53 datasets found
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State
Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present
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
Preliminary volcano-hazard assessment for Fisher volcano, Unimak Island, Alaska
State of 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... -
State
A Guide to the Late Quaternary History of Northern and Western Kenai Peninsula, Alaska
State of Alaska —
Between 27 and 11 kyr ago, during the last major (Naptowne) glaciation, the northwestern and western Kenai Peninsula and the Cook Inlet trough were covered by ice... -
State
Major-element oxide, trace element, and glass compositional analyses from Holocene to historical eruptions from Pavlof Volcano, Alaska
State of Alaska —
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),... -
State
Geologic map of the Iditarod C-3 Quadrangle, Alaska
State of Alaska —
Geologic map of the Iditarod C-3 Quadrangle, Alaska, Professional Report 96, provides 1:63,360 geologic mapping of the Iditarod C-3 Quadrangle. The Iditarod C-3... -
State
Geochemistry of some quaternary lavas from the Aleutian Arc and Mt. Wrangell
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This publication contains previously unpublished geochemical analyses or re-analyses of lavas, magmatic inclusions, and a few gabbroic cumulate inclusions from Alaska...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
Major-oxide and trace-element geochemical data from the tephra collected on Veniaminof volcano, Alaska
State of Alaska —
Alaska Volcano Observatory (AVO) geologists from the U.S. Geological Survey (USGS) and the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted... -
State
Geologic map of the Big Delta A-4 Quadrangle, Alaska
State of Alaska —
This map illustrates extents and types of unconsolidated deposits and bedrock in the Big Delta A-4 Quadrangle, Alaska. This map is based on field observations begun... -
State
Glass laser ablation-inductively coupled plasma-mass spectrometry analysis methods, precision, and accuracy data for tephra studies in Alaska
State of Alaska —
Glass laser ablation-inductively coupled plasma-mass spectrometry analysis methods, precision, and accuracy data for tephra studies in Alaska, Techniques and Methods... -
State
Geologic map of Mount Chiginagak volcano, Alaska
State of 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... -
State
Geologic map of Mount Chiginagak volcano, Alaska: Whole-rock geochemistry and 40Ar/39Ar geochronology data
State of Alaska —
Mount Chiginagak is a hydrothermally active volcano on the Alaska Peninsula, approximately 170 km south-southwest of King Salmon, Alaska. This small stratovolcano,... -
State
Zircon geochronology of Torok and Nanushuk Formations sandstones at Slope Mountain and a Seabee Formation tephra deposit at Ninuluk Bluff, central North Slope, Alaska
State of Alaska —
Zircon geochronology of Torok and Nanushuk Formations sandstones at Slope Mountain and a Seabee Formation tephra deposit at Ninuluk Bluff, central North Slope,... -
Federal
Mineralogy of tephra from the 2008 opening of Halemaʻumaʻu crater, Kīlauea Volcano, Hawaiʻi
Department of the Interior —
This data release contains geochemical data for volcanic tephra from Kīlauea Volcano, Hawaiʻi, sampled between March 19 and April 16, 2008. -
State
Measured stratigraphic section in the upper Schrader Bluff Formation (Late Campanian-Maastrichtian?), Ivishak River, Alaska
State of Alaska —
Preliminary Interpretive Report 2021-3, Measured stratigraphic section in the upper Schrader Bluff Formation (Late Campanian-Maastrichtian?), Ivishak River, Alaska,... -
State
The central Kuskokwim region, Alaska
State of Alaska —
The central Kuskokwim region, Alaska, Professional Paper 268, synthesizes the geology, ecology, and mineral resources of Alaska's central Kuskokwim region. Located... -
State
Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of Alaska —
Geology of Kasatochi volcano, Aleutian Islands, Alaska, Professional Report 123, shows the distribution of post-2008 volcanic rocks, other uncolidated deposits, and... -
Federal
Particle size distributions for tephra from the 2008 opening of Halemaʻumaʻu crater, Kīlauea Volcano, Hawaiʻi
Department of the Interior —
This data release contains geochemical data for volcanic tephra from Kīlauea Volcano, Hawaiʻi, sampled between March 19 and April 16, 2008. -
State
Geology of Kasatochi volcano, Aleutian Islands, Alaska
State of Alaska —
Kasatochi is a small, isolated island volcano in the center of the Aleutian Island chain. It consists of a roughly circular cone approximately 3 km in diameter with a... -
State
Tephra samples and analyses from Cook Inlet source volcanoes and Anchor Point, Alaska
State of Alaska —
Tephra samples and analyses from Cook Inlet source volcanoes and Anchor Point, Alaska, Raw Data File 2023-25, proivides samples and analyses collected from source... -
Federal
Vesicularity, grain size, and grain shape of basaltic pyroclasts from Kīlauea and Mauna Loa volcanoes, Island of Hawaiʻi
Department of the Interior —
This dataset includes sample information, vesicularity by pycnometer, grain size and shape data by CAMSIZER, and measurements of crushed and thin section mounted...
53 datasets found