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 |
|---|---|---|---|
| 16 October 2014 | 5 November 2014 | 0 | Submarine · Observations: Hydrophonic |
| 1 January 2014 | 1 January 2014 | 1 | Summit · Observations: Hydrophonic |
| 3 August 2012 | 19 August 2012 | 0 | Submarine · Observations: Hydrophonic |
| 17 May 2011 | 22 May 2011 | 0 | Summit Crater · Observations: Hydrophonic |
| 4 May 2009 | 16 December 2009 | 0 | Observations: Hydrophonic |
| 8 February 2008 | 8 February 2008 | 0 | Observations: Hydrophonic |
| 12 December 2006 | 4 November 2007 | 0 | Observations: Hydrophonic |
| 2 March 2005 | 27 June 2006 | 0 | Observations: Hydrophonic |
| 10 April 2003 | 16 September 2004 | 0 | Observations: Hydrophonic |
| 1 November 2002 | 24 November 2002 | 0 | Observations: Hydrophonic |
| 24 May 2002 | 24 May 2002 | 0 | Observations: Hydrophonic |
| 6 June 1999 | 11 June 1999 | 0 | Observations: Hydrophonic |
| 15 December 1997 | 4 February 1998 | 0 | Observations: Hydrophonic |
| 18 April 1997 | 21 April 1997 | 0 | Observations: Hydrophonic |
| 20 September 1996 | 22 September 1996 | 0 | Observations: Hydrophonic |
| 27 November 1995 | 30 November 1995 | 0 | Observations: Hydrophonic |
| 30 May 1990 | 25 March 1991 | 0 | Observations: Hydrophonic |
| 8 September 1988 | 8 September 1988 | 0 | Observations: Hydrophonic |
| 16 June 1986 | 16 June 1986 | 0 | Observations: Hydrophonic |
| 16 May 1982 | 16 May 1982 | 0 | Observations: Hydrophonic |
| 16 January 1980 | 16 January 1980 | 0 | Observations: Hydrophonic |
| 16 February 1979 | 19 April 1979 | 1 | Observations: Hydrophonic |
| 16 February 1978 | 16 July 1978 | 0 | Observations: Hydrophonic |
| 17 October 1977 | 27 October 1977 | 0 | Observations: Reported |
| 16 April 1977 | 16 April 1977 | 0 | Observations: Hydrophonic |
Data: Global Volcanism Program, Smithsonian Institution (#242050)