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 |
|---|---|---|---|
| 25 February 1996 | 9 August 1996 | 0 | Observations: Reported |
| 50 BCE ± 3,000 years | — | 0 | Isotopic: K/Ar |
| 5,050 BCE ± 5,000 years | — | 0 | Isotopic: K/Ar |
| 7,050 BCE ± 7,000 years | — | 0 | East flank? · Isotopic: K/Ar |
Data: Global Volcanism Program, Smithsonian Institution (#332000)