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2010, June 01 - explosive eruption: ash falls to the west from the volcano, pyroclastic flows.
2009, December 16-17 - explosive eruption: ash falls to the west from the volcano, pyroclastic flows.
2008, August 19 - explosive eruption: ash falls to the south-west from the volcano, pyroclastic flows.
2007, November 06 - explosive eruption: ash falls, pyroclastic flows.
2007, October 14-15 - explosive eruption: ash falls to the south-east from the volcano, pyroclastic flows.
2007, May 11 - explosive eruption: ash falls to the north, north-east from the volcano, pyroclastic flows.
2006, December 24 - explosive eruption: eruptive column up to 13-15 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
2006, May 09 - explosive eruption: eruptive column up to 15 km ASL, ash falls to the east-northeast from the volcano, pyroclastic flows.
2005, November 30 - explosive eruption: eruptive column up to 6 km ASL, ash falls to the west-south-west from the volcano, pyroclastic flows.
2005, January 11 – explosive eruption: eruptive column up to 8-10 km ASL, ash falls to the west-south-west from the volcano, pyroclastic flows and surges.
2004, June 18 - explosive eruption: eruptive column up to 8-10 km ASL, ash falls to the north-east and later south-east from the volcano, pyroclastic flows.
2004, January 13 – explosive eruption: eruptive column up to 6-8 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
2003, July 26 – explosive eruption: eruptive column up to 8-11 km ASL, ash falls to the west from the volcano, pyroclastic flows.
2002, December 25 - explosive eruption: eruptive column up to 6-8 km ASL, ash falls to the west from the volcano, pyroclastic flows.
2001, December 15 - explosive eruption: eruptive column up to 4-5 km ASL, ash falls to the north-west from the volcano, pyroclastic flows.
2001, August 06 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the south-south-east from the volcano, pyroclastic flows.
2000, November 02 - explosive eruption: eruptive column up to 6.5 km ASL, ash falls to the south-west from the volcano, pyroclastic flows.
2000, March 14 - explosive eruption: eruptive column up to 8 km ASL, ash falls to the west-north-west from the volcano, pyroclastic flows.
1999, February 25 - explosive eruption: eruptive column up to 8 km ASL, ash falls to the south-east from the volcano, pyroclastic flows.
1997, December 05 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
1997, May 09 - explosive eruption: eruptive column up to 13.5 km ASL, ash falls to the east- north-east from the volcano, pyroclastic flows and surges.
1995, October 05 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
1993, October 20-23 - explosive eruption: eruptive column up to 8-12 km ASL, ash falls to the south-east from the volcano, pyroclastic flows.
1992, March 11 - explosive eruption: eruptive column up to 5 km ASL, ash falls to the west from the volcano, pyroclastic flows.
1990, March 09 – explosive eruption: eruptive column up to 8-10 km ASL, ash falls, pyroclastic flows.
1989, August 02 - explosive eruption: eruptive column up to 5-6 km ASL, ash falls to the north-west from the volcano, pyroclastic flows.
1986, December 17 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the south-southeast from the volcano, pyroclastic flows.
1986, June 24 - explosive eruption: ash falls to the south from the volcano, pyroclastic flows and surges.
1985, June 29 – July 02 - explosive eruption: eruptive column up to 10-15 km ASL, ash falls to the south-east from the volcano, pyroclastic flows and surges.
1984, October 12-13 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east from the volcano, pyroclastic flows and surges.
1984, February 16 - explosive eruption: ash falls to the west from the volcano, pyroclastic flows.
1983, May 22 - explosive eruption: ash falls to the east from the volcano, pyroclastic flows.
1982, June 10 - explosive eruption: eruptive column up to 8-9 km ASL, ash falls to the east from the volcano, pyroclastic flows.
1980, April 19 – explosive eruption: eruptive column up to 8-9 km ASL, pyroclastic flows.
1981, December 20 - explosive eruption: eruptive column up to 8-9 km ASL, ash falls to the north from the volcano, pyroclastic flows.
1981, June 12-13 – explosive eruption: eruptive column up to 8-9 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
1979, September 17-18 - explosive eruption: eruptive column up to 8 km ASL, pyroclastic flows.
1979, February 11 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
1977, March 25 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
1965, March 9-10 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
1956 – 1965 – extrusive-explosive eruption of the volcano.
1956, April – present time – a growth of the lava dome Novy inside the explosive caldera 1956.
1956, March 30 – large catastrophic eruption of the volcano: eruptive column up to 45 km ASL; ash falls to the north-east from the volcano; deposits of directed blasts, avalanches, pyroclastic flows, lahars. VEI- 4
1955, October 22 - Awakening of the volcano after thousand-year silence. Explosive eruption: eruptive column up to 10 km ASL, ash falls to the south-east, north, north-west, and north-east from the volcano.
Source: KVERT