| Country | Japan |
| Volcanic Region | Kuril Volcanic Arc |
| Landform | Volc Type | Caldera | Caldera |
| Last Known Eruption | 1320 CE |
| Coordinates | 43.615°N, 144.427°E |
| Elevation | 574 m (1,883 ft) |
| Volcano Number | 285080 |
 Google Earth Placemark with Features
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 Cite Volcano Profile
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The Global Volcanism Program has no Weekly Volcanic Activity Reports available for Kussharo.
The Global Volcanism Program has no Bulletin Reports available for Kussharo.
The Global Volcanism Program has no Weekly Reports available for Kussharo.
The Global Volcanism Program has no Bulletin Reports available for Kussharo.
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There is data available for 6 confirmed eruptive periods.
1320 ± 300 years Confirmed Eruption (Explosive / Effusive)
| Episode 1 | Eruption (Explosive / Effusive) | Atosanupuri, At-a tephra | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1320 ± 300 years - Unknown | Evidence from Correlation: Tephrochronology | ||||||||||||||||||
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List of 2 Events for Episode 1 at Atosanupuri, At-a tephra
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0700 (?) Confirmed Eruption (Explosive / Effusive)
| Episode 1 | Eruption (Explosive / Effusive) | Atosanupuri | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0700 (?) - Unknown | Evidence from Correlation: Tephrochronology | |||||||||||||
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List of 1 Events for Episode 1 at Atosanupuri
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0450 (?) Confirmed Eruption (Explosive / Effusive)
| Episode 1 | Eruption (Explosive / Effusive) | Atosanupuri, At-b tephra | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0450 (?) - Unknown | Evidence from Correlation: Tephrochronology | ||||||||||||||||||
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List of 2 Events for Episode 1 at Atosanupuri, At-b tephra
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1550 BCE ± 2000 years Confirmed Eruption (Explosive / Effusive)
| Episode 1 | Eruption (Explosive / Effusive) | Atosanupuri | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1550 BCE ± 2000 years - Unknown | Evidence from Correlation: Tephrochronology | |||||||||||||
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List of 1 Events for Episode 1 at Atosanupuri
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3550 BCE (?) Confirmed Eruption (Explosive / Effusive)
| Episode 1 | Eruption (Explosive / Effusive) | Atosanupuri | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3550 BCE (?) - Unknown | Evidence from Correlation: Tephrochronology | |||||||||||||||||||||||
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List of 3 Events for Episode 1 at Atosanupuri
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5800 BCE ± 2250 years Confirmed Eruption (Explosive / Effusive)
| Episode 1 | Eruption (Explosive / Effusive) | Atosanupuri | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5800 BCE ± 2250 years - Unknown | Evidence from Correlation: Tephrochronology | |||||||||||||
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List of 1 Events for Episode 1 at Atosanupuri
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This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
Cones |
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| Feature Name | Feature Type | Elevation | Latitude | Longitude |
| Ko-Atosanupuri | Stratovolcano | 400 m | ||
Craters |
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| Feature Name | Feature Type | Elevation | Latitude | Longitude |
| Atosanupuri | Caldera | |||
| Kuma-Otoshi
Kuma-Otosi |
Crater | |||
| Kussharo
Kuttyaro Kutcharo Kuccharo |
Pleistocene caldera | |||
Domes |
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| Feature Name | Feature Type | Elevation | Latitude | Longitude |
| Atosanupuri
Kawayu-Iwo-zan Ioyama |
Dome | 508 m | 43° 36' 37.00" N | 144° 26' 19.00" E |
| Makuwanchisappu
Makuwan-Tisappu Makuwan-Chisappu |
Dome | 574 m | 43° 36' 54.00" N | 144° 25' 38.00" E |
| Maruyama
Maru-yama |
Dome | 274 m | ||
| Nakajima
Naka-jima |
Dome | 355 m | 43° 38' 0.00" N | 144° 19' 0.00" E |
| Nifushi-Oyakotsu
Nibusi-Oyakotu Nibushi-Oyakotsu |
Dome | 195 m | ||
| Nupuriondo
Nupuri-Ondo |
Dome | 230 m | ||
| Oputateshike
Oputatesike |
Dome | 504 m | ||
| Rishiri
Risiri |
Dome | 397 m | ||
| Sawan-Chisappu
Sawan-Tisappu |
Dome | 520 m | ||
| Tosamoshibe
Tosamosibe |
Dome | 370 m | ||
| Wakoto-Oyakotu | Dome | 216 m | ||
The 20 x 26 km Kussharo caldera, seen here from its western rim, is the largest of a cluster of calderas in NE Hokkaido. It formed around 30,000 years ago. Nakajima, a Holocene post-caldera lava dome complex, forms the large island to the left that fills much of the western half of the caldera. Atosanupuri is located near the center of the caldera, east of the lake. 
