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Snowy Mountain volcano

Updated: Mar 1, 2024 06:57 GMT -
Stratovolcanoes 2162 m / 7,093 ft
United States, Alaska Peninsula, 58.34°N / -154.68°W
Current status: normal or dormant (1 out of 5)

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Typical eruption style: unspecified
Snowy Mountain volcano eruptions: 1710 ± 200 years

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Feb 28, 12:42 am (Anchorage)
Feb 28, 09:42 GMT


4.8 km
5.8 km (3.6 mi) to the SW 92 mi northwest of Kodiak, Kodiak Island Borough, Alaska, USA More
Monday, February 26, 2024 GMT (1 quake)
Feb 26, 02:26 am (Anchorage)
Feb 26, 11:26 GMT


6.5 km
12 km (7.6 mi) to the NW Lake and Peninsula, 97 mi northwest of Kodiak, Kodiak Island Borough, Alaska, USA More
Friday, February 16, 2024 GMT (2 quakes)
Feb 16, 10:54 am (Anchorage)
Feb 16, 19:54 GMT


1.2 km
29 km (18 mi) to the W Lake and Peninsula, 105 mi west of Kodiak, Kodiak Island Borough, Alaska, USA More
Feb 16, 10:52 am (Anchorage)
Feb 16, 19:52 GMT


3.8 km
30 km (18 mi) to the W Lake and Peninsula, 106 mi west of Kodiak, Kodiak Island Borough, Alaska, USA More
Sunday, February 25, 2024 GMT (1 quake)
Feb 25, 09:51 am (Anchorage)
Feb 25, 18:51 GMT


1.2 km
20 km (13 mi) to the W Lake and Peninsula, 102 mi west of Kodiak, Kodiak Island Borough, Alaska, USA More
Thursday, February 22, 2024 GMT (1 quake)
Feb 22, 12:50 am (GMT -9)
Feb 22, 09:50 GMT


6.8 km
26 km (16 mi) to the SE 76 mi west of Kodiak, Kodiak Island Borough, Alaska, USA More


Glacier-covered, 2161-m-high Snowy Mountain, located 15 km NE of Mount Katmai, is the SW-most of a chain of closely spaced volcanoes extending NE along the crest of the Alaska Range. More than 90% of the compound Snowy volcano is mantled by glacial ice, which prompted the naming of the volcano by members of the 1917 Katmai expedition. Two small andesitic-dacitic stratovolcanoes, SW Snowy and NE Snowy, originated about 200,000 years ago. Only NE Snowy has been active during the Holocene. Late-Holocene collapse of this volcano produced a large debris avalanche that traveled to the north and left a large breached crater inside which a blocky lava dome was constructed. Peat beneath an ash layer thought to be associated with the the lava dome was radiocarbon dated at about 250 +/- 70 years ago. No historical eruptive activity has been documented, but fumarolic activity has been observed at NE Snowy. A zone of persistent diffuse shallow seismicity is located on and NW of the volcano.
Smithsonian / GVP volcano information

See also: Sentinel hub | Landsat 8 | NASA FIRMS

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