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KVERT: ACTIVE VOLCANOES OF KAMCHATKA AND KURILES

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Avachinsky Volcano
GVP Number 300100
IAVCEI Number 1000-10-
Location 53°15'22" N, 158°50'10" E
Last Eruption 2001/10/5
Elevation 2751 m
Location
The volcano belongs to the NW-trending chain of 5 volcanoes, which begins from the south the Eastern volcanic zone of Kamchatka. The volcano is located 25-30 km from Petropanlovsk-Kamchatsky and Yelizovo.
Form and structure
Volcano belongs to the Somma-Vesuvius type. The cone with the crater (diameter of 350 m) filled by eruption 1991 lava is located Inside of Somma (diameter of 4 km) eccentrically to the north.
Composition
Basalts, andesibasalts, andesites, dacites
Age
Upper Pleistocene for Pra-Avachinsky; ~ 4000 years for modern cone
 
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Aviation color code
GREEN
Last VONA/KVERT Releases
No VONA/KVERT Releases
Hazard synopsis
Potential hazards are caused by ash plumes, ash falls, lava and pyroclastic flows, hot avalanches and lahars. The volcanic dangerous zone threatened by lava and pyroclastic flows, hot avalanches does not exceed 10 km from the volcano. Ash falls and lahars present potential hazard for Petropavlovsk-Kamchatsky, Yelizovo and other settlements situated close to the volcano.

Avachinsky volcano exposes potential hazard to the Kamchatkan airports and aircrafts flying over Kamchatka because its eruptive clouds can rise to a height up to 10-15 km above sea level and extend for hundreds of kilometers.

Ash falls possible at:

Petropavlovsk-Kamchatsky (27 km to the south-south-west from the volcano)
Yelizovo (30 km to west-south-west)
Vilyuchinsk (55 km to the south-west)


Volcanic hazards map for Avachinsky volcano (Bazanova et al., 2001).
Monitoring status
seismic, web video camera, satellite, visual
Eruptions
2001/10/5  
1991/1/13 – 1991/1/30  
1945/2/25 – 1945/2/26  
1938/3/6 – 1938/3/27  
1926/3/27 – 1927/3  
1909/8 ±15 days – 1909/8  
1901/6/7 – 1901/6/13  
1894/10 – 1895/10  
1881  
1878  
1855/5/28 – 1855/5  
1827/6/27 – 1827/6/29  
1779/6/15 – 1779/6/16  
1772  
1737/7 ±1 month  


 
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