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 |
|---|---|---|---|
| 737 ± 55 years | — | ? | Upper Khi-Gol valley · Sidereal: Dendrochronology |
| 5,180 BCE ± 140 years | — | ? | Atkinson cone · Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#302060)