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  • Guide to Geologic Hazards in Alaska
main content

Guide to Geologic Hazards in Alaska

Glossary
Coastal and river hazards image
Coastal and river hazards
  • Erosion
  • Flood
  • Glacial calving
  • Glacier flood
  • Ice push
  • Saltwater encroachment
  • Sea ice
  • Sea level rise
  • Storm surge
  • Tsunami
Earthquake related hazards image
Earthquake related hazards
  • Earthquake
  • Earthquake related slope failure
  • Fault displacement
  • Ground motion
  • Landslide
  • Lateral spread
  • Liquefaction
  • Seiche
  • Subsidence
  • Surface fault rupture
  • Tsunami
  • Uplift
Glacier hazards image
Glacier hazards
  • Avalanche
  • Debris flow
  • Glacial calving
  • Glacier flood
  • Glacier surge
Groundwater related hazards image
Groundwater related hazards
  • Groundwater contamination
  • Groundwater emergence
  • Saltwater encroachment
  • Subsidence
Permafrost and periglacial related hazards image
Permafrost and periglacial related hazards
  • Frost cracking
  • Frost heaving
  • Frost jacking
  • Ground ice
  • Icing
  • Periglacial slope failure
  • Thawing permafrost
Radon hazards image
Radon hazards
  • Dissolved radon
  • Radon gas
Slope instability hazards image
Slope instability hazards
  • Avalanche
  • Debris flow
  • Landslide
  • Lateral spread
  • Rockfall
  • Slump
  • Soil creep
Volcano hazards image
Volcano hazards
  • Ballistics
  • Debris avalanche
  • Directed blast
  • Jokulhlaup
  • Lahar
  • Landslide
  • Lava flow
  • Pyroclastic density current
  • Rockfall
  • Tsunami
  • Volcanic ash
  • Volcanic gas
Department of Natural Resources, Division of Geological & Geophysical Surveys (DGGS)
3354 College Road, Fairbanks, AK 99709
  • Phone: (907) 451-5000
  • Fax: (907) 451-5050
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