Earthquakes are a hazard in Cascadia and throughout most of the western United States. To see how earthquakes and related hazards could affect your community, explore the resources available for your state/territory:
Alaska: Geological Survey and Earthquakes Center
Arizona: Geological Survey
California: Geological Survey
Colorado: Geological Survey
Commonwealth of the Northern Mariana Islands and Guam: USGS
Hawaii: USGS / Hawaiian Volcano Observatory
Idaho: Geological Survey
Montana: Bureau of Mines & Geology
Nevada: Bureau of Mines & Geology
New Mexico: Bureau of Geology & Mineral Resources
Oregon: Department of Geology & Mineral Resources
Utah: Geological Survey and Earthquakes in Utah
Washington: Geological Survey
Wyoming: Geological Survey
Learn More about Earthquakes in Cascadia
Go to the FAQ about earthquakes for answers to common questions about these events.
Review the hazards associated with earthquakes — the ground shaking, liquefaction (when soil liquefies during shaking), landslides and tsunami that can follow an earthquake and affect residents, homes, businesses and the economy of a region.
CREW and other groups use various tools to try to understand how future earthquakes would affect different parts of the region and what communities stand to lose during and after an event. Learn more.