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 1846 | — | 2 | Observations: Reported |
| 1687 | — | 2 | Observations: Reported |
| 1613 | — | 0 | Observations: Reported |
| 1569 | 1589 | 2 | Observations: Reported |
| 1566 | — | 2 | Observations: Reported |
| 1545 | 1555 | 2 | Observations: Reported |
| 1260 ± 50 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 1175 | — | 3 | Correlation: Anthropology |
| 220 ± 75 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 140 ± 50 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 90 ± 40 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 40 ± 40 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 780 BCE ± 60 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 1,500 BCE ± 75 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 2,110 BCE ± 100 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 2,300 BCE ± 75 years | — | 4 | Isotopic: 14C (uncalibrated) |
| 2,500 BCE ± 75 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 2,780 BCE ± 75 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 4,690 BCE ± 300 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 6,220 BCE ± 75 years | — | 3 | Isotopic: 14C (uncalibrated) |
| 6,710 BCE ± 150 years | — | 5 | Isotopic: 14C (uncalibrated) |
| 7,030 BCE ± 50 years | — | 4 | Isotopic: 14C (uncalibrated) |
| 7,530 BCE ± 40 years | — | ? | Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#341100)