DAKE | Dome of DAISETSU | Hokkaido | |
| KEIGETU-DAKE [KEIGETSU-DAKE] | Dome of DAISETSU | Hokkaido | |
| KEILAMBETE, LAKE | Maar of NEWER VOLCANICS PROV | Australia | |
| KEIZUKA-YAMA | Shield volcano of NIKKO-SHIRANE | Honshu | |
| KEKAU, GUNUNG [BUKIT MELAYU] | Cone of GAMALAMA | Halmahera | |
| KEKEP, GUNUNG | Cone of SUNDORO | Java | |
| KEKEXILI | Caldera of UNNAMED | China (western) | |
| KEKUK CRATER | Crater of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| KEKUKNAYSKY | Shield volcano of BOLSHOI-KEKUKNAYSKY | Kamchatka Peninsula | |
| KEKURNY | Shield volcanoes | Holocene? | Kamchatka Peninsula |
| KELAKIRANA TEPE | Cone of NEMRUT DAGI | Turkey | |
| KELALANG | Cone of KEMBAR | Sumatra | |
| KELANG, MT. | Cone of KLABAT | Sulawesi | |
| KELBEY'S RIDGE | Dome of SABA | West Indies | |
| KELBEY'S RIDGE | Dome of SABA | West Indies | |
| KELIBARA | Cone of KELIMUTU | Lesser Sunda Islands | |
| KELIDO | Cone of KELIMUTU | Lesser Sunda Islands | |
| KELIMUTU | Complex volcano | Historical | Lesser Sunda Islands |
| KELL | Stratovolcanoes | Holocene | Kamchatka Peninsula |
| KELL | Fissure vent of KLIUCHEVSKOI | Kamchatka Peninsula | |
| KELLY BUTTE | Cone of NEWBERRY | USA (Oregon) | |
| KELLYA | Synonym of KELL | Kamchatka Peninsula | |
| KELOET (KELUIT) | Synonym of KELUT | Java | |
| KELSAY POINT | Cinder cone of CINNAMON BUTTE | USA (Oregon) | |
| K'ELT'AENI | Synonym of WRANGELL | Alaska (eastern) | |
| KELUD (KELOED) | Synonym of KELUT | Java | |
| KELUO GROUP | Pyroclastic cones | Holocene | China (eastern) |
| KELUONANSHAN [NANSHAN] | Cinder cone of KELUO GROUP | China (eastern) | |
| KELUT | Stratovolcano | Historical | Java |
| KEMBANG, GUNUNG | Cone of SLAMET | Java | |
| KEMBANG, GUNUNG | Cone of SUNDORO | Java | |
| KEMBAR | Shield volcano | Pleistocene-Fumarolic | Sumatra |
| KEMBAR NORTH | Cone of ARJUNO-WELIRANG | Java | |
| KEMBAR SOUTH | Cone of ARJUNO-WELIRANG | Java | |
| KEMBAR, GUNUNG | Cone of ARJUNO-WELIRANG | Java | |
| KEMMERLING | Crater of SEMERU | Java | |
| KEMOENTJOEP, GUNUNG [GUNUNG KEMUNCUP] | Dome of PENANGGUNGAN | Java | |
| KEMULAN | Stratovolcano of DIENG VOLCANIC COMPLEX | Java | |
| KEMUNCUP, GUNUNG | Dome of PENANGGUNGAN | Java | |
| KENA | Cone of EDZIZA | Canada | |
| KENDALISODO, GUNUNG | Cone of UNGARAN | Java | |
| KENDANG | Stratovolcano | Holocene | Java |
| KENDENG | Synonym of KENDANG | Java | |
| KENDENG | Caldera of IJEN | Java | |
| KENDIL | Dome of DIENG VOLCANIC COMPLEX | Java | |
| KENDIL, GUNUNG | Cone of TELOMOYO | Java | |
| KENFIELD NUNATAK | Cone of HUDSON MOUNTAINS | Antarctica & South Sandwich Islands | |
| KENGA-MINE | Cone of AKAN | Hokkaido | |
| KENGAMINE | Dome of HAKU-SAN | Honshu | |
| KENNEDY HOT SPRINGS | Thermal Feature of GLACIER PEAK | USA (Washington) | |
| KENT CRATER | Tuff cone of PRINCE EDWARD ISLAND | Indian Ocean (southern) | |
| KENTON, CERRO | Cinder cone of SAN QUINTIN VOLCANIC FIELD | México | |
| KENZE | Cone of CHYULU HILLS | Africa (eastern) | |
| KEO PEAK | Synonym of EBULOBO | Lesser Sunda Islands | |
| KEONEHUNEHUNE | Cone of HALEAKALA | Hawaiian Islands | |
| KEONENELU | Cone of HALEAKALA | Hawaiian Islands | |
| KEPALA, GUNUNG [GUNUNG KEPOLO] | Stratovolcano of SEMERU | Java | |
| KEPEZ TEPE | Dome of ERCIYES DAGI | Turkey | |
