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Atka Vulkan

Aktualisiert: 25. Sep. 2022 02:10 GMT -
Stratovolcanoes 1451 m / 4,760 ft
United States, Aleutian Islands, 52.33°N / -174.14°W
Aktueller Status: normal / ruhend (1 von 5)
Last update: 22 Dez 2021 (Volcanic Alert Level lowered to Green)

Interaktive Karte anzeigen
Typische Aktivität: unspecified
Ausbrüche des Atka: 1987 

Letzte Erdbeben in der Nähe

UhrzeitMag. / TiefeEntfernung/Ort
Dienstag, 13. September 2022 GMT (1 Beben)
12. Sep. 2022 18:40 (GMT -9) (13. Sep. 2022 03:40 GMT)
3.0

224 km
32 km (20 mi)
Bering Sea, 33 km nordwestlich von Atka, Aleutians West, Alaska, USA

Beschreibung

The largest volcanic center in the central Aleutians, Atka consists of a central shield and Pleistocene caldera with several post-caldera volcanoes. A major dacitic explosive eruption accompanied formation of the caldera about 500,000 to 300,000 years ago. The most prominent of the post-caldera stratovolcanoes are Kliuchef and Sarichef, both of which may have been active in historical time. Sarichef has a symmetrical profile, but the less eroded Kliuchef is the source of most if not all historical eruptions. Kliuchef may have been active on occasion simultaneously with Korovin volcano to the north. Hot springs and fumaroles are located on the flanks of Mount Kliuchef and in a glacial valley SW of Kliuchef.
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Smithsonian / GVP volcano information

Atka Fotos




See also: Sentinel hub | Landsat 8 | NASA FIRMS
Fr, 27. Aug 2021, 22:23

Atka volcano (Aleutian Islands): Volcanic Alert Level lowered to Green

Atka volcanic complex (image: AVO)
The Alaska Volcano Observatory lowered the Aviation Color Code and Alert Level to "green", as the elevated seismic activity started to decrease gradually during the past few days and returned to background levels. ... Read all
Mi, 25. Aug 2021, 06:00

Atka volcano (Andreanof Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 August-31 August 2021 (New Activity / Unrest)

AVO lowered the Aviation Color Code and Volcano Alert Level for the Atka Volcanic Complex to Green and Normal, respectively, on 27 August, noting that seismicity had returned to baseline levels over the previous week. ... Read all
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