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 |
|---|---|---|---|
| 6 January 2026 | 25 March 2026 | ? | Observations: Reported |
| 30 May 2024 | 18 July 2024 | 2 | Observations: Reported |
| 27 April 2023 | 4 February 2024 | 2 | Observations: Reported |
| 6 June 2022 | 7 October 2022 | 0 | Observations: Reported |
| 13 January 2018 | 31 July 2019 | 3 | Summit crater · Observations: Reported |
| 12 August 2014 | 19 October 2014 | 0 | Summit crater · Observations: Reported |
| 7 May 2013 | 7 May 2013 | 2 | Summit crater · Observations: Reported |
| 15 September 2009 | 1 January 2010 | 2 | Observations: Reported |
| 10 August 2008 | 10 August 2008 | 1 | Observations: Reported |
| 13 July 2006 | 1 October 2006 | 1 | Observations: Reported |
| 21 February 2006 | 23 February 2006 | 1 | Observations: Reported |
| 17 August 2005 | — | 0 | Observations: Reported |
| 3 June 2004 | 12 September 2004 | 1 | Observations: Reported |
| 17 March 2003 | 14 May 2003 | 2 | Observations: Reported |
| 11 October 2002 | 11 October 2002 | 1 | Observations: Reported |
| 8 January 2001 | 8 August 2001 | 3 | Observations: Reported |
| 16 July 2000 | 31 August 2000 | 2 | Observations: Reported |
| 22 June 1999 | 19 March 2000 | 3 | Observations: Reported |
| 2 February 1993 | 4 April 1993 | 2 | Observations: Reported |
| 9 September 1984 | 6 October 1984 | 3 | Observations: Reported |
| 7 March 1978 | 16 September 1978 | 2 | Observations: Reported |
| 21 April 1968 | 20 May 1968 | 3 | Observations: Reported |
| 8 January 1947 | 16 February 1947 | 2 | Observations: Reported |
| 2 July 1943 | — | 1 | Observations: Reported |
| 13 September 1941 | — | 1 | Observations: Reported |
| 21 August 1939 | — | 1 | Observations: Reported |
| 5 June 1938 | — | 2 | Observations: Reported |
| 16 January 1928 | 26 August 1928 | 3 | Observations: Reported |
| 2 July 1902 | — | 1 | Observations: Reported |
| 1 March 1900 | 6 March 1900 | 2 | Observations: Reported |
| 23 May 1897 | 23 July 1897 | 4 | Observations: Reported |
| 31 August 1896 | 27 September 1896 | 2 | Observations: Reported |
| 20 July 1895 | 26 November 1895 | 2 | Summit and east flank · Observations: Reported |
| 3 October 1893 | 31 October 1893 | 1 | Observations: Reported |
| 3 October 1891 | 29 February 1892 | 2 | Observations: Reported |
| 10 September 1890 | 30 September 1890 | 2 | Observations: Reported |
| 15 December 1888 | — | 1 | Observations: Reported |
| 8 July 1886 | 10 March 1887 | 3 | Observations: Reported |
| 21 November 1885 | 2 December 1885 | 2 | Observations: Reported |
| 6 July 1881 | 16 August 1882 | 3 | Summit and south and SW flanks · Observations: Reported |
| 26 November 1876 | 26 November 1876 | 1 | Observations: Reported |
| 16 April 1876 | — | 1 | Observations: Reported |
| 20 June 1873 | 22 July 1873 | 2 | Observations: Reported |
| 5 September 1872 | 9 September 1872 | 1 | Observations: Reported |
| 8 December 1871 | 16 January 1872 | 3 | Observations: Reported |
| 17 December 1868 | — | 2 | Observations: Reported |
| 2 July 1862 | — | 2 | Observations: Reported |
| 2 July 1861 | — | 1 | Observations: Reported |
| 2 July 1860 | — | ? | Observations: Reported |
| 2 July 1859 | — | ? | Observations: Reported |
| 16 January 1858 | 16 December 1858 | 2 | Observations: Reported |
| 2 July 1857 | — | 2 | Observations: Reported |
| 22 March 1855 | — | 2 | Observations: Reported |
| 13 July 1853 | 26 August 1853 | 3 | Observations: Reported |
| 26 May 1851 | 16 June 1851 | 1 | Observations: Reported |
| 11 May 1846 | 11 May 1846 | 3 | Observations: Reported |
| 20 January 1845 | 30 January 1845 | 3 | Observations: Reported |
| 2 July 1839 | — | 2 | Observations: Reported |
| 2 July 1834 | 16 May 1835 | 3 | Observations: Reported |
| 27 June 1827 | 28 February 1828 | 2 | Observations: Reported |
| 1 February 1814 | 15 February 1814 | 4 | Observations: Reported |
| 30 October 1800 | 31 October 1800 | 2 | Observations: Reported |
| 20 July 1766 | 25 July 1766 | 3 | Observations: Reported |
| 19 February 1616 | 23 February 1616 | 3 | Observations: Reported |
| 470 ± 75 years | — | ? | Isotopic: 14C (uncalibrated) |
| 3,100 BCE ± 300 years | — | ? | Isotopic: 14C (uncalibrated) |
Data: Global Volcanism Program, Smithsonian Institution (#273030)