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 |
|---|---|---|---|
| 15 August 1999 | continuing | 4 | Observations: Reported |
| 3 April 1999 | 12 April 1999 | 2 | Observations: Reported |
| 30 May 1998 | 3 September 1998 | 3 | Observations: Reported |
| 8 March 1997 | 4 April 1997 | 2 | Observations: Reported |
| 10 January 1990 | 16 February 1995 | 3 | Observations: Reported |
| 7 April 1989 | 26 June 1989 | 2 | Observations: Reported |
| 7 December 1988 | 7 December 1988 | 2 | Observations: Reported |
| 28 March 1986 | 28 February 1988 | 3 | Observations: Reported |
| 26 May 1985 | 25 October 1985 | 2 | Observations: Reported |
| 17 March 1984 | 6 September 1984 | 2 | Observations: Reported |
| 23 August 1980 | 1 December 1981 | 1 | Center of 1964 crater · Observations: Reported |
| 12 November 1964 | 12 November 1964 | 4 | Molodoy Sheveluch summit domes · Observations: Reported |
| 5 November 1944 | 6 April 1950 | 2 | Suelich · Observations: Reported |
| 1 February 1930 | — | 1 | Observations: Reported |
| 27 January 1928 | 15 April 1929 | 1 | Observations: Reported |
| 2 July 1905 | — | ? | Observations: Reported |
| 2 July 1897 | 2 July 1898 | 2 | Observations: Reported |
| 2 July 1879 | 2 July 1883 | 3 | Observations: Reported |
| 18 February 1854 | — | 5 | Observations: Reported |
| 1739 | — | 3 | Observations: Reported |
| c. 1700 | — | 3 | Correlation: Tephrochronology |
| 1652 ± 11 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 1550 | — | 3 | Correlation: Tephrochronology |
| c. 1430 | — | 4 | Isotopic: 14C (calibrated) |
| c. 1150 | — | 3 | Correlation: Tephrochronology |
| 1034 ± 23 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 1020 ± 40 years | — | 3 | Correlation: Tephrochronology |
| c. 970 ± 80 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 750 | — | 3 | Correlation: Tephrochronology |
| c. 700 | — | 3 | Correlation: Tephrochronology |
| 650 ± 40 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 630 | — | 3 | Western flank (Karan) · Correlation: Tephrochronology |
| c. 600 | — | 5 | Isotopic: 14C (calibrated) |
| c. 580 | — | 4 | Correlation: Tephrochronology |
| c. 530 | — | 3 | Correlation: Tephrochronology |
| c. 500 | — | 4 | Isotopic: 14C (calibrated) |
| c. 380 | — | 3 | Isotopic: 14C (calibrated) |
| c. 250 | — | 4 | Correlation: Tephrochronology |
| c. 230 | — | 3 | Correlation: Tephrochronology |
| 170 ± 20 years | — | 3 | Isotopic: 14C (calibrated) |
| c. 120 | — | 3 | Isotopic: 14C (calibrated) |
| c. 100 | — | 4 | Correlation: Tephrochronology |
| c. 10 BCE | — | 3 | Correlation: Tephrochronology |
| c. 150 BCE | — | 3 | West flank (Karan) · Correlation: Tephrochronology |
| c. 300 BCE | — | 4 | West flank (Karan) · Isotopic: 14C (calibrated) |
| c. 400 BCE | — | 3 | West flank (Karan) · Correlation: Tephrochronology |
| c. 500 BCE | — | 4 | Isotopic: 14C (calibrated) |
| c. 650 BCE | — | 3 | Correlation: Tephrochronology |
| 780 BCE ± 300 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 900 BCE | — | 3 | Correlation: Tephrochronology |
| c. 950 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 1,010 BCE | — | 3 | Correlation: Tephrochronology |
| 1,330 BCE ± 200 years | — | 3 | Isotopic: 14C (calibrated) |
| c. 1,500 BCE | — | 3 | Correlation: Tephrochronology |
| c. 1,650 BCE | — | 3 | Correlation: Tephrochronology |
| c. 1,700 BCE | — | 4 | Correlation: Tephrochronology |
| c. 2,000 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 2,100 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 2,150 BCE | — | 3 | Correlation: Tephrochronology |
| c. 2,200 BCE | — | 4 | Correlation: Tephrochronology |
| c. 2,490 BCE | — | 3 | Isotopic: 14C (calibrated) |
| c. 2,530 BCE | — | 3 | Correlation: Tephrochronology |
| 2,620 BCE ± 300 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 2,750 BCE | — | 3 | Correlation: Tephrochronology |
| c. 2,900 BCE | — | 3 | Correlation: Tephrochronology |
| c. 3,050 BCE | — | 3 | Correlation: Tephrochronology |
| c. 3,200 BCE | — | 4 | Correlation: Tephrochronology |
| c. 3,500 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 3,650 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 4,250 BCE | — | 3 | Correlation: Tephrochronology |
| c. 4,350 BCE | — | 3 | Isotopic: 14C (calibrated) |
| c. 4,400 BCE | — | 5 | Isotopic: 14C (calibrated) |
| c. 4,530 BCE | — | 3 | Isotopic: 14C (calibrated) |
| c. 4,900 BCE | — | 3 | Correlation: Tephrochronology |
| c. 5,400 BCE | — | 3 | Correlation: Tephrochronology |
| c. 5,500 BCE | — | 5 | Correlation: Tephrochronology |
| c. 6,000 BCE | — | 3 | Correlation: Tephrochronology |
| c. 6,100 BCE | — | 3 | Correlation: Tephrochronology |
| c. 6,200 BCE | — | 3 | Correlation: Tephrochronology |
| c. 6,350 BCE | — | 4 | Correlation: Tephrochronology |
| c. 6,380 BCE | — | 4 | Correlation: Tephrochronology |
| 6,400 BCE ± 150 years | — | 4 | Isotopic: 14C (calibrated) |
| c. 6,500 BCE | — | 3 | Correlation: Tephrochronology |
| c. 6,600 BCE | — | 4 | Correlation: Tephrochronology |
| c. 6,800 BCE | — | 5 | Correlation: Tephrochronology |
| c. 7,000 BCE | — | 3 | Correlation: Tephrochronology |
| c. 7,150 BCE | — | 5 | Correlation: Tephrochronology |
| c. 7,300 BCE | — | 5 | Correlation: Tephrochronology |
| 7,400 BCE ± 150 years | — | 5 | Isotopic: 14C (calibrated) |
| c. 7,500 BCE | — | 4 | Correlation: Tephrochronology |
| c. 7,550 BCE | — | 3 | Correlation: Tephrochronology |
| c. 7,600 BCE | — | 4 | Correlation: Tephrochronology |
| c. 7,630 BCE | — | 4 | Correlation: Tephrochronology |
| c. 7,700 BCE | — | 4 | Correlation: Tephrochronology |
| c. 7,750 BCE | — | 3 | Correlation: Tephrochronology |
| c. 7,850 BCE | — | 3 | Correlation: Tephrochronology |
| c. 7,950 BCE | — | 4 | Correlation: Tephrochronology |
| c. 8,100 BCE | — | 4 | Correlation: Tephrochronology |
| c. 8,200 BCE | — | 4 | Correlation: Tephrochronology |
| c. 8,350 BCE | — | 4 | Correlation: Tephrochronology |
| c. 8,450 BCE | — | 3 | Correlation: Tephrochronology |
| c. 8,500 BCE | — | 3 | Correlation: Tephrochronology |
Data: Global Volcanism Program, Smithsonian Institution (#300270)