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Existing Vegetation
State of Oregon —
This is a dataset download, not a document. The Open Document button will start the download.This data layer is an element of the Oregon GIS Framework. This data... - 
  
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Geologic map of the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska
State of Alaska —
Geologic map of the Mount Edgecumbe volcanic field, Kruzof Island, southeastern Alaska, Miscellaneous Investigations Series Map 1983, provides 1:63,360 geologic... - 
  
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Photogrammetry-derived orthoimagery and digital surface model of the central part of the Lost Jim Lava Flow, Imuruk Lake volcanic field, Alaska, collected August 2016
State of Alaska —
Photogrammetry-derived orthoimagery and digital surface model of the central part of the Lost Jim Lava Flow, Imuruk Lake volcanic field, Alaska, collected August... - 
  
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Geologic map of the Makushin volcanic field, Unalaska Island, Alaska
State of Alaska —
Report of Investigation 97-20, Geologic map of the Makushin volcanic field, Unalaska Island, Alaska, covers most of the north end of Unalaska Island, which is the... - 
  
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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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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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Geologic map of the Tok River area, Tanacross A-5 and A-6 quadrangles, eastern Alaska Range, Alaska
State of Alaska —
Preliminary Interpretive Report PIR 2017-3, Geologic map of the Tok River area, Tanacross A-5 and A-6 quadrangles, eastern Alaska Range, Alaska, provides... - 
  
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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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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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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,... - 
  
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Geothermal Resources of Alaska
State of Alaska —
Between 1979 and 1982, the Alaska Division of Geological & Geophysical Surveys (DGGS) and the Geophysical Institute, University of Alaska Fairbanks, undertook an... - 
  
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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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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... - 
  
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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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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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Major-oxide and trace-element geochemistry of mafic rocks in the Carboniferous Lisburne Group, Ivishak River area, northeastern Brooks Range, Alaska
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys, in collaboration with the University of Alaska Fairbanks, collected mafic rocks in the Ivishak River area... - 
  
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Historically active volcanoes of Alaska
State of Alaska —
This data lists the historically active volcanoes of Alaska, their location in latitude/longitude decimal degrees, and the year of the last major eruptive event. The... - 
  
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Geologic map of Okmok Volcano
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.... - 
  
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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...