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Denison volcano

Stratovolcano 2287 m / 7,503 ft
United States, Alaska Peninsula, 58.42°N / -154.45°W
Current status: (probably) extinct (0 out of 5)
Denison volcano books
Typical eruption style: unspecified
Denison volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Tue, 25 Jul
Tue, 25 Jul 03:35 UTCM 1.5 / 2 km28 km- Alaska Peninsula
Wed, 19 Jul
Wed, 19 Jul 08:00 UTCM 1.71 km- Alaska Peninsula
Tue, 18 Jul
Tue, 18 Jul 17:19 UTCM 0.4 / 6.5 km7 km- 95km NW of Larsen Bay, Alaska
Sat, 15 Jul
Sat, 15 Jul 07:13 UTCM 1.11 km- Alaska Peninsula
Tue, 11 Jul
Tue, 11 Jul 13:28 UTCM 1.5 / 1.4 km2 km- 102km NW of Larsen Bay, Alaska
View all recent quakes

Background:

Mount Denison lies near the head of the Serpent Tongue, Hook, and Hallo glaciers NE of Snowy volcano. This poorly known section of Katmai National Park contains a cluster of four closely spaced and mostly ice-covered vents. Mount Denison lies at the SW end of this volcanic chain, which also includes Steller, Kukak, and Devils Desk volcanoes. Orientation of lava flows and a thick cross-bedded tephra deposit suggest that a vent is located near Mount Denison (Swanson, in Wood and Kienle 1990). The precise age of the most recent activity at Denison is not known.
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Smithsonian / GVP volcano information


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