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News
Saturday, Nov 11, 2006
Low-level earthquake activity continues at Fourpeaked volcano. Web camera views this past week show a typical steam plume rising several hundred meters above the summit. read all
Saturday, Feb 26, 2005
The first known historic eruption of Fourpeaked volcano on the Alaska peninsula is taking its course. Several vents emitting gasses and ash have appeared on the glacier-topped volcano and are slowly melting the ice cap. ... read all
 

Fourpeaked volcano

Stratovolcano 2105 m / 6,906 ft
United States, Alaska Peninsula, 58.77°N / -153.67°W
Current status: normal or dormant (1 out of 5) | Reports
Fourpeaked volcano books
Typical eruption style: unspecified
Fourpeaked volcano eruptions: 2006 
TimeMag. / DepthDistanceLocation
Mon, 13 Jul 2020
Mon, 13 Jul 03:42 UTCM 1.5 / 67.6 km29 km65 km NNW of Aleneva, Alaska (USA)
Sun, 12 Jul 2020
Sun, 12 Jul 12:03 UTCM 1.6 / 114.8 km29 kmAlaska Peninsula (USA)
Sat, 11 Jul 2020
Sat, 11 Jul 02:35 UTCM 1.6 / 84.2 km1 km91 km NNW of Aleneva, Alaska (USA)
Sun, 5 Jul 2020
Sun, 5 Jul 10:22 UTCM 1.14 km89 km NNW of Aleneva, Alaska (USA)
Fri, 3 Jul 2020
Fri, 3 Jul 17:39 UTCM 1.8 / 116.6 km27 km71 km SE of Kokhanok, Alaska (USA)
View all recent quakes

Background:

Poorly known Fourpeaked volcano in NE Katmai National Park consists of isolated outcrops surrounded by the Fourpeaked Glacier, which descends eastward almost to the Shelikof Strait. The orientation of andesitic lava flows and extensive hydrothermal alteration of rocks near the present 2105-m-high summit suggest that it probably marks the vent of Fourpeaked volcano. Eruptive activity during the Holocene had not been confirmed prior to the first historical eruption of Fourpeaked in September 2006. A N-trending fissure extending 1 km from the summit produced minor ashfall.
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Smithsonian / GVP volcano information


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