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Douglas ηφαίστειο

Τελευταία ανανενώση: 6 Δεκεμβρίου 2022 18:33 GMT -
Stratovolcano 2140 m / 7,021 ft
United States, Alaska Peninsula, 58.86°N / -153.54°W
Current status: normal or dormant (1 out of 5)
Last update: 10 Apr 2013

Glacier-covered, dissected Mount Douglas stratovolcano is located at the northern end of the Alaska Peninsula south of Kamishak Bay. The volcano, the NE-most in Katmai National Park, contains a small, ice-free summit crater lake and an active fumarole field.

Διαδραστικός χάρτης
Typical eruption style: δεν έχει καθοριστεί
Douglas ηφαίστειο εκρήξεις: unknown, no recent eruptions

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
47 km (29 mi)
126 km βορειοδυτικά από Kodiak Station, Kodiak Island, Αλάσκα, Ηνωμένες Πολιτείες
Δευτέρα, 28 Νοεμβρίου 2022 GMT (2 σεισμοί)
28 Νοε 2022 11:49 (GMT -9) (28 Νοε 2022 20:49 GMT)
2.8

82 km
35 km (22 mi)
133 km βορειοδυτικά από Kodiak, Αλάσκα, Ηνωμένες Πολιτείες
28 Νοε 2022 02:00 (GMT -9) (28 Νοε 2022 11:00 GMT)
1.9

75 km
40 km (25 mi)
104 km νοτιοδυτικά από Homer, Kenai Peninsula, Αλάσκα, Ηνωμένες Πολιτείες
Τετάρτη, 23 Νοεμβρίου 2022 GMT (1 σεισμός)
22 Νοε 2022 18:39 (GMT -9) (23 Νοε 2022 03:39 GMT)
2.3

69 km
48 km (30 mi)
96 km νοτιοδυτικά από Homer, Kenai Peninsula, 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
19 km (12 mi)
96 km νοτιοανατολικά από Kokhanok, Lake and Peninsula, Αλάσκα, Ηνωμένες Πολιτείες

Background

The volcano was constructed above Cretaceous and Jurassic sedimentary rocks. A lake temperature of 25 degrees Centigrade and a pH of 1 were measured in 1982. The fumaroles, which are actively depositing sulfur, were all at the pressure boiling point in 1982 and heated up to 114-118 degrees in 1991. The fumaroles are located on the NE wall of the 160 x 200 m wide crater lake; some fumaroles are subaqueous and produce turbulence on the surface of the blue-green lake. Unglaciated and relatively uneroded lava flows are found on the NW flank of the volcano. The age of the most recent eruptions from Douglas is not known, but Nye et al. (1998) considered activity to have occurred during the Holocene.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
Wed, 10 Apr 2013, 06:04

Douglas volcano (United States, Alaska Peninsula) activity update

Map of recent quakes at Douglas volcano in Alaska
A series of earthquakes up to magnitude 2.6 has occurred in the past 24 hours beneath the eastern flank of the volcano at depths around 20 km. ... Read all
Wed, 9 Jan 2013, 09:16

Douglas volcano (United States, Alaska Peninsula) activity update

Several shallow magnitude 2+ earthquakes occurred over the past 1-2 days under Douglas and Fourpeaked volcanoes. You can check current earthquake activity at www.volcanodiscovery.com/douglas-earthquakes.html and www.volcanodiscovery.com/fourpeaked-earthquakes.html. ... Read all
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