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 1835 ± 5 years | 2 July 1847 | 3 | Observations: Reported |
| 1650 ± 20 years | — | ? | Isotopic: 14C (calibrated) |
| c. 1568 | — | 3 | NE crater margin · Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#255070)