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 |
|---|---|---|---|
| 4 July 1972 | 19 July 1972 | 0 | Observations: Hydrophonic |
| 6 September 1971 | — | 0 | Observations: Hydrophonic |
| 9 March 1966 | 20 March 1966 | 0 | Observations: Hydrophonic |
Data: Global Volcanism Program, Smithsonian Institution (#333020)