Snowy Mountain vulcano

Stratovolcanoes 2162 m / 7,093 ft
United States, Alaska Peninsula, 58.34°N / -154.68°W
Stato attuale: normal or dormant (1 di 5)

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Stile eruttivo tipico: non specificato
Eruzioni del vulcano Snowy Mountain: 1710 ± 200 years

Latest nearby earthquakes

Data / oraMag. / ProfonditàDistanza/Ubicazione
Sun, 13 Jun 2021 (GMT) (1 terremoto)
13 Jun 2021 06:08:36 GMT
1.6

70 km		44 km (27 mi)
67 Km WNW of Aleneva, Alaska
Fri, 11 Jun 2021 (GMT) (1 terremoto)
11 Jun 2021 04:09:14 GMT
0.7

4.3 km		44 km (27 mi)
87 Km NW of Karluk, Alaska
Thu, 10 Jun 2021 (GMT) (1 terremoto)
10 Jun 2021 01:59:23 GMT
0.1

15 km		12 km (7.5 mi)
85 Km NNW of Karluk, Alaska
Tue, 8 Jun 2021 (GMT) (1 terremoto)
8 Jun 2021 16:39:03 GMT
0.7

1.4 km		19 km (12 mi)
85 Km NNW of Karluk, Alaska
Mon, 7 Jun 2021 (GMT) (1 terremoto)
7 Jun 2021 00:08:02 GMT
1.5

3.1 km		40 km (25 mi)
88 Km NW of Karluk, Alaska

Sfondo

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.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8
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