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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]
The Shishaldin Volcano began erupting July 11, according to the Alaska Volcano Observatory. A significant explosion at 1:09 a.m. Friday produced an ash cloud that reached up to 40,000 feet (12,192 ...
The Alaska Volcano Observatory also provided another threat notice for the Shishaldin volcano after it sent up a big plume of ash. #Shishaldin Aviation Color Code RED Issued: Saturday, July 15 ...
An ongoing eruption of a remote volcano in Alaska’s Aleutian Islands produced an ash cloud so large Tuesday that warnings were sent to pilots about potentially dangerous conditions ...
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 currently rates Douglas as Level of Concern Color Code Not Assigned. The volcano has a warm and highly acidic crater lake approximately 160 m (525 ft) wide. In 1982, the lake had a temperature of 21 °C and a pH of 1, and temperatures of 114-118°C were measured in 1991.
Still, the eruption was intense enough for Alaska Volcano Observatory scientists to issue their first red alert warning since 2009, when the state's Mount Redoubt had a series of eruptions that ...
The Alaska Volcano Observatory still monitors Katmai's activity as part of the Katmai Cluster, where there are five active stratovolcanos within 15 kilometers (9 mi) of Katmai. Visitors to the valley most commonly arrive via bus along the 20-mile (32 km) road from Brooks Camp , which is the only road in Katmai Park.