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Smithsonian / USGS Weekly Volcanic Activity Report

Weekly Volcanic Activity Map

You are currently viewing Archived reports for the week of 17 June-23 June 2020.


















 Activity for the week of 17 June-23 June 2020

The Weekly Volcanic Activity Report is a cooperative project between the Smithsonian's Global Volcanism Program and the US Geological Survey's Volcano Hazards Program. Updated by 2300 UTC every Wednesday, notices of volcanic activity posted on these pages are preliminary and subject to change as events are studied in more detail. This is not a comprehensive list of all of Earth's volcanoes erupting during the week, but rather a summary of activity at volcanoes that meet criteria discussed in detail in the "Criteria and Disclaimers" section. Carefully reviewed, detailed reports on various volcanoes are published monthly in the Bulletin of the Global Volcanism Network.

Name Location Activity
Erta Ale Ethiopia New
Karymsky Eastern Kamchatka (Russia) New
Laguna del Maule Central Chile-Argentina border New
Makushin Fox Islands (USA) New
Turrialba Costa Rica New
Veniaminof United States New

Aira Kyushu (Japan) Ongoing
Cleveland Chuginadak Island (USA) Ongoing
Copahue Central Chile-Argentina border Ongoing
Dukono Halmahera (Indonesia) Ongoing
Ebeko Paramushir Island (Russia) Ongoing
Ibu Halmahera (Indonesia) Ongoing
Kanlaon Philippines Ongoing
Kick 'em Jenny North of Grenada Ongoing
Klyuchevskoy Central Kamchatka (Russia) Ongoing
Merapi Central Java (Indonesia) Ongoing
Nishinoshima Japan Ongoing
Pacaya Guatemala Ongoing
Rincon de la Vieja Costa Rica Ongoing
Sangay Ecuador Ongoing
Semeru Eastern Java (Indonesia) Ongoing
Sheveluch Central Kamchatka (Russia) Ongoing
Suwanosejima Ryukyu Islands (Japan) Ongoing
Whakaari/White Island North Island (New Zealand) Ongoing


New Activity / Unrest


Volcano index photo  Erta Ale  | Ethiopia  | 13.6°N, 40.67°E  | Elevation 613 m

Satellite data showed a minor thermal anomaly in Erta Ale’s S pit crater on 12 June and a larger anomaly on 17 June at the site of the previous lava lake.

Source: Sentinel Hub



Volcano index photo  Karymsky  | Eastern Kamchatka (Russia)  | 54.049°N, 159.443°E  | Elevation 1513 m

KVERT reported that a thermal anomaly over Karymsky was identified in satellite images during 11-19 June, possibly due to ongoing Strombolian activity. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)



Volcano index photo  Laguna del Maule  | Central Chile-Argentina border  | 36.058°S, 70.492°W  | Elevation 2162 m

SERNAGEOMIN’s Volcanological Observatory of the Southern Andes (OVDAS) of Chile and SEGEMAR’s Argentine Observatory of Volcanic Surveillance (OAVV) reported anomalous activity at Laguna del Maule Volcanic Complex. Elevated levels of carbon dioxide were detected in an area SW of the caldera lake, along the lower part of the Cabecera de Troncoso River, about 5 km from the lake’s shore. Carbon dioxide emissions were measured in February 2020 and notably elevated relative to March 2019 measurements. An impacted area possibly stretched as far as 500 m from the point representing the highest carbon dioxide emission rate; observers noted areas of discolored brown and orange soil aonlg with dead or emaciated animals.

Three swarms of volcano-tectonic (VT) earthquakes recorded in mid-June were mainly located in the Las Nieblas area, SW of the lake, at depths of 2-8 km. The first began at 0340 on 11 June and totaled at least 400 events. The second swarm began at 2338 on 12 June was characterized by 121 events, located 8.8 km W of the crater. The third swarm began at 2334 on 15 June and was characterized by 190 events located 10.4 km SW of the crater. All of the earthquakes were small magnitudes; the largest event was a local M 2.5. On 18 June the Alert Level was raised to Yellow, the second lowest color on a four-color scale; ONEMI recommended restricting access within a radius of 2 km from the emission center. Seismic activity continued to be recorded, though at lesser magnitudes.

