Welcome to the Alaska Division of Geological & Geophysical Surveys

Our mission: Determine the potential of Alaskan land for production of metals, minerals, fuels, and geothermal resources, the locations and supplies of groundwater and construction material, and the potential geologic hazards to buildings, roads, bridges, and other installations and structures (AS 41.08.020).


  • New release! Valdez Glacier ice-dammed lake: June 2017 glacial lake outburst flood - PIR 2017-4
  • New release! 40Ar/39Ar data from the Tok River area, Tanacross A-5 and A-6 quadrangles and adjoining areas, eastern Alaska Range - RDF 2017-5
  • New release! Kasatochi Island 2009 topography - MP 163
  • New release! Services of the Alaska Division of Geological & Geophysical Surveys - IC 12
  • New release! Photogrammetric data of the Haines Highway corridor: May 26, 2014 - RDF 2017-6
  • New release! Geology of Kasatochi volcano, Aleutian Islands, Alaska - PR 123
  • New release! Color-indexed elevation maps for flood-vulnerable coastal communities in western Alaska - MP 154 v.2
  • New release! Geologic Photos of Alaska - DDS 14. Learn more (DNR Media release)...