Earthquakes in Portland
Live seismic activity data from USGS
About Portland
Portland sits above the Cascadia Subduction Zone and is at risk from both megathrust earthquakes and local crustal faults.
Seismic Activity in Portland
Portland sits above the Cascadia Subduction Zone and is at risk from both megathrust earthquakes and local crustal faults.
Frequently Asked Questions
How many earthquakes occur in Portland?
The number of earthquakes varies based on seismic activity in the area. Check the stats above for current data.
How can I prepare for earthquakes in Portland?
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 Cities
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