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 |
|---|---|---|---|
| 1740 | — | 0 | SSW flank · Observations: Reported |
| 1300 ± 200 years | — | ? | Isotopic: 14C (calibrated) |
| 800 ± 300 years | — | ? | Isotopic: 14C (calibrated) |
| c. 550 | — | ? | Correlation: Tephrochronology |
| 50 ± 300 years | — | ? | Isotopic: 14C (calibrated) |
| c. 600 BCE | — | ? | Correlation: Tephrochronology |
| c. 1,200 BCE | — | ? | Correlation: Tephrochronology |
| 1,950 BCE ± 300 years | — | ? | Isotopic: 14C (calibrated) |
| 2,850 BCE ± 300 years | — | ? | Isotopic: 14C (calibrated) |
| c. 5,400 BCE | — | 5 | SW flank · Correlation: Tephrochronology |
| c. 5,650 BCE | — | ? | Correlation: Tephrochronology |
| c. 5,850 BCE | — | ? | Correlation: Tephrochronology |
| 6,150 BCE ± 50 years | — | ? | Isotopic: 14C (calibrated) |
| c. 6,950 BCE | — | ? | Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#300280)