| KEPOLO, GUNUNG | Stratovolcano of SEMERU | Java | |
| KEPUNDAN | See proper name (e.g. TUO, KEPUNDAN) | Indonesian for CRATER | |
| KERAMAT, BUKIT | Cone of GAMALAMA | Halmahera | |
| KERAROA | Synonym of VICTORY | New Guinea & D'Entrecasteaux Islands | |
| KERAVIA [VULCAN] | Pumice cone of RABAUL | New Britain | |
| KEREKERE, VUTI | Cone of AOBA | Vanuatu | |
| KEREM | Cone of ERCIYES DAGI | Turkey | |
| KERGUELEN ISLANDS | Stratovolcanoes | Holocene? | Indian Ocean (southern) |
| KERHOLL | Crater of GRIMSNES | Iceland (southwestern) | |
| KERI | Cone of KAIKOHE-BAY OF ISLANDS | New Zealand | |
| KERID | Maar of GRIMSNES | Iceland (southwestern) | |
| KERINCI | Stratovolcano | Historical | Sumatra |
| KERINTJI | Synonym of KERINCI | Sumatra | |
| KERKORUMIKSI TEPE | Cone of NEMRUT DAGI | Turkey | |
| KERKUR | Dome of NEMRUT DAGI | Turkey | |
| KERLINGARDYNGA | Shield volcano of FREMRINAMUR | Iceland (northeastern) | |
| KERLINGARFJOLL | Stratovolcano of HOFSJOKULL | Iceland (southwestern) | |
| KERLINGARHOLAR | Fissure vent of KRAFLA | Iceland (northeastern) | |
| KERLINGARHOLL | Crater Row of GRIMSNES | Iceland (southwestern) | |
| KERUAR | Synonym of KADOVAR | Northeast of New Guinea | |
| KETEN | Synonym of MOTI | Halmahera | |
| KETETAHI | Thermal Feature of TONGARIRO | New Zealand | |
| KETIL [KETILDYNGJA] | Shield volcano of FREMRINAMUR | Iceland (northeastern) | |
| KETILDYNGJA | Shield volcano of FREMRINAMUR | Iceland (northeastern) | |
| KETJIL, DANAU [DANAU KECIL] | Crater of TALANG | Sumatra | |
| KETJIL, KABA [BARU, KABA] | Crater of KABA | Sumatra | |
| KETO KETO, MAUNGA | Pyroclastic Cone of EASTER ISLAND | Pacific Ocean (Chilean Islands) | |
| KETOI | Stratovolcano | Historical | Kuril Islands |
| KETOI-JIMA (KETOY) | Synonym of KETOI | Kuril Islands | |
| KETREDEGUIN | Synonym of LONQUIMAY | Central Chile & Argentina | |
| KETRUDEHUIN | Synonym of CALLAQUI | Central Chile & Argentina | |
| KEVENEYTUNUP | Shield volcano of BELY | Kamchatka Peninsula | |
| KEYHOLE EXPLOSION CRATER | Crater of DIAMOND CRATERS | USA (Oregon) | |
| KEYOCC, CERRO | Cinder cone of HUAMBO | Perú | |
| KHADUTKA | Synonym of KHODUTKA | Kamchatka Peninsula | |
| KHAGGIAR | Dome of PANTELLERIA | Italy | |
| KHAGINAK ? | Synonym of ROUNDTOP | Aleutian Islands | |
| KHAIBAR, HARRAT EL- | Synonym of KHAYBAR, HARRAT | Arabia | |
| KHAIBER, HARRAT EL- | Synonym of KHAYBAR, HARRAT | Arabia | |
| KHALA [PECHAN] | Cone of TIANSHAN VOLCANIC GROUP | China (western) | |
| KHAMCHENSKAYA, SOPKA | Synonym of GAMCHEN | Kamchatka Peninsula | |
| KHAMMA, CUDDIA | Shield volcano of PANTELLERIA | Italy | |
| KHAMSARA-BIYKHEM PLATEAU | Synonym of AZAS PLATEAU | Russia (southeastern) | |
| KHAMSARA-BOL'SHOI YENISEI | Synonym of AZAS PLATEAU | Russia (southeastern) | |
| KHANGAR | Stratovolcano | Radiocarbon | Kamchatka Peninsula |
| KHANGURA | Cone of UDOKAN PLATEAU | Russia (southeastern) | |
| KHANUY GOL | Volcanic field | Holocene | Mongolia |
| KHARA-BOLDOK | Cone of TUNKIN DEPRESSION | Russia (southeastern) | |
| KHARIMKOTAN | Stratovolcano | Historical | Kuril Islands |
| KHARTIBUCALE | Cone of PANTELLERIA | Italy | |
| KHAYBAR, HARRAT | Volcanic field | Historical | Arabia |
| KHAYNANJ | Synonym of HAINAN DAO | Southeast Asia | |
| KHEBRIT, DJEBEL | Synonym of TAIR, JEBEL AT | Africa (northeastern) & Red Sea | |
