Supervolcanoes and large caldera systems

19 systems tracked. 3 have something reported at them right now.

These are the systems with the physical capacity for a very large eruption. Almost all of them are quiet almost all of the time, and each page says who is watching it and what that observatory currently reports.

Argentina

• Cerro Blanco
  nothing reported · Caldera
• Cerro Galan
  nothing reported · Caldera

Chile

• Calabozos
  nothing reported · Caldera

China and North Korea

• Changbaishan
  nothing reported · Stratovolcano

Greece

• Santorini
  nothing reported · Shield volcano

Indonesia

• Rinjani
  nothing reported · Stratovolcano
• Tambora
  nothing reported · Stratovolcano
• Toba
  nothing reported · Caldera

Italy

• Campi Flegrei
  nothing reported · Caldera

Japan

• Aira
  alert: orange · Caldera
• Asosan
  alert: yellow · Caldera
• Kikai
  alert: yellow · Caldera

New Zealand

• Okataina
  nothing reported · Lava dome
• Taupo
  nothing reported · Caldera

Russia

• Kurile Lake
  nothing reported · Caldera

United States

• Crater Lake
  nothing reported · Caldera
• Long Valley Caldera
  nothing reported · Caldera
• Valles Caldera
  nothing reported · Caldera
• Yellowstone
  nothing reported · Caldera

Where the data comes from

National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Volcanic Eruptions Database. NOAA National Centers for Environmental Information. doi:10.7289/V5JW8BSH Licence: NOAA NCEI: access to this dataset is unrestricted (US federal work, public domain). Alert levels: the publishing observatory, most often a United States Geological Survey volcano observatory, public domain.