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Kaguyak volcan

Mise à jour: 4 oct.. 2022 10:36 GMT -
Lava domes 901 m / 2,956 ft
United States, Alaska Peninsula, 58.61°N / -154.03°W
Condition actuelle: normal / en sommeil (1 sur 5)

Montrer carte interactive
Style éruptif tipique: unspecified
Eruptions du volcan Kaguyak: 3850 BC (?) 

Derniers séismes proches

HeureMag. / ProfondeurDistance/Lieu
lundi, 3 octobre 2022 GMT (3 séismes)
3 oct. 2022 10:48 (GMT -8) (3 oct.. 2022 18:48 GMT)
0.5

6.4 km
40 km (25 mi)
92 Km N of Karluk, Alaska
3 oct. 2022 10:48 (GMT -8) (3 oct.. 2022 18:48 GMT)
0.5

6.4 km
40 km (25 mi)
Alaska Peninsula
2 oct. 2022 21:26 (GMT -8) (3 oct.. 2022 05:26 GMT)
0.5

7.9 km
29 km (18 mi)
103 Km S of Kokhanok, Alaska
lundi, 26 septembre 2022 GMT (1 séisme)
25 sept. 2022 20:17 (GMT -8) (26 sept.. 2022 04:17 GMT)
0.7

12 km
36 km (22 mi)
93 Km N of Karluk, Alaska

Introduction

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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