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).


  • The 2018 Great Alaska ShakeOut and a message to Alaska from the 2018 Palu Earthquake. Learn more...
  • New release! 40Ar/39Ar data from the Tanacross D-1 and D-2, Big Delta B-4 and B-5, and Mount Hayes A-6 quadrangles, Alaska - RDF 2018-3
  • New release! Geologic map of the Umiat-Gubik area, central North Slope, Alaska - RI 2018-6
  • New release! Updated tsunami inundation maps for Homer and Seldovia, Alaska - RI 2018-5
  • New release! Alaska coastal mapping gaps & priorities - IC 72
  • New release! Photomicrographs of petrographic thin sections for the Umiat Test Well #2 and Umiat Test Well #11 wells - GMC 442
  • New release! Potential maximum permanent flooding, Seward, Alaska - RI 2010-1A
  • New release! Potential maximum permanent flooding, Nikolski, Alaska - RI 2016-7A
  • New release! Potential maximum permanent flooding, Whittier, Alaska - RI 2011-7B