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Federal
NCEI/WDS Global Significant Earthquake Database, 2150 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Significant Earthquake Database is a global listing of over 5,700 earthquakes from 2150 BC to the present. A significant earthquake is classified as one that... -
Federal
NCEI/WDS Global Historical Tsunami Database, 2100 BC to Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Historical Tsunami Database provides information on over 2,400 tsunamis from 2100 BC to the present in the the Atlantic, Indian, and Pacific Oceans; and... -
Federal
Rock mass quality and structural geology observations in Glacier Bay National Park and Preserve, Alaska from the summers of 2021 and 2022
Department of the Interior —
Subaerial and submarine landslides adjacent to, and within, Glacier Bay, Glacier Bay National Park and Preserve (GBNPP), Alaska pose a threat to the public because of... -
Federal
2024 KEFJ Pedersen Lagoon Landslide SfM Imagery and GNSS
Department of the Interior —
Orthomosaics and Digital Surface Models of Pedersen Lagoon, the toe of Pedersen Glacier, and surrounding areas in Kenai Fjords National Park. These data were... -
State
Digital elevation model of Sitka Harbor and the city of Sitka, Alaska: Procedures, data sources, and quality assessment
State of Alaska —
The 0.53-second Sitka Alaska Digital Elevation Model provides bathymetric and topographic data in ASCII raster format of 0.53-second resolution in geographic... -
Federal
Map of landslide structures and kinematic elements at Barry Arm, Alaska in the summer of 2020
Department of the Interior —
Two active landslides at and near the retreating front of Barry Glacier at the head of Barry Arm Fjord in southern Alaska could generate tsunamis if they failed... -
State
Lidar-derived elevation data for Barry Arm, Southcentral Alaska, collected September 19, 2023
State of Alaska —
Lidar-derived elevation data for Barry Arm, Southcentral Alaska, collected September 19, 2023, Raw Data File 2025-8, releases classified point cloud, digital terrain... -
State
Tsunami inundation maps for Skagway and Haines, Alaska
State of Alaska —
In this report we evaluate potential tsunami hazards for the southeastern Alaska communities of Skagway and Haines and numerically model the extent of inundation from... -
Federal
Rock mass quality and structural geology observations in northwest Prince William Sound, Alaska from the summer of 2021
Department of the Interior —
Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a... -
State
Surficial geology of the Juneau urban area and vicinity, Alaska, with emphasis on earthquake and other geologic hazards
State of Alaska —
Surficial geology of the Juneau urban area and vicinity, Alaska, with emphasis on earthquake and other geologic hazards, Open-File Report 72-255, presents results... -
State
Tsunami inundation maps of Anchor Point, Kenai, Ninilchik, and Tyonek in Cook Inlet, Alaska
State of Alaska —
Tsunami inundation maps of Anchor Point, Kenai, Ninilchik, and Tyonek in Cook Inlet, Alaska, Report of Investigation 2024-4, evaluates potential tsunami hazards for... -
State
Lidar-derived elevation data for upper Barry Arm, Southcentral Alaska, June 26, 2020
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) used aerial lidar to produce a classified point cloud, digital terrain model (DTM), surface model... -
State
Photogrammetry-derived orthoimagery and elevation data for Barry Arm landslide, Southcentral Alaska, June 27, 2020
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) used Structure-from-Motion (SfM) photogrammetry from an unmanned aerial system (UAS) to... -
State
High resolution lidar-derived elevation data for Barry Arm landslide, Southcentral Alaska, June 26, 2020
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) used aerial lidar to produce a classified point cloud and high-resolution digital terrain model... -
State
Potential maximum permanent flooding, Port Valdez, Alaska
State of Alaska —
This digital data distribution package provides post-earthquake shorelines for coastal areas near Port Valdez, Alaska that become permanently flooded due to coseismic... -
State
Tsunami inundation maps for Adak and Atka, Alaska
State of Alaska —
We evaluate potential tsunami hazards for Adak and Atka by numerically modeling tsunami inundation generated by earthquakes along the Alaska-Aleutian subduction zone.... -
State
Tsunami inundation maps for Yakutat, Alaska
State of Alaska —
In this report we evaluate potential tsunami hazards for the southeastern Alaska community of Yakutat and numerically model the extent of inundation from tsunami... -
Federal
Simulated inundation extent and depth in Harriman Fjord and Barry Arm, western Prince William Sound, Alaska, resulting from the hypothetical rapid motion of landslides into Barry Arm Fjord, Prince William Sound, Alaska
Department of the Interior —
This data release contains postprocessed model output from a simulation of hypothetical rapid motion of landslides, subsequent wave generation, and wave propagation....