Sources: Servicio Nacional de Geología y Minería (SERNAGEOMIN), Servicio Geológico Minero Argentino (SEGEMAR), Oficina Nacional de Emergencia-Ministerio del Interior (ONEMI)



Volcano index photo  Makushin  | Fox Islands (USA)  | 53.891°N, 166.923°W  | Elevation 1800 m

AVO reported that numerous smaller earthquakes in an area about 12 km SE of Makushin’s summit were recorded after two events greater than M 4 occurred on 15 June. The earthquake activity continued during 16-23 June, though at a declining rate and magnitudes. No surficial activity was visible in satellite or webcam images; only typical minor steaming from summit fumaroles was visible. The Aviation Color Code and Volcano Alert Level remained at Yellow and Advisory, respectively.

Source: US Geological Survey Alaska Volcano Observatory (AVO)



Volcano index photo  Turrialba  | Costa Rica  | 10.025°N, 83.767°W  | Elevation 3340 m

OVSICORI-UNA reported that ash emissions at Turrialba rose no higher than100 m above the crater rim from events recorded at 1714, 1723, and 1818 on 18 June and at 1023 and 1039 on 19 June. A small ash emission was visible at 1715 on 22 June.

Source: Observatorio Vulcanologico y Sismologico de Costa Rica-Universidad Nacional (OVSICORI-UNA)



Volcano index photo  Veniaminof  | United States  | 56.17°N, 159.38°W  | Elevation 2507 m

On 18 June AVO stated that periods of seismic tremor and occasional earthquakes had been recorded at Veniaminof over the past few days. The increase above background levels prompted AVO to raise the Volcano Alert Level to Advisory and the Aviation Color Code to Yellow. Periods of low-amplitude seismic tremor decreased in frequency during 19-20 June, and were not detected at all by 21 June.

Source: US Geological Survey Alaska Volcano Observatory (AVO)



Ongoing Activity


Volcano index photo  Aira  | Kyushu (Japan)  | 31.593°N, 130.657°E  | Elevation 1117 m

JMA reported that very small eruptive events were recorded at Minamidake Crater (at Aira Caldera’s Sakurajima volcano) during 19-22 June. The Alert Level remained at 3 (on a 5-level scale).

Source: Japan Meteorological Agency (JMA)



Volcano index photo  Cleveland  | Chuginadak Island (USA)  | 52.825°N, 169.944°W  | Elevation 1730 m

AVO reported that no additional volcanic activity was detected at Cleveland after the short-lived explosion recorded on 1 June. The Volcano Alert Level was lowered to Advisory and the Aviation Color Code was lowered to Yellow.

Source: US Geological Survey Alaska Volcano Observatory (AVO)



Volcano index photo  Copahue  | Central Chile-Argentina border  | 37.856°S, 71.183°W  | Elevation 2953 m

On 17 June OVDAS-SERNAGEOMIN reported increased activity at Copahue during the previous days, characterized by low-altitude gas emissions containing particulate matter. A period of increased seismicity was recorded in the afternoon on 16 June accompanied by crater incandescence and emissions visible in webcam images.

The report noted that very-long-period earthquakes had been recorded in previous months, and a series of volcano-related seismic events were detected in an area SSW of the volcano on 20 March. Additionally, satellite images showed a reduction in the size of the crater lake. These recent changes coupled with increased seismicity prompted SERNAGEOMIN to raise the Alert Level to Yellow (second lowest level on a four-color scale) and restrict access to an area within 1 km of El Agrio Crater. ONEMI raised a Yellow Alert (the middle level on a three-color scale) for residents of the Alto Biobío municipality.

Sources: Servicio Nacional de Geología y Minería (SERNAGEOMIN), Oficina Nacional de Emergencia-Ministerio del Interior (ONEMI)



Volcano index photo  Dukono  | Halmahera (Indonesia)  | 1.693°N, 127.894°E  | Elevation 1229 m

Based on satellite and wind model data, and information from PVMBG, the Darwin VAAC reported that during 16-23 June ash plumes from Dukono rose to 1.8-2.1 km (6,000-7,000 ft) a.s.l. and drifted NW and W. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to remain outside of the 2-km exclusion zone.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC), Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)



Volcano index photo  Ebeko  | Paramushir Island (Russia)  | 50.686°N, 156.014°E  | Elevation 1103 m

