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 |
|---|---|---|---|
| 13 August 2021 | 12 September 2021 | 4 | Observations: Reported |
| 3 February 2010 | 8 April 2010 | 1 | Submarine site · Observations: Reported |
| 2 July 2005 | 21 July 2005 | 1 | Observations: Reported |
| 10 November 1992 | 9 September 1993 | 1 | Observations: Reported |
| 14 July 1987 | 30 August 1987 | 0 | Observations: Reported |
| 18 January 1986 | 28 March 1986 | 2 | Observations: Reported |
| 24 December 1974 | 13 November 1975 | 2 | Observations: Reported |
| 18 December 1973 | 16 February 1974 | 2 | 3.8 km NNE of Minami-Iwo-jima · Observations: Reported |
| 13 January 1914 | 21 August 1914 | 3 | Shin-Iwo-jima · Observations: Reported |
| 14 November 1904 | 16 May 1905 | 3 | Shin-Iwo-jima · Observations: Reported |
Data: Global Volcanism Program, Smithsonian Institution (#284130)