Korovin volcano (Aleutian Islands, USA):

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Location of Korovin volcano (map created by Janet Schaefer, courtesy of Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys)

Korovin Volcano, Aleutian Islands erupts

samedi, févr. 26, 2005

Added on 10 March:

... [details]

Korovin volcan

stratovolcan 1533 m / 5030 ft
Andreanof Islands, Aleutian Islands, 52.38°N / -174.17°W
Condition actuelle: en sommeil (1 sur 5)

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Style éruptif tipique: Explosive
Eruptions du volcan Korovin: 1829(?), 1844(?), 1907(?), 1951(?), 1953(?), 1973, 1976(?), 1986(?), 1987, 1998, 2005, 2006
Derniers séismes proches:

Time	Mag. / Depth	Distance	Location
Sat, 8 Jun
Sat, 8 Jun 00:59 UTC	M 1.7 / 172 km	38 km	33km ESE of Atka, Alaska
Wed, 22 May
Wed, 22 May 12:36 UTC	M 2.5 / 91.4 km	17 km	37km WSW of Atka, Alaska
Tue, 14 May
Tue, 14 May 04:47 UTC	M 2.4 / 167.3 km	30 km	45km NNW of Atka, Alaska

Korovine est un stratovolcan 1533 m de hauteur dans les îles Aléoutiennes centrales et l'un des volcans plus actifs en Alaska. En moyenne, il a été actif tous les 10-15 ans, sa dernière éruption en novembre-décembre 2006 avec les émissions de cendres.

Introduction:

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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