GVP volcano 300150 · no holder yet
Bolshoi Semiachik
Bolshoi Semiachik is a 1,720 m stratovolcano in Russia, last erupted around 4450 BCE.
- Type
- Stratovolcano(es) (composite landform)
- Summit
- 1,720 m above sea level
- Rock
- Basalt / Picro-Basalt
- Setting
- Subduction zone, continental, over 25 km
- Last eruption
- 4450 BCE
- Largest known
- no eruption with a measured size
- Eruptions
- 2 confirmed in the record
- Where
- 54.32°N 160.02°E · Russia
- Region
- Eastern Kamchatka Volcanic Arc, Northwestern Pacific Volcanic Regions
- Record
- Global Volcanism Program, volcano 300150
Not a hazard warning. For safety information follow the World Organization of Volcano Observatories (its directory lists the observatory for each country).