EARTHQUAKES · WASHINGTON & OREGON
Check Pacific Northwest Earthquake Information
Use USGS and the Pacific Northwest Seismic Network for event information, then check Washington or Oregon emergency management, transportation conditions and official tsunami status.
If you are near the ocean and experience strong or long shaking, Drop, Cover and Hold On. When shaking stops, move inland and to high ground; Oregon officials specifically warn not to wait for an official tsunami warning.
RECENT M2.5+ EVENTS
Pacific Northwest USGS past-day summary
The list is loaded directly from the USGS public feed and may contain automatic preliminary solutions. Check PNSN and the event page for regional details.
Loading the official USGS summary…
ONE-MINUTE CHECK
After an earthquake in Washington or Oregon
- Open PNSN or USGS to identify the event and review status.
- Use ShakeMap to understand estimated shaking intensity and geographic extent.
- Check Washington Emergency Management or Oregon Emergency Management for protective guidance.
- Use WSDOT or Oregon TripCheck for reported closures, incidents and camera context.
- For coastal or offshore events, check Tsunami.gov and local authorities immediately.
CASCADIA CONTEXT
Prepare for the hazard—do not treat discussion as a prediction
The Cascadia Subduction Zone extends along the Pacific Northwest coast and can produce very large earthquakes and tsunamis. It is one of several regional earthquake sources; damaging shallow crustal and deep earthquakes can also occur. Neither USGS, PNSN nor this site predicts the date of a future earthquake.
ShakeAlert detects earthquakes after they begin and may provide seconds of warning. Warning time varies with the earthquake’s location and your distance from the rupture; some people near an event may receive little or no advance notice.
STATE GUIDANCE
Use the instructions for your location
VISUAL CONTEXT
Transportation cameras have strict limits
WSDOT and TripCheck cameras can show visible traffic, weather, debris or congestion in a limited frame. They cannot confirm that a bridge, road, building or evacuation route is structurally safe.