KVERT reported that a thermal anomaly over Ebeko was identified in satellite images on 14, 16, and 18 June. Volcanologists in Severo-Kurilsk (Paramushir Island), about 7 km E of Ebeko, observed explosions on 17 June that sent ash plumes up to 2 km (6,600 ft) a.s.l. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)



Volcano index photo  Ibu  | Halmahera (Indonesia)  | 1.488°N, 127.63°E  | Elevation 1325 m

The Darwin VAAC reported that during 20-21 June ash plumes from Ibu rose to 1.8 km (6,000 ft) a.s.l. and drifted NW and W based on satellite images and weather models. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to stay at least 2 km away from the active crater, and 3.5 km away on the N side.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC), Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)



Volcano index photo  Kanlaon  | Philippines  | 10.412°N, 123.132°E  | Elevation 2435 m

PHIVOLCS reported that ground deformation data from continuous GPS measurements at Kanlaon indicated slight deflation of the lower and middle flanks since January. Tilt data from instruments on the SE flank recorded continuing deflation on the lower flanks and inflation of the mid-flank since April 2020. White steam plumes rose 100-200 m above the summit and drifted NW and SW.

The seismic network recorded as many as 10 volcanic earthquakes per day during 17-21 June. A series of earthquakes beneath the lower W flank began at 1603 on 21 June, and by 0800 the next morning there were a total of 136 events recorded. Five of the earthquakes (recorded at 0101, 0104, 0134, 0206, and 0507 on 22 June) were M 3-4.7, and were felt at Intensities II to IV in La Carlota City and Bago City, Negros Occidental, and Canlaon City, Negros Oriental. During 22-23 June there were a total of 104 volcano-tectonic earthquakes beneath the W flank. The Alert Level remained at 1 (on a scale of 0-5) and PHIVOLCS reminded the public to remain outside of the 4-km-radius Permanent Danger Zone.

Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)



Volcano index photo  Kick 'em Jenny  | North of Grenada  | 12.3°N, 61.64°W  | Elevation -185 m

The University of the West Indies (UWI) Seismic Research Centre (SRC) and the National Disaster Management Agency (NaDMA) reported that a period of elevated seismicity at Kick 'em Jenny was recorded over a seven-day period in June. According to a news article, only 29 earthquakes were recorded during April-May all with magnitudes of 1.6-2. During 5-12 June there were 1,384 recorded earthquakes with magnitudes as high as 1.8. The Alert Level remained at Yellow (the second lowest level on a four-color scale) and the maritime exclusion zone did not change from the radius of 1.5 km.

Sources: Seismic Research Unit, University of the West Indies, Now Grenada



Volcano index photo  Klyuchevskoy  | Central Kamchatka (Russia)  | 56.056°N, 160.642°E  | Elevation 4754 m

KVERT reported that Strombolian activity at Klyuchevskoy was visible during 12-19 June along with a bright thermal anomaly identified in satellite images. A lava flow continued to advance down the Apakhonchich drainage on the SE flank. Avalanches of material on the S side of the lava flow were sometimes visible. Aviation Color Code remained at Orange.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)



Volcano index photo  Merapi  | Central Java (Indonesia)  | 7.54°S, 110.446°E  | Elevation 2910 m

BPPTKG reported that two explosions at Merapi were recorded at 0913 and 0927 on 21 June; the first lasted under six minutes and the second lasted under two minutes. A dense ash plume rose around 6 km above the summit and drifted W, causing ashfall in areas downwind including in the districts of Magelang and Kulonprogo, and as far as the Girimulyo District (45 km). The Alert Level remained at 2 (on a scale of 1-4), and residents were warned to stay outside of the 3-km exclusion zone.

Source: Balai Penyelidikan dan Pengembangan Teknologi Kebencanaan Geologi (BPPTKG)



Volcano index photo  Nishinoshima  | Japan  | 27.247°N, 140.874°E  | Elevation 25 m

The Tokyo VAAC reported that ash plumes from Nishinoshima rose to 2.1-2.4 km (7,000-8,000 ft) a.s.l. and drifted NE and E. The marine exclusion zone was defined as a radius of about 2.6 km from the island.

