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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
Sat, 20 Jan
Sat, 20 Jan 19:43 UTCM 4.7 / 131.1 km13 km- 13km SSE of Little Sitkin Island, Alaska
Sat, 13 Jan
Sat, 13 Jan 01:35 UTCM 5.2 / 75.5 km102 km- 37km WSW of Little Sitkin Island, Alaska
Mon, 8 Jan
Mon, 8 Jan 16:19 UTCM 3.8 / 63.9 km154 km- 39km SE of Little Sitkin Island, Alaska

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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