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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 ...
Mount Redoubt on March 31, 2009. An ash cloud is hanging over the summit and the valley is covered in volcanic ash. Alaska 's Mount Redoubt volcano began erupting on March 22, 2009, and activity continued for several months. During the eruptions, which lasted for several months, reports found ash clouds reaching as high as 65,000 feet (20,000 m ...
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 Alaska Volcano Observatory (AVO) is a joint program of the United States Geological Survey (USGS), the Geophysical Institute of the University of Alaska Fairbanks (UAFGI), and the State of Alaska Division of Geological and Geophysical Surveys (ADGGS). [3] AVO was formed in 1988, and uses federal, state, and university resources to monitor ...
Augustine Volcano. Augustine Volcano (Sugpiaq: Utakineq; [3] Dena'ina: Chu Nula) is a stratovolcano in Alaska consisting of a central complex of summit lava domes and flows surrounded by an apron of pyroclastic, lahar, avalanche, and ash deposits. The volcano is frequently active, with major eruptions recorded in 1883, 1935, 1963–64, 1976 ...
Famous Alaska volcano sees seismic unrest after more than 30-year slumber. Scott Sistek. October 24, 2024 at 6:29 PM. Mount Spurr on a cloudless sunny morning, as seen from AVO monitoring station ...
Puff model. The Puff model is a volcanic ash tracking model developed at the University of Alaska Fairbanks. It requires windfield data on a geographic grid covering the area over which ash may be dispersed. Representative ash particles are initiated at the volcano's location and then allowed to advect, diffuse, and settle within the atmosphere.
Shishaldin Volcano, or Mount Shishaldin (/ ʃɪˈʃældən /), is one of six active volcanoes on Unimak Island in eastern the Aleutian Islands of Alaska. [1] It is the highest mountain peak of the Aleutian Islands, rising to a height of 9,373 ft (2,857 m) above sea level. [2][3] Shishaldin's magma supply is generated via flux melting above the ...