A cluster of lava domes is located in the center of Kussharo caldera, which is partially filled by Lake Kutcharo (upper right). Light-colored areas of hydrothermal alteration cover the slopes of Atosanupuri (left), seen here from the east with the rounded Sawanchisappu lava dome to its right. The far western wall of the 20 x 26 km caldera lies in the clouds at the far end of the lake.
Atosanupuri lava dome was emplaced about 1,000 years ago and its hydrothermally altered flanks are visible in this photo. The 900-m-wide dome was constructed within a 1-km-wide crater. Atosanupuri is one of a cluster of lava domes that occupy the eastern side of Kussharo Caldera.
Intense fumarolic activity occurs on the margins of Atosanupuri lava dome and from fissures along the dome. Constant high-temperature emission of steam and gas has extensively altered the dome rock. Areas of sulfur deposition such as this are common and have been mined since 1887.
Souvenir vendors at Atosanupuri volcano take advantage of fumarolic activity to cook baskets of hard-boiled eggs for visiting tourists. Atosanupuri is the youngest of a group of lava domes on the E side of Kussharo Caldera. Geothermal areas are common on the margins of the dome and radial fissures.The following 14 samples associated with this volcano can be found in the Smithsonian's NMNH Department of Mineral Sciences collections, and may be availble for research (contact the Rock and Ore Collections Manager). Catalog number links will open a window with more information.
| Catalog Number | Sample Description | Lava Source | Collection Date |
|---|---|---|---|
| NMNH 112882 | Pyroxene Dacite | ATOSANUPURI | -- |
| NMNH 112882 | Pyroxene Dacite | ATOSANUPURI | -- |
| NMNH 112883 | Pyroxene Dacite | ATOSANUPURI, TOSAMOSIBE DOME | -- |
| NMNH 112883 | Pyroxene Dacite | ATOSANUPURI, TOSAMOSIBE DOME | -- |
| NMNH 112884 | Pyroxene Dacite | ATOSANUPURI, MARU-YAMA DOME | -- |
| NMNH 112884 | Pyroxene Dacite | ATOSANUPURI, MARU-YAMA DOME | -- |
| NMNH 112885 | Pyroxene Andesite | -- | -- |
| NMNH 112885 | Pyroxene Andesite | -- | -- |
| NMNH 112886 | Pumice | -- | -- |
| NMNH 112887 | Pyroxene Andesite | -- | -- |
| NMNH 112888 | Pyroxene Andesite | -- | -- |
| NMNH 112888 | Pyroxene Andesite | -- | -- |
| NMNH 116886 | Pumice | -- | -- |
| NMNH 116887 | Pyroxene Andesite | -- | -- |
| Copernicus Browser | The Copernicus Browser replaced the Sentinel Hub Playground browser in 2023, to provide access to Earth observation archives from the Copernicus Data Space Ecosystem, the main distribution platform for data from the EU Copernicus missions. |
| MIROVA | Middle InfraRed Observation of Volcanic Activity (MIROVA) is a near real time volcanic hot-spot detection system based on the analysis of MODIS (Moderate Resolution Imaging Spectroradiometer) data. In particular, MIROVA uses the Middle InfraRed Radiation (MIR), measured over target volcanoes, in order to detect, locate and measure the heat radiation sourced from volcanic activity. |
| MODVOLC Thermal Alerts | Using infrared satellite Moderate Resolution Imaging Spectroradiometer (MODIS) data, scientists at the Hawai'i Institute of Geophysics and Planetology, University of Hawai'i, developed an automated system called MODVOLC to map thermal hot-spots in near real time. For each MODIS image, the algorithm automatically scans each 1 km pixel within it to check for high-temperature hot-spots. When one is found the date, time, location, and intensity are recorded. MODIS looks at every square km of the Earth every 48 hours, once during the day and once during the night, and the presence of two MODIS sensors in space allows at least four hot-spot observations every two days. Each day updated global maps are compiled to display the locations of all hot spots detected in the previous 24 hours. There is a drop-down list with volcano names which allow users to 'zoom-in' and examine the distribution of hot-spots at a variety of spatial scales. |
