Maly Semyachik

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Maly Semyachik
Вулкан Малый Семянчик 2 (Камчатка).jpg
Maly Semyachik
with acidic crater lake
Elevation 1,560 m (5,120 ft)
Location
Location Kamchatka, Russia
Coordinates 54°08′N 159°40′E / 54.13°N 159.67°E / 54.13; 159.67
Geology
Type Stratovolcano within a caldera
Last eruption December 1952

Maly Semyachik (Russian: Малый Семячик) is a stratovolcano located in the eastern part of Kamchatka Peninsula, Russia. It is a compound stratovolcano located in a 10-km-wide caldera within the 15x20 km mid-Pleistocene Stena-Soboliny caldera. Three overlapping stratovolcanoes were constructed sequentially along a NE-SW line, with the youngest cone, Tseno-Semyachik, at the southwest end. A hot, acidic crater lake fills the historically active Troitsky Crater, which formed during a large explosive eruption of Ceno-Semiachik about 400 years ago.

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