Earthquakes in Washington
Live seismic activity data from USGS
About Washington
Washington State faces significant earthquake risk from the Cascadia Subduction Zone, capable of producing magnitude 9+ earthquakes. The Seattle area also has local fault systems that pose additional risk.
Seismic Activity in Washington
Washington State faces significant earthquake risk from the Cascadia Subduction Zone, capable of producing magnitude 9+ earthquakes. The Seattle area also has local fault systems that pose additional risk.
Washington has a High seismic risk level based on historical earthquake data and proximity to active fault lines.
Frequently Asked Questions
How many earthquakes occur in Washington?
The number of earthquakes varies based on seismic activity in the area. Check the stats above for current data.
Is Washington at risk for earthquakes?
Washington has a high seismic risk level. Washington State faces significant earthquake risk from the Cascadia Subduction Zone, capable of producing magnitude 9+ earthquakes. The Seattle area also has local fault systems that pose additional risk.
How can I prepare for earthquakes in Washington?
Residents should secure heavy furniture, create an emergency kit with supplies for 72 hours, develop a family communication plan, and practice "Drop, Cover, and Hold On" during earthquake drills. Visit our preparedness section for detailed guides.
Nearby States
Oregon
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Idaho
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Montana
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California
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