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Akutan Vulkan

Aktualisiert: 29. Jan. 2023 13:51 GMT -
Stratovolcano 1303 m / 4,275 ft
Aleutian Islands, USA, 54.13°N / -165.99°W
Aktueller Status: normal / ruhend (1 von 5)
Last update: 24 Feb 2022 (small earthquake swarms)

Akutan volcano is one of the most active stratovolcanoes of the Aleutian arc. The volcano has a 2-km-wide caldera with an active intracaldera cone.

Interaktive Karte anzeigen
Typische Aktivität: unspecified
Ausbrüche des Akutan: 1992

Letzte Erdbeben in der Nähe

UhrzeitMag. / TiefeEntfernung/Ort
Freitag, 27. Januar 2023 GMT (3 Beben)
27. Jan. 2023 10:06 (GMT -9) (27. Jan. 2023 19:06 GMT)
0.4

19 km
2.2 km (1.4 mi)
12 Km W of Akutan, Alaska
27. Jan. 2023 08:12 (GMT -9) (27. Jan. 2023 17:12 GMT)
0.7

8.7 km
48 km (30 mi)
4 Km SSE of Unalaska, Alaska
27. Jan. 2023 00:44 (GMT -9) (27. Jan. 2023 09:44 GMT)
0.1

8.1 km
48 km (30 mi)
4 Km S of Unalaska, Alaska
Donnerstag, 26. Januar 2023 GMT (2 Beben)
26. Jan. 2023 02:23 (GMT -9) (26. Jan. 2023 11:23 GMT)
0.4

9.1 km
35 km (22 mi)
11 Km ENE of Unalaska, Alaska
25. Jan. 2023 15:37 (GMT -9) (26. Jan. 2023 00:37 GMT)
0.3

3.1 km
4.6 km (2.9 mi)
17 Km W of Akutan, Alaska

Beschreibung

An older, largely buried caldera was formed during the late Pleistocene or early Holocene. Two volcanic centers are located on the NW flank. Lava Peak is of Pleistocene age, and a cinder cone lower on the flank produced a lava flow in 1852 that extended the shoreline of the island and forms Lava Point. The 60-365 m deep younger caldera was formed during a major explosive eruption about 1600 years ago and contains at least three lakes. The currently active large cinder cone in the NE part of the caldera has been the source of frequent explosive eruptions with occasional lava effusion that blankets the caldera floor. A lava flow in 1978 traveled through a narrow breach in the north caldera rim almost to the coast. Fumaroles occur at the base of the caldera cinder cone, and hot springs are located NE of the caldera at the head of Hot Springs Bay valley and along the shores of Hot Springs Bay.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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