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 |
|---|---|---|---|
| 2 July 1863 ± 5 years | — | 0 | Northern flank · Correlation: Anthropology |
| 1,330 BCE ± 100 years | — | ? | Isotopic: 14C (uncalibrated) |
| 7,200 BCE ± 100 years | — | ? | Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#222100)