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 |
|---|---|---|---|
| 30 June 2000 | 30 June 2000 | 1 | Observations: Hydrophonic |
| 17 March 2000 | 17 March 2000 | 2 | North crater · Observations: Reported |
| 16 December 1960 | 16 January 1961 | 2 | West wall of SW crater · Observations: Reported |
| 23 June 1945 | — | 2 | Observations: Reported |
| 16 May 1939 | — | 2 | Observations: Reported |
| 16 November 1938 | — | 2 | Observations: Reported |
| 16 February 1929 | — | 2 | Observations: Reported |
| 25 January 1928 | 16 February 1928 | 2 | Observations: Reported |
| 16 January 1927 | 16 February 1927 | 2 | Observations: Reported |
| 5 July 1917 | — | 3 | Observations: Reported |
| 16 December 1916 | — | 2 | Observations: Reported |
| 15 July 1916 | — | 2 | Observations: Reported |
| 2 April 1904 | 26 June 1904 | 2 | Observations: Reported |
| 16 April 1898 | 15 July 1898 | 2 | Observations: Reported |
| 18 December 1853 | 16 March 1854 | 2 | Observations: Reported |
| 16 January 1853 | — | 2 | Observations: Reported |
| 16 March 1852 | — | 2 | Observations: Reported |
| 2 July 1848 | — | 3 | Observations: Reported |
| 1750 ± 50 years | — | 2 | Observations: Reported |
| 1650 ± 50 years | — | 2 | Observations: Reported |
| c. 1300 | — | 2 | Correlation: Tephrochronology |
| c. 950 | — | 2 | Correlation: Tephrochronology |
| c. 750 | — | 3 | Correlation: Tephrochronology |
| c. 250 | — | 2 | Correlation: Tephrochronology |
| c. 50 | — | 2 | Correlation: Tephrochronology |
| c. 100 BCE | — | 2 | Correlation: Tephrochronology |
| c. 200 BCE | — | 2 | Correlation: Tephrochronology |
| c. 450 BCE | — | 2 | Correlation: Tephrochronology |
| c. 2,050 BCE | — | 2 | Correlation: Tephrochronology |
| c. 2,150 BCE | — | 3 | Correlation: Tephrochronology |
| c. 2,900 BCE | — | 2 | Correlation: Tephrochronology |
| c. 3,650 BCE | — | 2 | Correlation: Tephrochronology |
| c. 4,050 BCE | — | 2 | Correlation: Tephrochronology |
| c. 4,550 BCE | — | 2 | Correlation: Tephrochronology |
| c. 4,650 BCE | — | 2 | Correlation: Tephrochronology |
| c. 4,700 BCE | — | 2 | Correlation: Tephrochronology |
| c. 5,000 BCE | — | 2 | Correlation: Tephrochronology |
| c. 5,050 BCE | — | 3 | Correlation: Tephrochronology |
| c. 5,250 BCE | — | 2 | Correlation: Tephrochronology |
| c. 5,350 BCE | — | 2 | Correlation: Tephrochronology |
| c. 5,450 BCE | — | 2 | Correlation: Tephrochronology |
| c. 5,800 BCE | — | 2 | Correlation: Tephrochronology |
| c. 5,900 BCE | — | 2 | Correlation: Tephrochronology |
| c. 6,000 BCE | — | 2 | Correlation: Tephrochronology |
| c. 7,550 BCE | — | 2 | Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#300060)