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Kaguyak volcano

Updated: Dec 2, 2022 13:56 GMT -
Lava domes 901 m / 2,956 ft
United States, Alaska Peninsula, 58.61°N / -154.03°W
Current status: normal or dormant (1 out of 5)

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Typical eruption style: unspecified
Kaguyak volcano eruptions: 3850 BC (?) 

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Friday, December 2, 2022 GMT (1 quake)
Dec 1, 2022 3:55 pm (GMT -9) (Dec 2, 2022 00:55 GMT)
2.3

77 km
8 km (5 mi)
78 mi northwest of Kodiak Station, Kodiak Island Borough, Alaska, USA
Monday, November 28, 2022 GMT (1 quake)
Nov 28, 2022 11:49 am (GMT -9) (Nov 28, 2022 20:49 GMT)
2.8

82 km
4.7 km (2.9 mi)
83 mi northwest of Kodiak, Alaska, USA
Sunday, November 27, 2022 GMT (1 quake)
Nov 26, 2022 7:50 pm (GMT -9) (Nov 27, 2022 04:50 GMT)
1.8

14 km
6.4 km (4 mi)
86 mi northwest of Kodiak, Alaska, USA
Tuesday, November 22, 2022 GMT (1 quake)
Nov 22, 2022 1:13 pm (GMT -9) (Nov 22, 2022 22:13 GMT)
1.9

18 km
21 km (13 mi)
60 mi southeast of Kokhanok, Lake and Peninsula, Alaska, USA
Sunday, November 20, 2022 GMT (1 quake)
Nov 20, 2022 5:03 am (GMT -9) (Nov 20, 2022 14:03 GMT)
1.8

78 km
9.4 km (5.8 mi)
77 mi northwest of Kodiak, Alaska, USA

Background

The small, but spectacular 2.5-km-wide Kaguyak caldera in the NE part of Katmai National Park is filled by a >180-m-deep lake whose surface lies more than 550 m below the caldera rim. Kaguyak volcano is only 901 m high, but rises directly from lowland areas near sea level south of the Big River. Initially considered to be a typical stratovolcano truncated by a caldera, the pre-caldera edifice has been shown to consist of nine continuguous late-Pleistocene lava dome clusters, most of which lie east of the present caldera. A large post-caldera lava dome extends into the lake on the SW side and another dome forms a small island in the center of the lake. The youthful caldera is unglaciated, and distal tephras from the caldera-forming eruption have been radiocarbon dated at about 5800 years before present. Voluminous dacitic pyroclastic-flow deposits surround the caldera and reached Shelikof Strait to the SE.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS

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