Sources: Tokyo Volcanic Ash Advisory Center (VAAC), Japan Coast Guard



Volcano index photo  Pacaya  | Guatemala  | 14.382°N, 90.601°W  | Elevation 2569 m

INSIVUMEH reported that during 17-19 June Strombolian explosions at Pacaya’s Mackenney Crater ejected material as high as 100 m above the crater rim and continued to build a cone in the crater. Active lava flows were 250 m long on the N flank and 200 m long on the S flank by 19 June. In a special report INSIVUMEH noted that increased on 20 June accompanying active lava flows that traveled 650 m SW and 200 m NW by the next day. During 20-23 June Strombolian explosions ejected incandescent material as high as 200 m above the summit and produced ash plumes that rose 100 m. The explosions were heard in areas up to 5 km away.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)



Volcano index photo  Rincon de la Vieja  | Costa Rica  | 10.83°N, 85.324°W  | Elevation 1916 m

OVSICORI-UNA reported that periodic phreatic explosions at Rincón de la Vieja continued to be recorded by the seismic network and webcams during 16-23 June. Several small eruptive events were recorded during 16-17 June; the largest event occurred at 1635 on 17 June and produced a plume that rose 1 km above the crater rim. Eruptive events were detected at 1442 on 19 June and 1046 on 23 June, though inclement weather conditions prevented visual confirmation.

Source: Observatorio Vulcanologico y Sismologico de Costa Rica-Universidad Nacional (OVSICORI-UNA)



Volcano index photo  Sangay  | Ecuador  | 2.005°S, 78.341°W  | Elevation 5286 m

On 16 June the Servicio Nacional de Gestión de Riesgos y Emergencias (SNGRE) declared a Yellow Alert for the province of Chimborazo due to a recent increase in ashfall from Sangay. IG reported a continuing high level of activity during 16-22 June, though weather clouds often prevented visual observations. According to the IG and Washington VAAC notices ash plumes rose 570-870 m above the summit and drifted W and SW. Incandescent blocks descending the SE flank were seen through breaks in cloud cover overnight during 17-18 June.

SNGRE reported that lahars in the Upano River in the morning of 21 June followed heavy rains two days earlier. In Macas (40 km SE) the lahars caused the closure of the E45 Macas-Puyo road, destroying a 27-m section and damaging a 30-m section, and the evacuation of 21 people.

Sources: Instituto Geofísico-Escuela Politécnica Nacional (IG), Servicio Nacional de Gestión de Riesgos y Emergencias (SNGRE)



Volcano index photo  Semeru  | Eastern Java (Indonesia)  | 8.108°S, 112.922°E  | Elevation 3657 m

PVMBG and the Darwin VAAC reported that on most days during 18-23 June ash plumes from Semeru rose 300-500 m above the summit and drifted SE, S, SW, and W. The Alert Level remained at 2 (on a scale of 1-4), and the public was reminded to stay outside of the general 1-km radius from the summit and 4 km on the SSE flank.

Sources: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM), Darwin Volcanic Ash Advisory Centre (VAAC)



Volcano index photo  Sheveluch  | Central Kamchatka (Russia)  | 56.653°N, 161.36°E  | Elevation 3283 m

KVERT reported that a thermal anomaly over Sheveluch was identified in satellite images during 12-19 June. A webcam captured an explosion on 13 June that sent ash up to 5 km (16,400 ft) a.s.l. The ash cloud drifted 120 km NE. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)



Volcano index photo  Suwanosejima  | Ryukyu Islands (Japan)  | 29.638°N, 129.714°E  | Elevation 796 m

JMA reported that nighttime incandescence at Suwanosejima’s Ontake Crater was occasionally visible during 12-19 June. An explosion was recorded on 18 June, though inclement weather conditions prevented visual confirmation. The Alert Level remained at 2 (on a 5-level scale).

Source: Japan Meteorological Agency (JMA)



Volcano index photo  Whakaari/White Island  | North Island (New Zealand)  | 37.52°S, 177.18°E  | Elevation 294 m

GeoNet reported that during the previous few months activity levels at Whakaari/White Island had gradually declined based on the volcano monitoring team’s collective interpretation of all the monitoring data. The Volcanic Alert Level was lowered to 1 on 16 June; the Aviation Color Code was lowered to Green on 22 June.

