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In late May, 2009, activity decreased and the Alaska Volcano Observatory lowered the alert level. A nearly six-month period of relative quiet at the volcano ended on December 27, 2009, with renewed earthquake swarms. The AVO subsequently raised the alert level, and again warned of the possibility of a more vigorous eruption due to dome collapse ...
Alaska Volcano Observatory Archived 2010-04-20 at the Wayback Machine (to follow 2009 volcanic activity by geologists reports) Live updates from the AVO Twitter page. Webcams: Redoubt Volcano Webcam Archived 2009-04-01 at the Wayback Machine, USGS (intermittently available). View of north flank of Redoubt from AVO's Redoubt Hut, approximately 7 ...
The Alaska Volcano Observatory (AVO) is a joint program of the United States Geological ... Redoubt Volcano in the Chigmit Mountains within Lake Clark National Park ...
(Reuters) - An Alaska volcano that has been spewing ash and lava for years began erupting with new intensity this week, pushing a plume of smoke and ash as high as 24,000 feet (7,315 meters) and ...
The Alaska Volcano Observatory (AVO) ... Casadevall, T. J. (1994). The 1989/1990 eruption of Redoubt Volcano Alaska: impacts on aircraft operations.
Redoubt volcano in eruption. Redoubt is the park's active volcano. 10,197 feet (3,108 m) high, about 10 kilometres (6.2 mi) in diameter and with a volume of about 30 to 35 cubic kilometers, the stratovolcano rises through the Chigmit batholith. It has a 1.8-kilometre (1.1 mi) wide summit crater.
The volcanic ash that could have brought KML Flight 867 crashing into the Talkeetna Mountains traveled 150 miles from the erupting Redoubt Volcano, according to a USGS fact sheet.
In October 2006, the United States Geological Survey (USGS) adopted a nationwide alert system for characterizing the level of unrest and eruptive activity at volcanoes. The system is now used by the Alaska Volcano Observatory, the California Volcano Observatory (California and Nevada), the Cascades Volcano Observatory (Washington, Oregon and Idaho), the Hawaiian Volcano Observatory and the ...