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KVERT: ACTIVE VOLCANOES OF KAMCHATKA AND NORTHERN KURILES

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Maly Semyachik Volcano
GVP Number 300140
IAVCEI Number 1000-14-
Location 54°8'7" N, 159°40'26" E
Last Eruption 1952/12
Elevation 1560 m
Location
Volcano is located 20 km west from coast of the Kronotsky bay, 15 km northeast from Karymsky volcano, 140 km northeast from Petropavlovsk-Kamchatsky.
Form and structure
The structure of the volcano is 3 km long volcanic ridge build up with 3 close stratovolcanoes: Paleo-Semyachik, Meso-Semyachik, Ceno-Semyachic. Ceno-Semyachic include Troitsky crater with thermal Lake.
Composition
basalts, andesibasalts, andesites, dacites
Age
Paleo-Semyachik – 20,000 BP
Meso-Semyachik – 11,000 BP
Ceno-Semyachic – 8,100 BP
 
Links
 
Aviation color code
GREEN
Last VONA/KVERT Releases
Hazard synopsis
Hazard are therminal explosive eruptions which produce ash plumes, ash falls, pyroclastic and lahars.
Monitoring status
satellite
Eruptions
1952/12  
1945 – 1946  
1852  
1851/9 – 1852/7  
1804 (?)  


 
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