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Douglas volcano

Stratovolcano 2140 m / 7,021 ft
United States, Alaska Peninsula, 58.86°N / -153.54°W
Current status: normal or dormant (1 out of 5) | Reports
Douglas volcano books
Last update: 10 Apr 2013
Typical eruption style: unspecified
Douglas volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Tue, 15 Jan
Tue, 15 Jan 00:18 UTCM 3.4 / 87 km6 km KODIAK ISLAND REGION, ALASKA
Sun, 13 Jan
Sun, 13 Jan 01:58 UTCM 2.3 / 43.3 km39 km- 109km SW of Homer, Alaska
Fri, 11 Jan
Fri, 11 Jan 13:47 UTCM 2.0 / 60.5 km11 km- 124km NNW of Kodiak Station, Alaska
Fri, 11 Jan 08:45 UTCM 2.8 / 67.4 km10 km- 130km SE of Old Iliamna, Alaska
Fri, 11 Jan 03:35 UTCM 2.1 / 61.4 km26 km- 122km NNW of Kodiak Station, Alaska
View all recent quakes
Glacier-covered, dissected Mount Douglas stratovolcano is located at the northern end of the Alaska Peninsula south of Kamishak Bay. The volcano, the NE-most in Katmai National Park, contains a small, ice-free summit crater lake and an active fumarole field.

Background:

The volcano was constructed above Cretaceous and Jurassic sedimentary rocks. A lake temperature of 25 degrees Centigrade and a pH of 1 were measured in 1982. The fumaroles, which are actively depositing sulfur, were all at the pressure boiling point in 1982 and heated up to 114-118 degrees in 1991. The fumaroles are located on the NE wall of the 160 x 200 m wide crater lake; some fumaroles are subaqueous and produce turbulence on the surface of the blue-green lake. Unglaciated and relatively uneroded lava flows are found on the NW flank of the volcano. The age of the most recent eruptions from Douglas is not known, but Nye et al. (1998) considered activity to have occurred during the Holocene.
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Smithsonian / GVP volcano information


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