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Actualités
Sunday, Jan 27, 2013
Current seismic recording at Tanaga volcano (TASE station, AVO)
Seismic activity is low. Some small local earthquakes including some aftershocks from the 21 Jan 5.1 quake are still occurring. ... lire toutes
Tuesday, Jan 22, 2013
Current seismic recording at Tanaga volcano (TASE station, AVO)
A magnitude M5.1 earthquake occurred 31 km at 7 km depth southwest of Tanaga yesterday morning. lire toutes
 

Tanaga volcan

Stratovolcanoes 1806 m / 5,925 ft
Aleutian Islands, 51.89°N / -178.15°W
Condition actuelle: normal / en sommeil (1 sur 5)
Tanaga webcams / données en temps réel | Reports
Tanaga livres
Last update: 23 Dec 2016
Style éruptif tipique: unspecified
Eruptions du volcan Tanaga: 1914 
HeureMag. / DepthDistanceLocation
Fri, 11 Sep 2020
Fri, 11 Sep 18:58 UTCM 3.5 / 17.3 km8 km104 Km W of Adak, Alaska (USA)
Thu, 10 Sep 2020
Thu, 10 Sep 06:32 UTCM 0.3 / 8.7 km9 km98 Km W of Adak, Alaska (USA)
Tanaga volcano is the second largest volcano of the central Aleutians. It is the central and highest of 3 young stratovolcanoes oriented along a roughly E-W line at the NW tip of Tanaga Island.

Introduction:

Arcuate ridges to the east and south represent the rim of an arcuate caldera formed by collapse of an ancestral Tanaga volcano during the Pleistocene. Most Holocene eruptions originated from Tanaga volcano itself, which consists of two large cones, the western of which is the highest, constructed within a caldera whose 400-m-high rim is prominent to the SE. At the westernmost end of the Tanaga complex is conical Sajaka, a 1304-m-high double cone that may be the youngest of the three volcanoes. Sajaka One volcano collapsed during the late Holocene, producing a debris avalanche that swept into the sea, after which Sajaka Two cone was constructed within the collapse scarp.
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Smithsonian / GVP volcano information


Derniers images satellite


See also: Sentinel hub | Landsat 8
 

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