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 October 2012 | 31 October 2013 | 3 | Rokatenda · Observations: Reported |
| 3 February 1985 | 3 February 1985 | 1 | Rokatenda (west side of lava dome) · Observations: Reported |
| 9 May 1984 | 21 May 1984 | 2 | Rokatenda (west side of lava dome) · Observations: Reported |
| 5 November 1980 | 16 September 1981 | 2 | Rokatenda · Observations: Reported |
| 27 October 1973 | 28 October 1973 | 2 | Observations: Reported |
| 22 October 1972 | 16 January 1973 | 3 | Rokatenda · Observations: Reported |
| 31 December 1963 | 16 March 1966 | 2 | Rokatenda (1928 crater) · Observations: Reported |
| 4 August 1928 | 25 September 1928 | 3 | Rokatenda · Observations: Reported |
| 1650 ± 50 years | — | 3 | Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#264150)