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Davidof Island description and information



Official Name: Davidof Island
Type:Caldera remnant
Most Recent Activity:
Seismically Monitored: No
Elevation: 1076 ft (328 m)
Latitude: 51.9542° N
Longitude:178.326° E
Quadrangle:Rat Islands
CAVW Number:311040
Pronunciation: Sound file
Associated Features:Khvostof
Pyramid Island
Lopy Island
Crater Bay
Nearby towns:Shemya Station 186 mi (299 km) NW
Adak 215 mi (346 km) SE
Attu Station 225 mi (362 km) NW
Atka 318 mi (511 km) NE
Anchorage 1349 mi (2171 km) NE
From Wood and Kienle (1990) [1]: "Davidof, Khvostof, and nearby small islands Pyramid and Lopy rise 100 m above a submarine platform as the remnants of a collapsed caldera. This 'Aleutian Krakatoa' is thought to have formed during the late Tertiary, but the volcano is essentially unstudied. The islands are covered by vegetation; however lava flows can be recognized on aerial photographs. Lavas and pyroclastic layers form the islands, and rocks on the northern part of Davidof and Lopy Island are intensely hydrothermally altered."
Volcanoes of North America: United States and Canada, 1990
Wood, C. A., and Kienle, Juergen, (eds.), 1990, Volcanoes of North America: United States and Canada: New York, Cambridge University Press, 354 p.

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Page modified: September 29, 2020 12:19
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