Source: GeoNet



Weekly Reports Archive

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Agung Fuego Lewotolo Salak
Ahyi Fujisan Little Sitkin San Cristobal
Aira Fukutoku-Oka-no-Ba Llaima San Miguel
Akan Galeras Loihi San Vicente
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Ambang Gaua Makian Santa Maria
Ambrym Gorely Makushin Sarigan
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Balbi Huila, Nevado del Miyakejima Sotara
Bamus Hunga Tonga-Hunga Ha'apai Momotombo Soufriere Hills
Banda Api Ibu Monowai Soufriere St. Vincent
Bardarbunga Ijen Montagu Island South Sarigan Seamount
Barren Island Iliamna Moyorodake [Medvezhia] Spurr
Batur Iliwerung Mutnovsky St. Helens
Bezymianny Inielika Myojinsho Stromboli
Bogoslof Ioto Nabro Sulu Range
Brava Irazu Negra, Sierra Sumbing
Bristol Island Iya Negro, Cerro Sundoro
Bulusan Izu-Torishima Nightingale Island Suretamatai
Calbuco Jackson Segment Nishinoshima Suwanosejima
Callaqui Kaba Nisyros Taal
Cameroon Kadovar Novarupta Tair, Jebel at
Campi Flegrei del Mar di Sicilia Kambalny NW Rota-1 Takawangha
Cayambe Kanaga Nyamuragira Talang
Cereme Kanlaon Nyiragongo Tambora
Chachadake [Tiatia] Karangetang Okataina Tanaga
Chaiten Karkar Okmok Tandikat-Singgalang
Chiginagak Karthala Ontakesan Tangkoko-Duasudara
Chikurachki Karymsky Oraefajokull Tangkuban Parahu
Chiles-Cerro Negro Kasatochi Osorno Tara, Batu
Chillan, Nevados de Katla Pacaya Telica
Chirinkotan Kavachi Pagan Tenerife
Chirpoi Kelimutu Paluweh Tengger Caldera
Cleveland Kelut Panarea Three Sisters
Colima Kerinci Papandayan Tinakula
Colo Ketoi Parker Tofua
Concepcion Kharimkotan Pavlof Tokachidake
Copahue Kick 'em Jenny Peuet Sague Tolbachik
Cotopaxi Kikai Pinatubo Toliman
Cuicocha Kilauea Planchon-Peteroa Tongariro
Cumbal Kirishimayama Poas Tungurahua
Dabbahu Kizimen Popocatepetl Turrialba
Dempo Klyuchevskoy Puyehue-Cordon Caulle Ubinas
Descabezado Grande Kolokol Group Rabaul Ulawun
Dieng Volcanic Complex Korovin Raikoke Unknown Source
Dukono Koryaksky Ranakah Unnamed
Ebeko Krakatau Raoul Island Unnamed
Ebulobo Krummel-Garbuna-Welcker Rasshua Veniaminof
Egon Kuchinoerabujima Raung Villarrica
Ekarma Kurikomayama Redoubt West Mata
Epi Kusatsu-Shiranesan Reventador Whakaari/White Island
Erebus Kverkfjoll Reykjanes Witori
Erta Ale Lamington Rincon de la Vieja Wolf
Etna Lamongan Rinjani Yasur
Etorofu-Yakeyama [Grozny Group] Langila Ritter Island Zaozan [Zaosan]
Eyjafjallajokull Lanin Rotorua Zavodovski
Fernandina Lascar Ruang Zhupanovsky
Fogo Lateiki Ruapehu Zubair Group
Fonualei Lengai, Ol Doinyo Ruiz, Nevado del
Fournaise, Piton de la Leroboleng Sabancaya
Fourpeaked Lewotobi Sakar
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 News Feeds and Google Placemarks


The RSS (Really Simple Syndication) feed is identical to the Weekly Volcanic Activity Report minus some features including the header information (latitude and longitude and summit elevation), the Geologic Summary, and a link to the volcano's page from the Global Volcanism Program. Each volcano report includes a link from the volcano's name back to the more complete information in the Weekly Volcanic Activity Report on the Smithsonian website.




The CAP (Common Alerting Protocol) feeds are XML files specifically formatted for disaster management. They are similar in content to the RSS feed, but contain no active links.




