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Tana volcano

Stratovolcanoes 1170 m / 3,839 ft
United States, Aleutian Islands, 52.83°N / -169.77°W
Current status: dormant (1 out of 5)
Tana volcano books
Typical eruption style: unspecified
Tana volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Fri, 11 Aug
Fri, 11 Aug 14:39 UTCM 4.1 / 58.5 km35 km- 44km SW of Nikolski, Alaska
Wed, 9 Aug
Wed, 9 Aug 05:48 UTCM 5.3 / 41.5 km49 km- 49km SSW of Nikolski, Alaska
Wed, 9 Aug 05:40 UTCM 5.3 / 47.1 km56 km- 46km SSW of Nikolski, Alaska
Tue, 1 Aug
Tue, 1 Aug 05:01 UTCM 3.4 / 36.4 km5 km- 47km ENE of Yunaska Island, Alaska
View all recent quakes

Background:

The Tana volcanic complex forming the eastern half of the dumbbell-shaped Chuginadak Island, opposite the dramatic conical Cleveland stratovolcano, is composed of two prominent E-W-trending volcanoes. The complex shows evidence of glacial erosion, but the observation on satellite imagery of highly irregular coastlines forming peninsulas west of Applegate Cove on the NW side of the complex and Concord Point on the south side imply lava flows of mid- to late-Holocene age (Nye 2007, pers. comm.). Prominent lava flow levees are visible near Concord Point, where a low-silica rhyolite sample was obtained. The undissected cone and youthful crater forming the western summit also imply a post-glacial age, and youthful cinder cones also lie east of the isthmus between Cleveland and Tana volcanoes.
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Smithsonian / GVP volcano information

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