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Volcanoes of Alaska
State of Alaska —
This dataset comprises the locations of volcanoes and volcanic centers in Alaska. -
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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... -
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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... -
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High Hazard Zone
State of Oregon —
Volcanic eruptions are most likely to occur in the Pacific Rim states, which include Oregon. The primary danger area around a volcano covers an approximately 20-mile... -
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Preliminary database of Quaternary vents in Alaska
State of Alaska —
The Alaska Volcano Observatory (AVO) uses an informal set of names for about 140 'volcanoes.' Some names refer to large, complex volcanic centers, while others... -
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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... -
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Volcano Hazard
State of Oregon —
Volcanic eruptions are most likely to occur in the Pacific Rim states, which include Oregon. The primary danger area around a volcano covers an approximately 20-mile... -
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Moderate Hazard Zone
State of Oregon —
Volcanic eruptions are most likely to occur in the Pacific Rim states, which include Oregon. The primary danger area around a volcano covers an approximately 20-mile... -
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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... -
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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),... -
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Historically active volcanoes of Alaska
State of Alaska —
This data lists the historically active volcanoes of Alaska and the year of the last major eruptive event. The volcanoes listed meet at least one of the following... -
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Electron probe microanalytical data of minerals and glass from rock samples from Pavlof Volcano, Alaska
State of Alaska —
Electron probe microanalytical data of minerals and glass from rock samples from Pavlof Volcano, Alaska, Raw Data File 2022-7, presents electron microprobe analytical... -
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Historically active volcanoes of Alaska
State of Alaska —
This data lists the historically active volcanoes of Alaska and the year of the last major eruptive event. The volcanoes listed meet at least one of the following... -
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The 2008 phreatomagmatic eruption of Okmok Volcano, Aleutian Islands, Alaska: Chronology, deposits, and landform changes
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... -
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Geologic map of Okmok Volcano
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... -
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Source compositions of large tephra-production eruptions in Alaska
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... -
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Tephra samples and analyses from the 2018-2023 eruption of Semisopochnoi Volcano, Alaska
State of Alaska —
Tephra samples and analyses from the 2018-2023 eruption of Semisopochnoi Volcano, Alaska, Raw Data File 2025-15, includes samples and analyses collected from the... -
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Historically active volcanoes of Alaska
State of Alaska —
This data lists the historically active volcanoes of Alaska and the year of the last major eruptive event. The volcanoes listed meet at least one of the following... -
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Ash fall contour map of the 2009 eruption of Redoubt Volcano, Alaska: Digital shapefiles of contours and sample locations
State of Alaska —
The 2009 eruption of Redoubt Volcano included 19 major tephra-producing explosions. Mass per unit area (MPUA) ash fall sampling of the resulting deposits allowed us... -
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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,...