A Google Earth network link for the Weekly Volcanic Activity Report can be loaded into the free Google Earth software, and in turn will load placemarks for volcanoes in the current weekly report. Placemark balloons include the volcano name, report date, report text, sources, and links back to the GVP volcano page for that volcano and to the complete Weekly Report for that week.

 Criteria & Disclaimers

Criteria

The Weekly Volcanic Activity Report does not necessarily include all volcanic activity that occurred on Earth during the week. More than a dozen volcanoes globally have displayed more-or-less continuous eruptive activity for decades or longer, and such routine activity is typically not reported here. Moreover, Earth's sea-floor volcanism is seldom reported even though in theory it represents the single most prolific source of erupted material. The Weekly Volcanic Activity Report summarizes volcanic activity that meets one or more of the following criteria:

- A volcano observatory raises or lowers the alert level at the volcano.
- A volcanic ash advisory has been released by a volcanic ash advisory center (VAAC) stating that an ash cloud has been produced from the volcano.
- A verifiable news report of new activity or a change in activity at the volcano has been issued.
- Observers have reported a significant change in volcanic activity. Such activity can include, but is not restricted to, pyroclastic flows, lahars, lava flows, dome collapse, or increased unrest.

Volcanoes are included in the "New Activity/Unrest" section of the Weekly Volcanic Activity Report if the activity occurs after at least 3 months of quiescence. Once a volcano is included in the "New Activity/Unrest" section, updates will remain in that section unless the activity continues for more than 1 month without escalating, after which time updates will be listed in the "Continuing Activity" section. Volcanoes are also included in the "New Activity/Unrest" section if the volcano is undergoing a period of relatively high unrest, or increasing unrest. This is commonly equal to Alert Level Orange on a scale of Green, Yellow, Orange, Red, where Red is the highest alert. Or alert level 3 on a scale of 1-4 or 1-5.

It is important to note that volcanic activity meeting one or more of these criteria may occur during the week, but may not be included in the Weekly Volcanic Activity Report because we did not receive a report.


Disclaimers

1. The Weekly Volcanic Activity Report is intended to provide timely information about global volcanism on a weekly basis. Consequently, the report is generated rapidly by summarizing volcanic reports from various sources, with little time for fact checking. The accuracy of the Weekly Volcanic Activity Report is dependent upon the quality of the volcanic activity reports we receive. Reports published in the Bulletin of the Global Volcanism Network are monthly, and more carefully reviewed, although all of the volcanoes discussed in the Weekly Volcanic Activity Report are not necessarily reported in the Bulletin. Because of our emphasis on rapid reporting on the web we have avoided diacritical marks. Reports are updated on the Weekly Volcanic Activity Report web page as they are received, therefore information may be included regarding events that occurred before the current report period.

2. Rapidly developing events lead to coverage that is often fragmentary. Volcanoes, their eruptions, and their plumes and associated atmospheric effects are complex phenomena that may require months to years of data analysis in order to create a comprehensive summary and interpretation of events.

3. Preliminary accounts sometimes contain exaggerations and "false alarms," and accordingly, this report may include some events ultimately found to be erroneous or misleading.

4. Many news agencies do not archive the articles they post on the Internet, and therefore the links to some sources may not be active. To obtain information about the cited articles that are no longer available on the Internet contact the source.

5. USGS Disclaimer Statement for this Website:

Information presented on this website is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. We strongly recommend that USGS data be acquired directly from a USGS server and not through other sources that may change the data in some way. While USGS makes every effort to provide accurate and complete information, various data such as names, telephone numbers, etc. may change prior to updating. USGS welcomes suggestions on how to improve our home page and correct errors. USGS provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data.

Some of the documents on this server may contain live references (or pointers) to information created and maintained by other organizations. Please note that USGS does not control and cannot guarantee the relevance, timeliness, or accuracy of these outside materials.

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RSS and CAP Feeds

An RSS (Really Simple Syndication) feed for the Weekly Volcanic Activity Report first made available on 5 March 2008 can be utilized with the aid of various free downloadable readers. The report content of the news feed is identical to the Weekly Volcanic Activity Report minus some features including the header information (latitude and longitude and summit elevation), the Geologic Summary, and a link to the volcano's page from the Global Volcanism Program. Each volcano report includes a link from the volcano's name back to the more complete information in the Weekly Volcanic Activity Report on the Smithsonian website. On 12 March 2009, GeoRSS tags were added so that the latitude and longitude for each volcano could be included with the feed.

