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jeu., 1 avril 2021, 06:31
Low power likely due to snow cover has resulted in loss of operation and communication with all seismic stations at the volcano. ... Read all

Gareloi volcan

Stratovolcano 1573 m / 5,161 ft
United States, Aleutian Islands, 51.79°N / -178.79°W
Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 1 Apr 2021 (Volcanic Alert Level lowered to 'Unassigned')

Montrer carte interactive
Style éruptif tipique: unspecified
Eruptions du volcan Gareloi: 1989 

Latest nearby earthquakes

HeureMag. / ProfondeurDistanceLieu
Wed, 5 May 2021 (GMT) (1 séisme)
5 May 2021 13:34:53 GMT
2.9

24 km - Plus
kmBering Sea, 156 km à l'ouest de Adak, Zone de recensement d'Aleutians West, Alaska, États-Unis

Introduction

The 8 x 10 km diameter Gareloi Island, the northernmost volcano of the Delarof Group at the western end of the Andreanof Islands, consists of a stratovolcano with two summits and a SE-trending fissure. This prominent fissure was formed during an eruption in 1929 and extends from the southern summit to the sea. Steep sea cliffs that are cut into rocks of an older, eroded center are found on the SW coast, and submarine deposits of three debris avalanches produced by edifice collapse are found offshore. Young lava flows cover the older volcano from the 1573-m-high summit of Gareloi to the coast along three broad axes trending NW, ENE, and south. The 1929 eruption originated from 13 craters along a 4-km-long fissure. Phreatic explosions were followed by the ejection of glassy pumice, lapilli, scoria, and older blocks, as well as by the emission of four short, steep lava flows, one of which reached the SE coast.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8
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