-
Historical video footage of Mount St. Helens volcano, May 18-Dec 31, 1980
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Geologic map of Mount Chiginagak volcano, Alaska
Mount Chiginagak is a hydrothermally active volcano on the Alaska Peninsula, approximately 170 km south-southwest of King Salmon, Alaska. This small stratovolcano, approximately... -
Surficial geology of the Tyonek area, south-central Tyonek Quadrangle, Alaska
The Tyonek area in the northwestern Cook Inlet trough is rich in petroleum, coal, geothermal, aggregate, and timber resources, but the detailed geologic mapping necessary for... -
Geologic map of Mount Chiginagak volcano, Alaska
Report of Investigation 2017-10, Geologic map of Mount Chiginagak volcano, Alaska, provides 1:25,000 geologic mapping of the Chiginagak volcano. Mount Chiginagak is a... -
The 2008 phreatomagmatic eruption of Okmok Volcano, Aleutian Islands,...
Okmok volcano, Aleutian Islands, Alaska, explosively erupted over a five-week period between July 12 and August 23, 2008. The eruption was predominantly phreatomagmatic,... -
Historical video footage of Mount St. Helens volcano, May 18-Dec 31, 1980
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano - 1981
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano - 1981
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
California volcano locations, threat rank and hazard zones
The California volcano locations, threat rank and hazard zones data release contains two shapefiles for download or use as a web map service. The California Volcanic Center... -
Historical video footage of Mount St. Helens volcano - 1982
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano - 1982
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano, March 28-May 17, 1980
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano - 1982
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Major-element oxide, trace element, and glass compositional analyses from...
During the summers of 2017 and 2018, Alaska Volcano Observatory (AVO) geologists from the University of Alaska, Fairbanks (UAF), the U.S. Geological Survey (USGS), and the... -
Preliminary volcano-hazard assessment for Fisher volcano, Unimak Island, Alaska
Fisher volcano, containing the largest Holocene caldera in the Aleutian volcanic arc, is an active volcano near the center of Unimak Island, about 120 kilometers southwest of... -
Historical video footage of Mount St. Helens volcano - 1981
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano - 1981
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the... -
Historical video footage of Mount St. Helens volcano, May 18-Dec 31, 1980
This data release contains digital video files from the USGS of Mount St. Helens volcano in the months leading up to the cataclysmic eruption on May 18, 1980 as well as the...