At the end of each individual report is a list of the sources used. We would like to emphasize that the World Organization of Volcano Observatories (WOVO) website (http://www.wovo.org/) lists the regional volcano observatories that have the most authoritative data for many of these events.

CAP (Common Alerting Protocol) feeds are XML files specifically formatted for disaster management.


Google Earth Placemarks

A Google Earth network link for the Weekly Volcanic Activity Report was first made available on 1 April 2009. This file can be loaded into the free Google Earth software, and in turn will load placemarks for volcanoes in the current weekly report. Placemark balloons include the volcano name, report date, report text, sources, and links back to the GVP volcano page for that volcano and to the complete Weekly Report for that week.

 Acronyms and Abbreviations

a.s.l. - above sea level

AVO - Alaska Volcano Observatory

AVHRR - Advanced Very High Resolution Radiometer

CENAPRED - Centro Nacionale de Prevencion de Desastres (México)

CONRED - Coordinadora Nacional para la Reducción de Desastres

COSPEC - Correlation Spectrometer

CVGHM (formerly VSI) - Center of Volcanology and Geological Hazard Mitigation

CVO - Cascades Volcano Observatory (USGS)

GMS - Geostationary Meteorological Satellite

GOES - Geostationary Operational Environmental Satellite

GVO - Goma Volcano Observatory

GVP - Global Volcanism Program (Smithsonian Institution)

HVO - Hawaiian Volcano Observatory (USGS)

ICE - Instituto Costarricense de Electricidad (Costa Rica)

IG - Instituto Geofísico (Ecuador)

IGNS - Institute of Geological and Nuclear Sciences (New Zealand) - now GNS Science

INETER - Instituto Nicaragüense de Estudios Territoriales (Nicaragua)

INGEMMET - Instituto Geológical Minero y Metalúrgico (Peru)

INGEOMINAS - Instituto Colombiano de Geología y Minería (Colombia)

INGV-CT - Istituto Nazionale di Geofisica e Vulcanologia - Sezione di Catania (Italy)

INSIVUMEH - Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (Guatemala)

IRD - Institut de Recherche pour le Développement (France)

JMA - Japanese Meteorological Agency

KEMSD - Kamchatkan Experimental and Methodical Seismilogical Department

KVERT - Kamchatkan Volcanic Eruption Response Team

M - magnitude

METEOSAT - Meteorological Satellite

MEVO - Mount Erebus Volcano Observatory

MODIS - Moderate Resolution Imaging Spectroradiometer

MVO - Montserrat Volcano Observatory

MWO - Meteorological Watch Office

NEIC - National Earthquake Information Center

NIED - National Research Institute for Earth Science and Disaster Prevention (Japan)

NOAA - National Oceanic and Atmospheric Administration

NOTAM - Notice to Airmen

OVDAS - Observatorio Volcanologico de los Andes del Sur (Chile)

OFDA - Office of US Foreign Disaster Assistance

ONEMI - Oficina Nacional de Emergencia - Ministerio del Interior (Chile)

OVPDLF - Observatoire Volcanologique du Piton de la Fournaise (France)

OVSICORI-UNA - Observatorio Vulcanologico y Sismologico de Costa Rica, Universidad Nacional (Costa Rica)

PHIVOLCS - Philippine Institute of Volcanology and Seismology (Philippines)

RSAM - Real-time Seismic Amplitude Measurement

RVO - Rabaul Volcano Observatory

SERNAGEOMIN - Servicio Nacional de Geologia y Mineria (Chile)

SIGMET - Significant Meteorological Information

SNET - Servicio Nacional de Estudios Territoriales (El Salvador)

SVERT - Sakhalin Volcanic Eruption Response Team (Russia)

USAID - US Agency for International Development

USGS - United States Geological Survey

UTC - Coordinated Universal Time

VAAC - Volcanic Ash Advisory Center

VAFTAD - Volcanic Ash Forecast Transport And Dispersion

VDAP - Volcano Disaster Assistance Program (USGS)

VHP - Volcano Hazards Program (USGS)

VRC - Volcano Research Center (Japan)