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News
Thursday, Jul 30, 2020
Cloudy Skies at Makushin volcano (C) U.S. Geological Survey
The Alaskan Volcano Observatory (AVO) report that the small earthquakes which began on June 15 continues. These earthquakes are located southeast of the summit. No activity was observed in cloudy satellite and web camera imagery. alles lesen
Wednesday, Jul 01, 2020
Makushin volcano today (image: AVO)
The Alaska Volcano Observatory (AVO) reported that the seismicity continues at fluctuating levels since 24 June. This is associated with two earthquakes on 28 June with magnitude M 3.0 and 3.8 at 16:53 and 18:02 local time. All of the earthquakes are clustered about 10 km (6 miles) east of the summit of the volcano at a depth of about 8 km (5 miles). The largest earthquakes have been felt strongly by residents of Unalaska. ... alles lesen
 

Makushin Vulkan

Stratovolcano 1800 m / 5,905 ft
Aleutian Islands, 53.89°N / -166.92°W
Aktueller Status: unruhig (2 von 5)
Makushin Webcams / aktuelle Daten | Berichte
Makushin Vulkan-Bücher
Last update: 30 Jul 2020
Typische Aktivität: unspecified
Ausbrüche des Makushin: 1995 
UhrzeitMag. / TiefeDistanceOrt
Tue, 4 Aug 2020
Tue, 4 Aug 08:50 UTCM 0.5 / 8.3 km9 km16 km WSW of Dutch Harbor, Alaska (USA)
Tue, 4 Aug 05:37 UTCM 0.8 / 7 km9 km16 km WSW of Dutch Harbor, Alaska (USA)
Tue, 4 Aug 05:31 UTCM 0.6 / 8 km9 km17 km WSW of Dutch Harbor, Alaska (USA)
Tue, 4 Aug 05:30 UTCM 0.7 / 8.2 km10 km16 km W of Unalaska, Alaska (USA)
Tue, 4 Aug 04:35 UTCM 1.0 / 8 km9 km17 km WSW of Dutch Harbor, Alaska (USA)
Alle anzeigen
Makushin volcano is an ice-covered 1800-m-high stratovolcano on northern Unalaska Island west of the town of Dutch Harbor. The volcano contains a 2.5-km-wide caldera. Its broad, domical shape contrasts with the usual steep-sided profile of most other volcanoes in the Aleutians.

Beschreibung:

Much of the volcano was formed during the Pleistocene, but the caldera (which formed about 8000 years ago), Sugarloaf cone on the ENE flank, and a cluster of about a dozen explosion pits and cinder cones at Point Kadin on the WNW flank, are of Holocene age. A broad band of NE-SW-trending satellitic vents cuts across the volcano. The composite Pakushin cone, with multiple summit craters, lies 8 km to the SW of Makushin. Frequent explosive eruptions have occurred during the past 4000 years, sometimes accompanied by pyroclastic flows and surges. Geothermal areas are found in the summit caldera of Makushin and on the SE and eastern flanks of the volcano. They represent the largest and most investigated high-temperature geothermal resources in Alaska. Small-to-moderate explosive eruptions have been recorded at Makushin since 1786.
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Smithsonian / GVP volcano information


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