Eruption history
VEI – Volcanic Explosivity Index: 0 = lava outpouring, 4 = like Eyjafjallajökull 2010, 6 = like Pinatubo 1991, 7 = like Tambora 1815. The scale is logarithmic – each step is about 10 times more material.
| Start | End | VEI | Vent and dating |
|---|---|---|---|
| c. 1350 | — | 1 | Glavny · Correlation: Tephrochronology |
| 1200 ± 50 years | — | 2 | Glavny · Correlation: Tephrochronology |
| 1000 ± 50 years | — | 3 | Serpovidny · Correlation: Tephrochronology |
| 800 ± 50 years | — | 3 | Maar S of Lake Kostakan, Krasny cone · Correlation: Tephrochronology |
| 6,550 BCE ± 500 years | — | 3 | Ochkovy · Correlation: Tephrochronology |
| 8,050 BCE ± 1,000 years | — | 3 | Domashnii · Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#300122)