Earthquakes in Oregon

Oregon sits above the same Cascadia Subduction Zone as Washington, and the Willamette Valley — Portland, Salem, and Eugene — would see strong, prolonged shaking in a great quake.

This page tracks live USGS seismic activity across Oregon — 6 cities including Portland, Salem, Eugene. The map and list above update continuously; open any city for a closer view with its own recent-quake and felt-radius detail.