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 |
|---|---|---|---|
| 1007 | — | ? | Observations: Reported |
| 1002 | — | ? | Observations: Reported |
| 2,050 BCE ± 200 years | — | ? | SW flank (Songaksan tuff ring) · Isotopic: 14C (uncalibrated) |
| 2,830 BCE ± 50 years | — | ? | NE flank (Ilchulbong tuff cone) · Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#306040)