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Volcano news
Thursday, Oct 16, 2014
Strong ash emissions from the volcano were reported by a pilot shortly after midnight (UTC). The reported height of the plume was to up to 70,000 ft (21 km) altitude, which would indicate an unexpected, and sudden major explosion took place (if the observed plume was volcanic ash and not something else). Anchorage VAAC raised the Aviation Color Code to RED. read all
Thursday, Mar 07, 2013
Recent quakes near Iliamna
Seismicity has risen again at the volcano recently, earthquake-report mentioned. Events as large as M1.4 occurred along a (ring?) fracture located south of the volcano’s summit. ... read all
 

Volcanoes of Cook Inlet (SW Alaska) (5 volcanoes)

Augustine |Hayes |Iliamna |Redoubt |Spurr
Augustine
(Stratovolcano)
Augustine volcano (image: Peter Kelly, AVO/USGS)
Augustine is the most active volcano of the eastern Aleutian arc. It consists of several overlapping lava domes that frequently produce explosive eruptions and are notorious for collapsing, producing glowing avalanches (block and ash flows).
Augustine volcano had a devasta... [more]
Hayes
(stratovolcano)
Hayes volcano, named after Hayes Glacier, is a stratovolcano which was only discovered in 1975. It is located in a remote, mostly uninhabited and inaccessible part in the northern Tordrillo Mountains of the north-central Cook Inlet region about 135 km NW of Anchorage.
The ... [more]
Iliamna
(stratovolcano)
The summit of Iliamna volcano with active fumaroles (photo: Tina Neal, Alaska Volcano Observatory / USGS)
Iliamna volcano is a large stratovolcano on the western side of the Cook Inlet, in Lake Clark National Park 220 km SW of Anchorage or 100 km NW of Homer.
There are several uncertain reports about activity in the past 250 years, but the only confirmed known historical erupti... [more]
Redoubt
(stratovolcano)
Large stratovolcano in Alaska ca. 100 mi west of Anchorage. Redoubt last erupted in 1989. [more]
Spurr
(stratovolcano)
Mt Spurr volcano is the highest volcano in the Aleutian Volcanic Arc. the glacier-covered stratovolcano is located 130 km west of Anchorage and NE of Chakachamna Lake.
Mt Spurr had a violent sub-plinian eruption in 1992 and a large eruption in 1953, both ranking at VEI 4 a... [more]

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