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Chiginagak volcano

Stratovolcano 2221 m / 7,287 ft
United States, Alaska Peninsula, 57.14°N / -156.99°W
Current status: normal or dormant (1 out of 5) | Reports
Chiginagak volcano books
Typical eruption style: unspecified
Chiginagak volcano eruptions: 1998 
TimeMag. / DepthDistanceLocation
Mon, 27 Jul 2020
Mon, 27 Jul 20:56 UTCM 1.6 / 119.3 km20 km35 km S of Ugashik, Alaska (USA)
Tue, 12 May 2020
Tue, 12 May 19:53 UTCM 1.3 / 88.6 km12 km143km NE of Chignik Lake, Alaska (USA)
Thu, 27 Feb 2020
Thu, 27 Feb 13:44 UTCM 2.19 km152km NE of Chignik Lake, Alaska (USA)
Fri, 7 Feb 2020
Fri, 7 Feb 20:40 UTCM 2.1 / 7.3 km7 kmAlaska Peninsula (USA)
Thu, 30 Jan 2020
Thu, 30 Jan 02:17 UTCM 3.518 km156km NE of Chignik Lake, Alaska (USA)
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Background:

The symmetrical, calc-alkaline Chiginagak stratovolcano located about 15 km NW of Chiginagak Bay contains a small summit crater, which is breached to the south, and one or more summit lava domes. Satellitic lava domes occur high on the NW and SE flanks of the glacier-mantled volcano. An unglaciated lava flow and an overlying pyroclastic-flow deposit extending east from the summit are the most recent products of Chiginagak. They most likely originated from a lava dome at 1687 m on the SE flank, 1 km from the summit of the volcano, which has variably been estimated to be from 2075 to 2221 m high. Brief ash eruptions were reported in July 1971 and August 1998. Fumarolic activity occurs at 1600 m elevation on the NE flank of the volcano, and two areas of hot-spring travertine deposition are located at the NW base of the volcano near Volcano Creek.
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Smithsonian / GVP volcano information

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