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! Reanalysis of historical U.S. Geological Survey sediment samples for geochemical data from the western part of the Wrangellia terrane, Anchorage, Gulkana, Healy, Mt. Hayes, Nabesna, and Talkeetna Mountains quadrangles, Alaska - RDF 2014-5
  • New release! Major-oxide and trace-element geochemical data from rocks collected in 2014 in the Wrangellia mineral assessment area, Talkeetna Mountains C-4, C-3, and B-4 quadrangles, Alaska - RDF 2014-22
  • New release! Alaska Coastal Profile Tool (ACPT) - DDS 7
  • New release! 40Ar/39Ar data, Styx River map area, Lime Hills C-1 Quadrangle, Alaska - RDF 2014-21
  • New release! 40Ar/39Ar data, Ray Mountains area, Bettles Quadrangle, Alaska - RDF 2014-19
  • New release! Color-indexed elevation maps for flood-vulnerable coastal communities in western Alaska - MP 154
  • New release! Preliminary characterization of brittle deformation on the Iniskin Peninsula: Implications for the kinematic history of the Bruin Bay fault system, lower Cook Inlet, Alaska - PIR 2014-5
  • New release! Tsunami inundation maps of the villages of Chenega Bay and northern Sawmill Bay, Alaska - RI 2014-3