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Random pictures

Korovin volcano

Stratovolcano 1533 m / 5030 ft
Andreanof Islands, Aleutian Islands, 52.38°N / -174.17°W
Current status: normal or dormant (1 out of 5) | Reports
Korovin volcano books
Typical eruption style: Explosive
Korovin volcano eruptions: 1829(?), 1844(?), 1907(?), 1951(?), 1953(?), 1973, 1976(?), 1986(?), 1987, 1998, 2005, 2006
TimeMag. / DepthDistanceLocation
Thu, 18 Oct
Thu, 18 Oct 21:42 UTCM 1.1 / 2.9 km6 km- 12km N of Atka, Alaska
Thu, 18 Oct 21:12 UTCM 0.4 / 2.6 km7 km- 11km N of Atka, Alaska
Thu, 18 Oct 20:57 UTCM 1.1 / 2.8 km9 km- 12km NNW of Atka, Alaska
Thu, 4 Oct
Thu, 4 Oct 17:06 UTCM 0.3 / 5.4 km4 km- 12km N of Atka, Alaska
Tue, 18 Sep
Tue, 18 Sep 08:18 UTCM 1.7 / 61.9 km30 km- 28km SW of Atka, Alaska
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Korovin is a 1533 m high stratovolcano in the central Aleutian Islands and one of the most active volcanoes in Alaska. On average, it has been active every 10-15 years, its last eruption being in Nov-Dec 2006 with ash emissions.

Background:

Geologically, Korovin belongs to the Atka volcanic complex on northern Atka Island. The Atka complex comprises a broad ancient central shield volcano, upon which a larger stratovolcano had been built destroyed by caldera formation about 300,000 to 500,000 years ago.
Korovin has two summit vents 0.6 km apart. The northwestern summit vent is a symmetric cone with a small crater. The southeastern summit vent is on the remnant of a cone with a steep-walled crater, about 1 km wide at the rim and at least several hundred meters deep with vertical crater walls. It contains a turquoise green lake with solfataric activity.


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