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 |
|---|---|---|---|
| 17 July 2022 | 17 July 2022 | 1 | Observations: Reported |
| 3 November 2021 | 28 February 2022 | 1 | Observations: Reported |
| 13 June 2021 | 23 July 2021 | 1 | Observations: Reported |
| 18 June 2020 | 24 August 2020 | 1 | Observations: Reported |
| 8 March 2015 | 28 October 2019 | 3 | Cráter Central, Cráter Oeste · Observations: Reported |
| 29 October 2014 | 8 December 2014 | 2 | West Crater · Observations: Reported |
| 21 May 2013 | 4 June 2013 | 1 | West Crater · Observations: Reported |
| 12 January 2012 | 18 January 2012 | 2 | West Crater (SE flank) · Observations: Reported |
| 14 January 2011 | 14 January 2011 | 1 | West Crater · Observations: Reported |
| 5 January 2010 | 7 March 2010 | 2 | SW crater · Observations: Reported |
| 16 January 1866 | 8 May 1866 | 3 | Central and SW summit craters · Observations: Reported |
| 17 August 1864 | 16 March 1865 | 2 | Central and SW summit craters · Observations: Reported |
| 16 May 1855 | — | 2 | Observations: Reported |
| 2 July 1853 | — | 2 | Observations: Reported |
| c. 1350 | — | ? | Isotopic: 14C (uncalibrated) |
| 640 ± 40 years | — | ? | Isotopic: 14C (calibrated) |
| 40 ± 50 years | — | 4 | Central summit crater · Isotopic: 14C (calibrated) |
| 830 BCE ± 150 years | — | ? | Isotopic: 14C (calibrated) |
| 1,120 BCE ± 200 years | — | ? | Correlation: Tephrochronology |
| 1,420 BCE ± 300 years | — | ? | Isotopic: 14C (calibrated) |
| 7,260 BCE ± 300 years | — | ? | NE summit crater · Isotopic: 14C (calibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#345070)