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 |
|---|---|---|---|
| 1450 ± 100 years | — | ? | Isotopic: 14C (calibrated) |
| 910 ± 500 years | — | ? | Isotopic: 14C (calibrated) |
| 440 ± 100 years | — | ? | Isotopic: 14C (calibrated) |
| c. 150 BCE | — | ? | Correlation: Tephrochronology |
| 250 BCE ± 200 years | — | 4 | Isotopic: 14C (calibrated) |
| 400 BCE ± 50 years | — | ? | Correlation: Tephrochronology |
| 500 BCE ± 50 years | — | ? | Correlation: Tephrochronology |
| 610 BCE ± 100 years | — | ? | Isotopic: 14C (calibrated) |
| 650 BCE ± 50 years | — | ? | Correlation: Tephrochronology |
| 700 BCE ± 50 years | — | ? | Correlation: Tephrochronology |
| c. 2,550 BCE | — | 3 | Isotopic: 14C (uncalibrated) |
| c. 2,750 BCE | — | 2 | Isotopic: 14C (uncalibrated) |
| c. 3,650 BCE | — | 3 | Isotopic: 14C (calibrated) |
| 3,850 BCE ± 200 years | — | ? | Isotopic: 14C (calibrated) |
| c. 4,850 BCE | — | 2 | Isotopic: 14C (calibrated) |
| c. 5,050 BCE | — | 3 | Isotopic: 14C (calibrated) |
| c. 5,350 BCE | — | 3 | Isotopic: 14C (calibrated) |
| c. 5,550 BCE | — | 2 | Isotopic: 14C (calibrated) |
| 7,800 BCE ± 300 years | — | ? | Isotopic: 14C (calibrated) |
| c. 8,050 BCE | — | 3 | Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#321030)