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WOVOdat
Single Volcano View Temporal Evolution of Unrest Side by Side Volcanoes |
WOVOdat is a database of volcanic unrest; instrumentally and visually recorded changes in seismicity, ground deformation, gas emission, and other parameters from their normal baselines. It is sponsored by the World Organization of Volcano Observatories (WOVO) and presently hosted at the Earth Observatory of Singapore.
GVMID Data on Volcano Monitoring Infrastructure The Global Volcano Monitoring Infrastructure Database GVMID, is aimed at documenting and improving capabilities of volcano monitoring from the ground and space. GVMID should provide a snapshot and baseline view of the techniques and instrumentation that are in place at various volcanoes, which can be use by volcano observatories as reference to setup new monitoring system or improving networks at a specific volcano. These data will allow identification of what monitoring gaps exist, which can be then targeted by remote sensing infrastructure and future instrument deployments. |
| Volcanic Hazard Maps | The IAVCEI Commission on Volcanic Hazards and Risk has a Volcanic Hazard Maps database designed to serve as a resource for hazard mappers (or other interested parties) to explore how common issues in hazard map development have been addressed at different volcanoes, in different countries, for different hazards, and for different intended audiences. In addition to the comprehensive, searchable Volcanic Hazard Maps Database, this website contains information about diversity of volcanic hazard maps, illustrated using examples from the database. This site is for educational purposes related to volcanic hazard maps. Hazard maps found on this website should not be used for emergency purposes. For the most recent, official hazard map for a particular volcano, please seek out the proper institutional authorities on the matter. |
| EarthScope Consortium SAGE seismic stations/networks | EarthScope Consortium operates the NSF Geodetic Facility for the Advancement of Geoscience (GAGE) and NSF Seismological Facility for the Advancement of Geoscience (SAGE). The linked map shows the location of seismic stations from all available networks (permanent or temporary) within a radius of 0.18° (about 20 km at mid-latitudes) from the given location of Kussharo. Users can customize a variety of filters and options in the left panel. Note that if there are no stations are known the map will default to show the entire world with a "No data matched request" error notice. |
| Large Eruptions of Kussharo | Information about large Quaternary eruptions (VEI >= 4) is cataloged in the Large Magnitude Explosive Volcanic Eruptions (LaMEVE) database of the Volcano Global Risk Identification and Analysis Project (VOGRIPA). |
| EarthChem | EarthChem develops and maintains databases, software, and services that support the preservation, discovery, access and analysis of geochemical data, and facilitate their integration with the broad array of other available earth science parameters. EarthChem is operated by a joint team of disciplinary scientists, data scientists, data managers and information technology developers who are part of the NSF-funded data facility Integrated Earth Data Applications (IEDA). IEDA is a collaborative effort of EarthChem and the Marine Geoscience Data System (MGDS). |
