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Federal
Graph Theory for Analyzing Pair-wise Data: Application to Interferometric Synthetic Aperture Radar Data recent views
Department of Energy —
Graph theory is useful for estimating time-dependent model parameters via weighted least-squares using interferometric synthetic aperture radar (InSAR) data. Plotting... -
Federal
Plots of Wind Patterns for the World’s Volcanoes recent views
Department of the Interior —
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,... -
State
Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, Alaska recent views
State of Alaska —
DGGS Raw Data File 2022-6, Electron probe microanalytical data of minerals and glass from rock samples from Okmok volcano, Alaska, provides electron probe... -
State
Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska recent views
State of Alaska —
This dataset consists of the vector digital GIS files that were used to create sheet 1 of the "Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island,... -
State
Geologic map of Okmok Volcano recent views
State of Alaska —
Geologic map of Okmok Volcano, Report of Investigation 2023-1, shows the distribution of historic, Holocene, and late Pleistocene volcanic rocks and deposits related... -
State
Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present recent views
State of Alaska —
Tephra fall (volcanic ash) studies are a key component to understanding the frequency and magnitude of volcanic eruptions and conducting volcano-hazard assessments.... -
State
Geochemistry of some quaternary lavas from the Aleutian Arc and Mt. Wrangell recent views
State of Alaska —
This publication contains previously unpublished geochemical analyses or re-analyses of lavas, magmatic inclusions, and a few gabbroic cumulate inclusions from Alaska... -
State
Source compositions of large tephra-production eruptions in Alaska recent views
State of Alaska —
Source compositions of large tephra-production eruptions in Alaska, Raw Data File 2023-26, provides new in situ geochemical analyses from previously collected samples... -
State
The 2008 phreatomagmatic eruption of Okmok Volcano, Aleutian Islands, Alaska: Chronology, deposits, and landform changes recent views
State of Alaska —
Okmok volcano, Aleutian Islands, Alaska, explosively erupted over a five-week period between July 12 and August 23, 2008. The eruption was predominantly... -
State
Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska recent views
State of 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"... -
State
Tephra occurrence in Alaska: a map-based compilation of stratigraphic tephra data recent views
State of Alaska —
The principal hazard associated with future explosive eruptions of Alaska volcanoes is the generation of volcanic ash clouds which are explosively blasted high into... -
State
Geologic map of Okmok Volcano recent views
State of Alaska —
Geologic map of Okmok Volcano, Report of Investigation 2023-1, provides 40Ar/39Ar and radiocarbon geochronology data from Okmok Volcano and its eruptive products.... -
State
Digital elevation model (DEM) and shaded relief image of Okmok Caldera, 2010 recent views
State of Alaska —
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...