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Stepovak Bay 3 volcano

Cinder cone 1555 m / 5,102 ft
United States, Alaska Peninsula, 55.93°N / -160°W
Current status: (probably) extinct (0 out of 5) | Reports
Stepovak Bay 3 volcano books
Typical eruption style: unspecified
Stepovak Bay 3 volcano eruptions: unknown, no recent eruptions No recent earthquakes
TimeMag. / DepthDistanceLocation

Background:

A group of four late-Pleistocene to Holocene volcanoes is located along a NE-trending line SW of Kupreanof volcano. Stepovak Bay 3 cinder cone, located 3.5 km to the NE of Stepovak 2 cone, has a thick Holocene lava flow that originated from an indistinct, ice-filled 300-m-wide crater and entered the same valley as the lava flow from Stepovak Bay 2 (Wilson, 1989). Elsewhere (in Wood and Kienle, 1990), Wilson noted uncertainty about Holocene activity from Stepovak Bay 3.
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Smithsonian / GVP volcano information


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