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Davidof volcano

Stratovolcano 328 m / 1,076 ft
United States, Aleutian Islands, 51.97°N / 178.33°E
Current status: (probably) extinct (0 out of 5)
Davidof volcano books
Typical eruption style: unspecified
Davidof volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Thu, 9 Mar
Thu, 9 Mar 02:26 UTCM 5.3 / 121.9 km52 km- 19km NNW of Little Sitkin Island, Alaska
Tue, 7 Mar
Tue, 7 Mar 14:23 UTCM 5.0 / 101 km13 kmRat Islands, Aleutian Islands
Fri, 3 Mar
Fri, 3 Mar 01:59 UTCM 2.7 / 114.3 km15 km- 14km SSE of Little Sitkin Island, Alaska
Tue, 28 Feb
Tue, 28 Feb 04:19 UTCM 3.4 / 103.2 km12 km- 11km S of Little Sitkin Island, Alaska
Fri, 17 Feb
Fri, 17 Feb 08:00 UTCM 4.3 / 99 km36 km RAT ISLANDS, ALEUTIAN ISLANDS
View all recent quakes

Background:

Five small islands, the largest of which is Davidof, are remnants of a stratovolcano that collapsed during the late Tertiary, forming a 2.7-km-wide caldera. The islands, the highest of which reaches only 328 m above sea level, include Khvostof, Pyramid, Lopy, and Davidof. The latter three islands form the eastern rim of the mostly submarine caldera, sometimes referred to as the "Aleutian Krakatau." The islands were constructed above a roughly 100-m-deep submarine platform extending NW-ward to Segula Island; the floor of the caldera lies 80 m below sea level. The islands are vegetated, but lava flows are recognizable, and Smith et al. (1978) suggested a possible Holocene age for the volcano.
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Smithsonian / GVP volcano information


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