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! Storm water level feature extraction from digital elevation models using intra-storm photographs - RI 2017-6
  • New release! Building an enterprise version of GeMS (formerly NCGMP09 map schema; presentation): Digital Mapping Techniques Workshop, Minneapolis, Minnesota, May 21-24 - Athey, J.E. and others, 2017
  • New release! Tsunami inundation maps for the city of Sand Point, Alaska - RI 2017-3
  • New release! 40Ar/39Ar ages of rocks collected from the Passage Canal area, Seward D-7 Quadrangle, Alaska - RDF 2017-4
  • New release! 2017 Data Stewardship Survey results - RDF 2017-3
  • New release! Surficial geologic map of the Shaktoolik area, Norton Bay Quadrangle, Alaska - RI 2017-5
  • New release! U-Pb and Lu-Hf isotope, age, and trace-element data from zircons at four sites in the western Alaska Range and Talkeetna Mountains, Alaska - RDF 2017-2
  • New release! 40Ar/39Ar data from rocks collected in the 2015 Wrangellia mineral assessment project area, Mount Hayes A-5, Mount Hayes B-6, and Talkeetna Mountains D-2 quadrangles, Alaska - RDF 2017-1