Zavaritsky Caldera Volcano
GVP Number  290180
IAVCEI Number  0900-18-
Location  46°56'3" N, 151°57'12" E
Last Eruption 1957/11/12 - 1957/12/4
Elevation 624 m
Caldera Zavaritsky is located in the southern half of Simushir Island, forming the third mountain range from the north
Form and structure
Traces of explosive eruptions in the form of explosion craters are noted in the volcano caldera, in addition, an extrusive dome is into the crater of a slag cone, and an effusive dome is in the crater lake are noting.
pyroxene andesites
Aviation color code
Last VONA/KVERT Releases
No VONA/KVERT Releases
Hazard synopsis
Ash clouds, ash falls, pyroclastic flows, hot avalanches and lahars are a potential hazard associated with explosive eruptions of this volcano. The volcano poses a potential hazard to international and local airlines passing in the Kuriles region, since the height of its ash emissions can reach 10-15 km above sea level, ash plumes and clouds can drift hundreds and thousands of kilometers from the volcano in different directions.
Monitoring status
1957/11/12 – 1957/12/4  

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