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 |
|---|---|---|---|
| 560 ± 150 years | — | ? | Isotopic: 14C (calibrated) |
| 400 ± 150 years | — | ? | Isotopic: 14C (calibrated) |
| 90 ± 300 years | — | 0 | Correlation: Tephrochronology |
| 80 BCE ± 200 years | — | ? | Isotopic: 14C (calibrated) |
| 220 BCE ± 200 years | — | ? | Mamuil Malal dome · Isotopic: 14C (calibrated) |
| 590 BCE ± 200 years | — | ? | Isotopic: 14C (calibrated) |
| 6,340 BCE ± 200 years | — | ? | Isotopic: 14C (calibrated) |
| 9,240 BCE ± 500 years | — | ? | Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#357122)