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 1901 | — | 3 | NE flank · Observations: Reported |
| c. 50 | — | ? | Isotopic: 14C (uncalibrated) |
| c. 2,050 BCE | — | ? | Isotopic: 14C (uncalibrated) |
| c. 2,850 BCE | — | 5 | Isotopic: 14C (uncalibrated) |
| c. 4,550 BCE | — | ? | Isotopic: 14C (uncalibrated) |
| 5,700 BCE ± 50 years | — | 4 | Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#300030)