VOLCANOES OF NORTH KAMCHATKA
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Bezymianny volcano
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SRTM perspective view with Landsat overlay
Image Data: Landsat 7 ETM+ (bands 3, 2 ,1)
Original Data Resolution: SRTM 3 arcsecond
(90 meters), Landsat 30 meters.
Processing by Dmitry Melnikov.
IAVCEI #
1000-25
Lat/Long 55°58'N, 160°36'E
Last eruption 2008
Volcano edifice 2,882 m
 
Hazard synopsis
Moderate potential hazards are caused by ash plumes, ash falls, pyroclastic flows, hot avalanches and lahars.

The volcano constitutes a potential hazard to international and local airlines at Kamchatka because its eruptive clouds can rise to a height of 8-15 km ASL and extend for hundreds of kilometers from the volcano to different directions.

Ash falls possible at:
Klyuchi (40 km to the north-northeast from the volcano)
Kozyrevsk (47 km to the west-northwest)
Ust’-Kamchatsk (125 km to the north-east)
Ust’-Khairyuzovo (290 km to the north-west)
Ichinsky (315 km to the west-southwest)

Monitoring status
Seismic, visual, satellite monitoring, web video camera.
Form and structure
A complex massif: inside the explosive caldera 1956 in diameter 1.3x2.8 km, opened to the east, proceeds a growth of the lava dome Novy (New).
Volcanic activity

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.
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.
1956, April – present time – a growth of the lava dome Novy inside the explosive caldera 1956.
1956 – 1965 – extrusive-explosive eruption of the volcano.
1965, March 9-10 - 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.
1979, February 11 - explosive eruption: eruptive column up to 10 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.
1980, April 19 – explosive eruption: eruptive column up to 8-9 km ASL, 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.
1981, December 20 - explosive eruption: eruptive column up to 8-9 km ASL, ash falls to the north 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.
1983, May 22 - explosive eruption: ash falls to the east from the volcano, pyroclastic flows.
1984, February 16 - explosive eruption: ash falls to the west from the volcano, pyroclastic flows.
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.
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.
1986, June 24 - explosive eruption: ash falls to the south from the volcano, pyroclastic flows and surges.
1986, December 17 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the south-southeast from the volcano, 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.
1990, March 09 – explosive eruption: eruptive column up to 8-10 km ASL, ash falls, pyroclastic flows.
1992, March 11 - explosive eruption: eruptive column up to 5 km ASL, ash falls to the west 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.
1995, October 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.
1997, December 05 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the north-east 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.
2000, March 14 - explosive eruption: eruptive column up to 8 km ASL, ash falls to the west-north-west 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.
2001, August 06 - explosive eruption: eruptive column up to 10 km ASL, ash falls to the south-south-east 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.
2002, December 25 - explosive eruption: eruptive column up to 6-8 km ASL, ash falls to the west 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.
2004, January 13 – explosive eruption: eruptive column up to 6-8 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
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.
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.
2005, November 30 - explosive eruption: eruptive column up to 6 km ASL, ash falls to the west-south-west 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.
2006, December 24 - explosive eruption: eruptive column up to 13-15 km ASL, ash falls to the north-east from the volcano, pyroclastic flows.
2007, May 11 - explosive eruption: ash falls to the north, north-east from the volcano, pyroclastic flows.
2007, October 14-15 - explosive eruption: ash falls to the south-east from the volcano, pyroclastic flows.
2007, November 06 - explosive eruption: ash falls, pyroclastic flows.
2008, August 19 - explosive eruption: ash falls to the south-west from the volcano.

KVERT information releases.

State of Activity Kamchatkan Volcanoes.

Location
The volcano is located in the center of Klyuchevskaya group volcanoes of the Kamchatka, at a distance of 40 km from Klyuchi and of 350 km from Petropavlovsk-Kamchatsky.
Composition
Andesites predominant, besides dacites, andesibasalts and basalts.
Age
About 10000-11000 – Pra-Bezymianny volcano.
About 5500 – Bezymianny volcano.
 

Holocene Volcanoes in Kamchatka. Bezymianny volcano.

Literature about Bezymianny volcano.

The important dates of Volcanology. 50 years from the day of
         activity renewal after thousand-year silence.


Alexander I. Malyshev "The Life of the Volcano".


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