Scientists have mapped one of the most hazardous spots on the globe in unprecedented detail: a 600-mile geologic boundary just off the Pacific Northwest ... 9.0-magnitude earthquake and generating ...

But near the Pacific Northwest’s particularly fraught ... using the information to understand how floodplain maps will be redrawn after an earthquake. Sea level is rising gradually due to ...

Geologist Robert Yeats, author of 'Earthquake Time Bombs', has highlighted the risks associated with the presence of several large US cities in the Pacific Northwest's Cascadia subduction zone.

Did you feel it? The Pacific Northwest Seismic Network (PNSN) says a 3.0 magnitude earthquake hit near Okanogan Wednesday morning. Enjoy longer days as Seattle sunsets stretch to 9:10 p.m. by June ...