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Mageik Volcano

Updated: Mar 28, 2024 15:17 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)

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Typical eruption style: unspecified
Mageik volcano eruptions: 500 BC ± 50 years

Latest nearby earthquakes

TimeMag. / DepthDistance / Location
Mar 20, 09:54 am (Anchorage)
Mar 20, 17:54 GMT
1.2

3.5 km
5.6 km (3.5 mi) to the W 86 km NW of Karluk, Alaska Info
Thursday, March 28, 2024 GMT (1 quake)
Mar 28, 01:24 am (Anchorage)
Mar 28, 09:24 GMT
1.0

11 km
18 km (11 mi) to the SW 85 km NW of Karluk, Alaska Info
Friday, March 15, 2024 GMT (2 quakes)
Mar 15, 10:30 am (Anchorage)
Mar 15, 18:30 GMT
0.8

19 km
23 km (14 mi) to the SW 87 km NW of Karluk, Alaska Info
Mar 15, 10:28 am (Anchorage)
Mar 15, 18:28 GMT
0.8

20 km
22 km (13 mi) to the SW 87 km NW of Karluk, Alaska Info
Monday, March 18, 2024 GMT (1 quake)
Mar 17, 11:35 pm (Anchorage)
Mar 18, 07:35 GMT
0.7

2.2 km
20 km (12 mi) to the E 82 km NNW of Karluk, Alaska Info
Tuesday, March 19, 2024 GMT (1 quake)
Mar 19, 01:08 am (Anchorage)
Mar 19, 09:08 GMT
0.6

1.1 km
3.8 km (2.4 mi) to the W 85 km NW of Karluk, Alaska Info

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

Latest satellite images

mageik satellite image sat1mageik satellite image sat2

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