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 |
|---|---|---|---|
| 220 BCE ± 50 years | — | ? | Chepe · Isotopic: 14C (uncalibrated) |
| 2,670 BCE ± 100 years | — | ? | Aku · Isotopic: 14C (uncalibrated) |
| 5,990 BCE ± 100 years | — | ? | Dolinnyi · Isotopic: 14C (uncalibrated) |
| 6,210 BCE ± 100 years | — | ? | Khangura · Isotopic: 14C (uncalibrated) |
| 7,290 BCE ± 100 years | — | ? | Sini · Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#302030)