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Bolshoi Semiachik: eruption history
Elevation1,720 m
TypeStratovolcano
Confirmed eruptions2#49 of 95 in country
Latest eruption4450 BCE
Largest VEI–
Location54.32, 160.02
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 4450 BCE | – | – | Korona and Yezh lava domes |
| 6800 BCE | – | – | Ivanov lava dome |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Uzon | 19 km | 4 |
| Kikhpinych | 24 km | 8 |
| Taunshits | 27 km | 2 |
| Maly Semyachik | 30 km | 23 |
| Krasheninnikov | 35 km | 32 |
| Karymsky | 48 km | 53 |
| Akademia Nauk | 53 km | 4 |
| Kronotsky | 58 km | 2 |
Eruption records from the Smithsonian Global Volcanism Program; older eruptions may be missing. VEI = Volcanic Explosivity Index (0–8). For current alerts, check the official agency.