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Mageik ηφαίστειο

Τελευταία ανανενώση: 1 Δεκεμβρίου 2022 19:31 GMT -
Stratovolcano 2165? m / 7,103 ft
United States, Alaska Peninsula, 58.2°N / -155.25°W
Current status: normal or dormant (1 out of 5)

Διαδραστικός χάρτης
Typical eruption style: δεν έχει καθοριστεί
Mageik ηφαίστειο εκρήξεις: 500 BC ± 50 years

Latest nearby earthquakes

ΏραMag. / ΒάθοςΑπόσταση/Τοποθεσία
Τετάρτη, 30 Νοεμβρίου 2022 GMT (2 σεισμοί)
29 Νοε 2022 21:02 (GMT -9) (30 Νοε 2022 06:02 GMT)
2.2
14 km (8.7 mi)
86 km βορειοδυτικά από Karluk, Kodiak Island, Αλάσκα, Ηνωμένες Πολιτείες
29 Νοε 2022 20:58 (GMT -9) (30 Νοε 2022 05:58 GMT)
2.5
13 km (8.1 mi)
85 km βορειοδυτικά από Karluk, Kodiak Island, Αλάσκα, Ηνωμένες Πολιτείες
Τετάρτη, 23 Νοεμβρίου 2022 GMT (1 σεισμός)
23 Νοε 2022 00:18 (GMT -9) (23 Νοε 2022 09:18 GMT)
2.5
7.9 km (4.9 mi)
98 km νοτιοανατολικά από King Salmon, Bristol Bay, Αλάσκα, Ηνωμένες Πολιτείες
Κυριακή, 20 Νοεμβρίου 2022 GMT (2 σεισμοί)
20 Νοε 2022 05:35 (GMT -9) (20 Νοε 2022 14:35 GMT)
4.1

7.1 km
5.2 km (3.2 mi)
173 km δυτικά από Kodiak, Αλάσκα, Ηνωμένες Πολιτείες
19 Νοε 2022 23:23 (GMT -9) (20 Νοε 2022 08:23 GMT)
1.9

1.3 km
12 km (7.5 mi)
86 km βορειοδυτικά από Karluk, Kodiak Island, Αλάσκα, Ηνωμένες Πολιτείες

Background

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 | NASA FIRMS

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