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Kaguyak ηφαίστειο

Τελευταία ανανενώση: 6 Δεκεμβρίου 2022 18:27 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)

Διαδραστικός χάρτης
Typical eruption style: δεν έχει καθοριστεί
Kaguyak ηφαίστειο εκρήξεις: 3850 BC (?) 

Latest nearby earthquakes

ΏραMag. / ΒάθοςΑπόσταση/Τοποθεσία
Παρασκευή, 2 Δεκεμβρίου 2022 GMT (1 σεισμός)
1 Δεκ 2022 15:55 (GMT -9) (2 Δεκ 2022 00:55 GMT)
2.3

77 km
8 km (5 mi)
126 km βορειοδυτικά από Kodiak Station, Kodiak Island, Αλάσκα, Ηνωμένες Πολιτείες
Δευτέρα, 28 Νοεμβρίου 2022 GMT (1 σεισμός)
28 Νοε 2022 11:49 (GMT -9) (28 Νοε 2022 20:49 GMT)
2.8

82 km
4.7 km (2.9 mi)
133 km βορειοδυτικά από Kodiak, Αλάσκα, Ηνωμένες Πολιτείες
Κυριακή, 27 Νοεμβρίου 2022 GMT (1 σεισμός)
26 Νοε 2022 19:50 (GMT -9) (27 Νοε 2022 04:50 GMT)
1.8

14 km
6.4 km (4 mi)
138 km βορειοδυτικά από Kodiak, Αλάσκα, Ηνωμένες Πολιτείες
Τρίτη, 22 Νοεμβρίου 2022 GMT (1 σεισμός)
22 Νοε 2022 13:13 (GMT -9) (22 Νοε 2022 22:13 GMT)
1.9

18 km
21 km (13 mi)
96 km νοτιοανατολικά από Kokhanok, Lake and Peninsula, Αλάσκα, Ηνωμένες Πολιτείες

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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