At 5:02 a.m., a 4.5 magnitude earthquake struck near the town of Olga on Orcas Island, according to the Pacific Northwest ...

Tens of thousands of people in western Washington and southwestern British Columbia Canada, felt a magnitude 4.5 earthquake ...

A “notable” earthquake registering at a preliminary magnitude of 4.5 struck Washington State on Monday morning, according to ...

Many old structures in the Seattle area are susceptible to earthquake damage, including schools, apartments and offices.