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Digital elevation model (DEM) and shaded relief image of Okmok Caldera, 2010
In response to significant morphologic changes in Okmok Caldera due to the phreatomagmatic eruption of Okmok volcano in 2009, a new digital elevation model was acquired to... -
Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska
This shaded relief image of Okmok Volcano serves as the basemap for sheet 1 of the "Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska" (DGGS RI... -
Tephra occurrence in Alaska: a map-based compilation of stratigraphic tephra ...
The principal hazard associated with future explosive eruptions of Alaska volcanoes is the generation of volcanic ash clouds which are explosively blasted high into the... -
Plots of Wind Patterns for the World’s Volcanoes
This product includes rose diagrams and tables of wind patterns at volcanoes listed in the Smithsonian Institution’s Volcanoes of the World Database. At each volcano, the speed... -
The 2008 phreatomagmatic eruption of Okmok Volcano, Aleutian Islands, Alaska:...
Okmok volcano, Aleutian Islands, Alaska, explosively erupted over a five-week period between July 12 and August 23, 2008. The eruption was predominantly phreatomagmatic,... -
Graph Theory for Analyzing Pair-wise Data: Application to Interferometric Syn...
Graph theory is useful for estimating time-dependent model parameters via weighted least-squares using interferometric synthetic aperture radar (InSAR) data. Plotting... -
Plots of Wind Patterns for the World’s Volcanoes
This product includes rose diagrams and tables of wind patterns at volcanoes listed in the Smithsonian Institution’s Volcanoes of the World Database. At each volcano, the speed... -
30-meter shaded relief image of Okmok Volcano, Umnak Island, Alaska
This 30-meter, horizontal, cell-size, shaded relief, georeferenced TIFF image of Okmok Volcano, Umnak Island, Alaska, was created by combining digital elevation model (DEM) data...