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News
Current seismic recording at Tanaga volcano (TASE station, AVO)
Sunday, Jan 27, 2013
La actividad sísmica es baja. Algunos pequeños terremotos locales incluyendo algunas réplicas desde el 21 Jan 5.1 terremoto siguen produciéndose. [Leer más]
Current seismic recording at Tanaga volcano (TASE station, AVO)
Tuesday, Jan 22, 2013
Un terremoto de magnitud M5.1 ocurrieron 31 km en profundidad de 7 km al suroeste de Tanaga ayer por la mañana. ... [Leer más]
 

Tanaga volcano

Stratovolcanoes 1806 m / 5,925 ft
Aleutian Islands, 51.89°N / -178.15°W
Current status: normal or dormant (1 out of 5)
Tanaga webcams / datos en tiempo real | Reports
Tanaga volcano books
Last update: 23 Dec 2016
Typical eruption style: sin especificar
Erupciones del volcán Tanaga: 1914 No hay terremotos recientes
Fecha / HoraRevista / ProfundidadDistanciaUbicación
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.

Background:

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


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