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Terrestrial Tephra Spectral Library for the Visible-Near-Infrared and...
Visible/near-infrared (VNIR) and mid-infrared (MIR) spectral library composed of twenty natural tephra samples from ten volcanic sources that span a range of compositions and... -
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... -
Airborne geophysical survey: Shasta Peak, California
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude,... -
Terrestrial Tephra Spectral Library for the Visible-Near-Infrared and...
Visible/near-infrared (VNIR) and mid-infrared (MIR) spectral library composed of twenty natural tephra samples from ten volcanic sources that span a range of compositions and... -
Airborne geophysical survey: Shasta Peak, California
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude,... -
Terrestrial Tephra Spectral Library for the Visible-Near-Infrared and...
Visible/near-infrared (VNIR) and mid-infrared (MIR) spectral library composed of twenty natural tephra samples from ten volcanic sources that span a range of compositions and... -
Airborne geophysical survey: Shasta, California
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude,... -
Airborne geophysical survey: Shasta, California
Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude,... -
Chemical and isotopic compositions of gases from volcanic and geothermal...
Gas chemical and isotopic compositions are reported for samples collected from 9 volcanic and geothermal areas in California: Medicine Lake Volcano, Mount Shasta, Lassen...