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 |
|---|---|---|---|
| 1500 ± 40 years | — | ? | Isotopic: 14C (calibrated) |
| 1000 ± 16 years | — | ? | Isotopic: 14C (calibrated) |
| 350 BCE ± 30 years | — | ? | Isotopic: 14C (calibrated) |
| 2,700 BCE ± 25 years | — | ? | Isotopic: 14C (calibrated) |
| 5,500 BCE ± 25 years | — | ? | Isotopic: 14C (calibrated) |
| 5,700 BCE ± 16 years | — | 6 | Isotopic: 14C (calibrated) |
| 6,400 BCE ± 75 years | — | ? | Isotopic: 14C (calibrated) |
| 7,100 BCE ± 100 years | — | ? | Isotopic: 14C (calibrated) |
| 8,250 BCE ± 100 years | — | ? | Isotopic: 14C (calibrated) |
| 9,500 BCE ± 300 years | — | 4 | Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#300272)