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. 5,550 BCE | — | ? | Sidereal: Ice Core |
| 6,250 BCE ± 5,400 years | — | ? | Isotopic: Ar/Ar |
| c. 7,050 BCE | — | ? | Sidereal: Ice Core |
Data: Global Volcanism Program, Smithsonian Institution (#390027)