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Mageik vulcano

Stratovolcano 2165? m / 7,103 ft
United States, Alaska Peninsula, 58.2°N / -155.25°W
Stato attuale: normal or dormant (1 di 5)

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Stile eruttivo tipico: non specificato
Eruzioni del vulcano Mageik: 500 BC ± 50 years

Latest nearby earthquakes

Data / oraMag. / ProfonditàDistanzaUbicazione
Mon, 12 Apr 2021 (GMT) (3 Terremoti)
12 Apr 2021 19:31:38 GMT
2.6

108 km - Di più
35 kmAlaska Peninsula, USA
12 Apr 2021 17:54:14 GMT
1.9

85 km - Di più
88 km17 Km NNW of Larsen Bay, Alaska, USA
12 Apr 2021 16:17:45 GMT
0.7

13 km - Di più
6.3 km80 Km NW of Karluk, Alaska, USA
Sun, 11 Apr 2021 (GMT) (1 terremoto)
11 Apr 2021 01:04:56 GMT
0.7

10.8 km - Di più
20 km81 Km NNW of Karluk, Alaska, USA
Fri, 9 Apr 2021 (GMT) (1 terremoto)
9 Apr 2021 22:32:44 GMT
1.6

1.7 km - Di più
111 km88 Km NNW of Aleneva, Alaska, USA

Sfondo

Mount Mageik is a broad ice-capped stratovolcano at the head of the Valley of Ten Thousand Smokes across Katmai Pass from Trident volcano. Four small overlapping peaks form the broad summit, three of which lie along a NE-SW trend south of the northern peak. The central summit consists of a lava dome, while the east, SW, and north volcanoes are capped by fragmental cones with ice-filled craters. The three westernmost summits are glaciated and of primarily Pleistocene age, but the East Mageik summit cone was the source of at least six Holocene eruptive episodes and fed Holocene lava flows that descended toward Katmai Pass and blanket the NE-to-SE flanks of the volcano. A young, 300-m-wide explosion crater between the east and central summits that formed about 2400-2500 years ago contains a shallow, acidic lake and many superheated fumarole jets. Three Holocene debris avalanches from south-flank failures descended into the Martin Creek drainages, one perhaps reaching the coast. Reports of historical eruptions from Mageik were questioned by Miller et al. (1998) and Hildreth and Fierstein (2000).
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8
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