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News
Map of recent quakes at Douglas volcano in Alaska
Wednesday, Apr 10, 2013
A series of earthquakes up to magnitude 2.6 has occurred in the past 24 hours beneath the eastern flank of the volcano at depths around 20 km. [more]
Wednesday, Jan 09, 2013
Several shallow magnitude 2+ earthquakes occurred over the past 1-2 days under Douglas and Fourpeaked volcanoes. You can check current earthquake activity at www.volcanodiscovery.com/douglas-earthquakes.html and www.volcanodiscovery.com/fourpeaked-earthquakes.html. [more]

Douglas volcano

Stratovolcano 2140 m / 7,021 ft
United States, Alaska Peninsula, 58.86°N / -153.54°W
Current status: dormant (1 out of 5)
Douglas volcano books
Last update: 10 Apr 2013
Typical eruption style: unspecified
Douglas volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Sat, 7 Oct
Sat, 7 Oct 13:34 UTCM 2.1 / 85.2 km10 km- 115km N of Larsen Bay, Alaska
Wed, 4 Oct
Wed, 4 Oct 11:39 UTCM 1.4 / 113.6 km36 km- 93km SSE of Old Iliamna, Alaska
Mon, 2 Oct
Mon, 2 Oct 06:06 UTCM 3.0 / 99 km18 km- 118km SSE of Old Iliamna, Alaska
Sun, 1 Oct
Sun, 1 Oct 11:16 UTCM 1.6 / 113.5 km31 km- 99km SSE of Old Iliamna, Alaska
Fri, 29 Sep
Fri, 29 Sep 14:39 UTCM 1.91 km- 120km SSE of Old Iliamna, 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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