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 |
|---|---|---|---|
| 5 October 2001 | 5 October 2001 | 1 | Observations: Reported |
| 13 January 1991 | 30 January 1991 | 2 | Observations: Reported |
| 25 February 1945 | 25 February 1945 | 4 | Observations: Reported |
| 6 March 1938 | 1 December 1938 | 3 | Observations: Reported |
| 27 March 1926 | 14 March 1927 | 4 | Observations: Reported |
| 16 August 1909 | — | 2 | Observations: Reported |
| 7 July 1901 | 13 July 1901 | 2 | Observations: Reported |
| 16 October 1894 | 16 February 1895 | 2 | Observations: Reported |
| 2 July 1881 | — | 2 | Observations: Reported |
| 2 July 1878 | — | 2 | Observations: Reported |
| 28 May 1855 | 4 September 1855 | 2 | Observations: Reported |
| 13 August 1854 | — | 2 | Observations: Reported |
| 21 December 1853 | 14 March 1854 | 2 | Observations: Reported |
| 26 November 1851 | 14 February 1852 | 2 | Observations: Reported |
| 17 April 1828 | — | 2 | Observations: Reported |
| 27 June 1827 | 29 June 1827 | 4 | Observations: Reported |
| 15 June 1779 | 16 June 1779 | 3 | Observations: Reported |
| 1772 | — | 2 | Observations: Reported |
| August 1737 | August 1737 | 3 | Observations: Reported |
| c. 1550 | — | ? | Isotopic: 14C (uncalibrated) |
| c. 1400 | — | ? | Isotopic: 14C (uncalibrated) |
| c. 1200 | — | ? | Correlation: Tephrochronology |
| c. 1100 | — | ? | Correlation: Tephrochronology |
| c. 900 | — | ? | Correlation: Tephrochronology |
| c. 700 | — | ? | Correlation: Tephrochronology |
| c. 400 | — | ? | Correlation: Tephrochronology |
| c. 100 | — | ? | Correlation: Tephrochronology |
| c. 1,350 BCE | — | 5 | Isotopic: 14C (uncalibrated) |
| c. 1,500 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 1,700 BCE | — | ? | Correlation: Tephrochronology |
| c. 2,100 BCE | — | ? | Correlation: Tephrochronology |
| c. 2,300 BCE | — | ? | Correlation: Tephrochronology |
| c. 2,500 BCE | — | ? | Correlation: Tephrochronology |
| 2,530 BCE ± 300 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 2,650 BCE | — | ? | Correlation: Tephrochronology |
| c. 2,900 BCE | — | ? | Correlation: Tephrochronology |
| c. 2,950 BCE | — | ? | Correlation: Tephrochronology |
| 3,200 BCE ± 150 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 3,400 BCE | — | ? | Correlation: Tephrochronology |
| c. 3,500 BCE | — | ? | Correlation: Tephrochronology |
| c. 3,700 BCE | — | ? | Correlation: Tephrochronology |
| 3,790 BCE ± 100 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 4,050 BCE | — | ? | Correlation: Tephrochronology |
| c. 4,200 BCE | — | ? | Correlation: Tephrochronology |
| c. 4,250 BCE | — | ? | Correlation: Tephrochronology |
| 4,340 BCE ± 75 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 4,400 BCE | — | ? | Correlation: Tephrochronology |
| 4,460 BCE ± 100 years | — | 4 | Isotopic: 14C (calibrated) |
| 4,550 BCE ± 200 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 5,450 BCE | — | ? | Correlation: Tephrochronology |
| c. 5,500 BCE | — | ? | Correlation: Tephrochronology |
| c. 5,600 BCE | — | ? | Correlation: Tephrochronology |
| c. 5,700 BCE | — | ? | Correlation: Tephrochronology |
| 5,980 BCE ± 100 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 6,100 BCE | — | ? | Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#300100)