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Federal
Collection USGS National Geologic Map Database Collection 94 recent views
U.S. Geological Survey, Department of the Interior —
The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. According to the... -
Federal
Global Volcano Locations Database 77 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
NCEI maintains a database of over 1,500 volcano locations obtained from the Smithsonian Institution Global Volcanism Program, Volcanoes of the World publication. The... -
Federal
Hawaii Volcanism: Impact on the Environment 59 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Fewer than one hundred people have been killed by eruptions in the recorded history of Hawaii, and only one death has occurred in the 20th Century. However, the lava... -
State
Geologic map of Mount Chiginagak volcano, Alaska 18 recent views
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... -
Federal
Volcanic Rocks and Features 13 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Volcanoes have contributed significantly to the formation of the surface of our planet. Volcanism produced the crust we live on and most of the air we breathe. The... -
State
Volcanic Vents in Alaska 12 recent views
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... -
State
Quaternary or Quaternary-Tertiary Volcanic Rocks in Alaska 10 recent views
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... -
State
Historically active volcanoes of Alaska 10 recent views
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... -
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
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... -
Federal
Hawaii Volcanism: Lava Forms
National Oceanic and Atmospheric Administration, Department of Commerce —
Over the last several million years the Hawaiian Islands have been built of successive lava flows. They are the most recent additions in a long line of volcanoes that... -
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
Latitudes and longitudes of volcanoes in Alaska
State of Alaska —
This publication provides digital point data for the locations of 127 volcanic centers in Alaska younger than 2 million years. Information about whether a volcano has... -
Federal
Mount Pinatubo Revisited; A Study of Lahar Erosion
National Oceanic and Atmospheric Administration, Department of Commerce —
At dawn on June 15, 1991, a cataclysmic eruption began with a tremendous explosion that destroyed ten deserted villages. This eruption deposited approximately 5 to 7... -
State
Geothermal Gradient Test Holes in 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... -
Federal
Hawaii Island Lava Flow Hazard Zones
Federal Geographic Data Committee —
The classification of lava flow hazard zones on the island of Hawaii was made by the United States Geological Survey in 1974. The risk levels are based on the... -
Federal
Fire vs Water: Erosional/Depositional Geology, Hawaiian Islands
National Oceanic and Atmospheric Administration, Department of Commerce —
Even a casual, untrained observer will see evidence that opposing forces have formed the Hawaiian Islands. The massive and lofty volcanoes have been scoured, abraded,... -
State
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... -
State
Potential Exploration Areas for Geothermal Resources in 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... -
Federal
Volcanoes in Eruption - Set 1
National Oceanic and Atmospheric Administration, Department of Commerce —
The word volcano is used to refer to the opening from which molten rock and gas issue from Earth's interior onto the surface, and also to the cone, hill, or mountain...