GVP volcano 285081 · no holder yet
Mashu
Mashu is an 857 m caldera in Japan, last erupted in 1080.
- Type
- Caldera
- Summit
- 857 m above sea level
- Rock
- Andesite / Basaltic Andesite
- Setting
- Subduction zone, continental, over 25 km
- Last eruption
- 1080
- Largest known
- VEI 6, colossal, 5550 BCE
- Eruptions
- 7 confirmed in the record
- Where
- 43.57°N 144.56°E · Japan
- Region
- Kuril Volcanic Arc, Northwestern Pacific Volcanic Regions
- Record
- Global Volcanism Program, volcano 285081
Not a hazard warning. For safety information follow the World Organization of Volcano Observatories (its directory lists the observatory for each country).