Earth:Maly Semyachik

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Maly Semyachik
Малый Семячик
Вулкан Малый Семянчик 2 (Камчатка).jpg
Maly Semyachik peak
Highest point
Elevation1,527 m (5,010 ft)
ListingList of volcanoes in Russia
Coordinates [ ⚑ ] : 54°08′N 159°40′E / 54.13°N 159.67°E / 54.13; 159.67
Geography
Maly Semyachik is located in Russia
Maly Semyachik
Maly Semyachik
Kamchatka, Russia
Geology
Mountain typeStratovolcano within a caldera
Last eruptionDecember 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.

Maly Semyachik with acidic crater lake

The water in the lake has an unusual bright turquoise color. It's because the waters of the lake are poisonous due to the content of several types of acids and other chemical compounds of the periodic table.

The water in the lake never freezes, even when everything is covered with a layer of ice and deep snow. The name "Semyachik" in translation from Itelmensky means "Stone Earth".

References