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! 40Ar/39Ar data from rocks collected in 2013 in the Wrangellia mineral assessment area, Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles, Alaska - RDF 2014-18
  • New release! Alaska Volcano Observatory geochemical database - DDS 8
  • New release! Preliminary database of Quaternary vents in Alaska - MP 153
  • New release! Geochemical major-oxide, minor-oxide, trace-element, and rare-earth-element data from rock samples collected in 2013 in the Ray Mountains area, Bettles A-1 and A-6 quadrangles, Alaska - RDF 2014-17
  • New release! Zircon U-Pb age data, Alaska Highway Corridor, Tanacross and Nabesna quadrangles, Alaska - RDF 2014-16
  • New release! Contemporary shoreline retreat rates at Meshik in Port Heiden, Alaska - PIR 2014-4
  • New release! Tsunami inundation maps of Cordova and Tatitlek, Alaska - RI 2014-1
  • New release! Engineering-geologic map of the Dalton Highway from Galbraith Lake to Slope Mountain, southern Arctic Foothills, Alaska - PIR 2002-3