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 |
|---|---|---|---|
| 1550 ± 10 years | — | ? | Observations: Reported |
| 1340 ± 75 years | — | ? | Correlation: Tephrochronology |
| 1130 ± 150 years | — | ? | Isotopic: 14C (calibrated) |
| 710 ± 30 years | — | ? | Isotopic: 14C (calibrated) |
| 260 ± 150 years | — | ? | Isotopic: 14C (calibrated) |
| 1,270 BCE ± 100 years | — | ? | Isotopic: 14C (calibrated) |
| 7,420 BCE ± 75 years | — | ? | Isotopic: 14C (calibrated) |
| 9,280 BCE ± 30 years | — | ? | Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#346010)