January 26 marked the 325th anniversary since the last earthquake struck the Cascadia subduction zone. Centuries later, the ancient quake has left clues for scientists to prepare for the next one.

a 600-mile geologic boundary just off the Pacific Northwest coast. Along this fraught stretch, called the Cascadia Subduction Zone, two pieces of the Earth’s crust slide against each other ...

California and many on the West Coast are already highly susceptible ... A 600-mile-long strip beneath North America is ...

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

A 4.2 magnitude earthquake struck about 143 miles southwest of Tofino, B.C., at around 5:53 a.m. A second 3.0 magnitude ...

Washington state officials want to double down on the planning for the proposed Cascadia high-speed rail link between ...

A woman is dead and a 56-year-old man was rescued by the U.S. Coast Guard from a disabled and grounded 31-foot sailboat near the San Juan Islands Monday night, Feb. 3. The woman, who has not yet been ...