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 |
|---|---|---|---|
| 10 January 1985 | 25 January 1985 | 0 | Observations: Hydrophonic |
| 18 December 1983 | 14 July 1984 | 0 | Observations: Hydrophonic |
| 12 July 1983 | 26 July 1983 | 0 | Observations: Hydrophonic |
| 16 March 1982 | 19 May 1982 | 0 | Observations: Hydrophonic |
Data: Global Volcanism Program, Smithsonian Institution (#333010)