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 |
|---|---|---|---|
| 28 January 2023 | 8 February 2023 | 2 | Observations: Reported |
| 17 January 2022 | 17 October 2022 | 2 | Observations: Satellite (visual) |
| 21 March 2021 | 25 August 2021 | 1 | Observations: Satellite (visual) |
| 27 July 2016 | 30 August 2016 | 2 | Summit crater · Observations: Reported |
| 29 March 2016 | 31 March 2016 | 2 | Summit crater · Observations: Reported |
| 16 February 2015 | 18 February 2015 | 3 | Summit crater · Observations: Reported |
| 29 July 2008 | 8 August 2008 | 2 | Observations: Reported |
| 19 August 2007 | 1 November 2007 | 2 | Observations: Reported |
| 4 March 2007 | 18 April 2007 | 2 | Observations: Reported |
| 12 March 2005 | 7 April 2005 | 1 | Observations: Reported |
| 17 April 2003 | 3 July 2003 | 2 | Observations: Reported |
| 25 January 2002 | 22 April 2002 | 2 | SSE part of summit crater · Observations: Reported |
| 18 November 1986 | 7 December 1986 | 4 | Observations: Reported |
| 10 August 1973 | 28 September 1973 | 2 | Observations: Reported |
| 6 September 1967 | 20 September 1967 | 2 | Observations: Reported |
| 1 February 1964 | 16 February 1964 | 2 | Observations: Reported |
| 2 May 1961 | 10 August 1961 | 1 | Observations: Reported |
| 26 May 1958 | 27 May 1958 | 2 | Observations: Reported |
| 16 May 1957 | — | 2 | Observations: Reported |
| 16 December 1853 | 2 July 1859 | 3 | Observations: Reported |
| 1690 ± 10 years | — | 4 | Tatarinov · Correlation: Tephrochronology |
| 1,500 BCE ± 250 years | — | 4 | Correlation: Tephrochronology |
| c. 1,750 BCE | — | 3 | Correlation: Tephrochronology |
| c. 1,950 BCE | — | 4 | Correlation: Tephrochronology |
| 6,310 BCE ± 70 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 7,550 BCE | — | 2 | Correlation: Tephrochronology |
| 8,500 BCE ± 950 years | — | ? | Lomonosov · Correlation: Tephrochronology |
| 9,360 BCE ± 80 years | — | 2 | Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#290360)