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 |
|---|---|---|---|
| 8 July 2007 | 16 July 2007 | 2 | Observations: Reported |
| 13 April 1987 | 26 April 1987 | 1 | Observations: Reported |
| 4 March 1981 | 25 July 1981 | 1 | Observations: Reported |
| 16 July 1952 | 5 September 1952 | 2 | Observations: Reported |
| 2 July 1951 | — | 2 | Observations: Reported |
| 16 October 1950 | — | 2 | Observations: Reported |
| 2 July 1949 | — | 2 | Observations: Reported |
| 16 June 1926 | — | 1 | Observations: Reported |
| 18 October 1917 | 18 October 1917 | 2 | Observations: Reported |
| 2 July 1911 | — | 2 | Observations: Reported |
| 2 July 1885 ± 5 years | — | 2 | Observations: Reported |
| 20 May 1673 | — | 5 | Observations: Reported |
| 31 December 1564 | — | 3 | Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#268040)