| KHETIK | Shield volcano of OSTANETS | Kamchatka Peninsula | |
| KHLORIDNOE LAKE | Maar of UZON | Kamchatka Peninsula | |
| KHOASHEN | Synonym of ICHINSKY | Kamchatka Peninsula | |
| KHOBOK GROUP | Cone of TUNKIN DEPRESSION | Russia (southeastern) | |
| KHODUKTA SPRINGS | Thermal Feature of KHODUTKA | Kamchatka Peninsula | |
| KHODUTKA | Stratovolcanoes | Radiocarbon | Kamchatka Peninsula |
| KHODUTKINSKY | Maar of KHODUTKA | Kamchatka Peninsula | |
| KHOIOKHONGEN | Synonym of KHODUTKA | Kamchatka Peninsula | |
| KHONARASSAR | Cone of PORAK | Caucasus, Georgia & Armenia | |
| KHOROG | Cinder cone of TARYATU-CHULUTU | Mongolia | |
| KHURDJ EL-AISAR | Tuff cone of HAYLAN, JABAL | Arabia | |
| KHUTSI | Synonym of FUJI | Honshu | |
| KIALAGVIK | Stratovolcano | Holocene | Alaska Peninsula |
| KIAMIS, GUNUNG | Dome of KENDANG | Java | |
| KIAPU | Cone of KILAUEA | Hawaiian Islands | |
| KIARABERES | Crater of PERBAKTI-GAGAK | Java | |
| KIBATI | Cone of NYIRAGONGO | Africa (central) | |
| KIBIKONI | Dome of OLKARIA | Africa (eastern) | |
| KIBITHEWA | Pyroclastic Cone of NYAMBENI HILLS | Africa (eastern) | |
| KIBO | Stratovolcano of KILIMANJARO | Africa (eastern) | |
| KIBONGOTO | Cone of KILIMANJARO | Africa (eastern) | |
| KIBREALE | Synonym of GADA ALE | Africa (northeastern) & Red Sea | |
| KICHPINITSCH | Synonym of KIKHPINYCH | Kamchatka Peninsula | |
| KICHWAMBE VOLC FIELD | Synonym of BUNYARUGURU | Africa (central) | |
| KICK 'EM JACK | Submarine vent of KICK 'EM JENNY | West Indies | |
| KICK 'EM JENNY | Submarine volcano | Historical | West Indies |
| KICKER ROCK | Tuff cone of SAN CRISTOBAL | Galápagos Islands | |
| KIE BESI | Synonym of MAKIAN | Halmahera | |
| KIEMATABU, BUKIT | Stratovolcano of TIDORE | Halmahera | |
| KIEYO | Stratovolcano | Historical | Africa (eastern) |
| KIEZU-IKE | Crater of NORIKURA | Honshu | |
| KIGALGIN | Synonym of CARLISLE | Aleutian Islands | |
| KIGAMIL (KIGAMILJACH) | Synonym of KAGAMIL | Aleutian Islands | |
| KIGERE | Tuff cone of FORT PORTAL | Africa (central) | |
| KIGEZI | Crater of BUNYARUGURU | Africa (central) | |
| KIGUGA WARM SPRINGS | Thermal Feature of MOFFETT | Aleutian Islands | |
| KIJONGO KALEMA | Tuff cone of FORT PORTAL | Africa (central) | |
| KIJONGO KATABYIRE | Tuff cone of FORT PORTAL | Africa (central) | |
| KIKAI | Caldera | Historical | Ryukyu Islands & Kyushu |
| KIKAIGA-SHIMA | Synonym of KIKAI | Ryukyu Islands & Kyushu | |
| KIKDOOLI BUTTE | Cone of NUNIVAK ISLAND | Alaska (western) | |
| KIKHPINYCH | Synonym of BOLSHOI SEMIACHIK | Kamchatka Peninsula | |
| KIKHPINYCH | Stratovolcanoes | Radiocarbon | Kamchatka Peninsula |
| KIKIKYAK HILL | Cone of NUNIVAK ISLAND | Alaska (western) | |
| KIKOMBE | Cone of KARISIMBI | Africa (central) | |
| KIKORONGO | Tuff cone of KATWE-KIKORONGO | Africa (central) | |
| KILAUEA | Shield volcano | Historical | Hawaiian Islands |
| KILAUEA | Shield volcano | Historical | Hawaiian Islands |
| KILAUEA IKI | Pit crater of KILAUEA | Hawaiian Islands | |
| KILEMA | Cone of KILIMANJARO | Africa (eastern) | |
| KILEO | Cone of KILIMANJARO | Africa (eastern) | |
| KILIAN CRATERE | Dome of CHAINE DES PUYS | Western Europe | |
| KILIMA DSCHARO (KILIMA NJARO) | Synonym of KILIMANJARO | Africa (eastern) | |
| KILIMANDJARO | Synonym of KILI | ||