"Wherever you are, drop down to your hands and knees and hold onto something sturdy," officials say. "If you're using a ...

Researchers developed a fourth-generation buoy in Seattle that can detect an earthquake-triggered tsunami 10-15 minutes ...

The earthquake hit at 1:59 a.m. and happened more than 2 miles west of Mount Vernon, more than 24 miles south of Bellingham.

A 6.4 magnitude earthquake has struck northern Chile, causing minor infrastructure damage and cutting power to over 20,000 people ...

When Japan issued its first-ever “megaquake” warning last week, Harold Tobin, Washington state’s seismologist, was watching carefully. The advisory came after a 7.1-magnitude earthquake ...

The Cascadia Subduction Zone looks a little different than researchers thought. Here's what that means for "The Big One." ...

The earthquakes were monitored by the USGS Cascades ... Mount Adams is located in south central Washington, nearly 50 miles west-southwest of Yakima, Washington. In the north-south trending ...

ORCAS ISLAND, Wash. — Tens of thousands of people in western Washington and southwestern British Columbia felt a magnitude 4.5 earthquake on Monday that struck near the southeast side of Orcas ...

An earthquake struck the northwest part of Washington state near the U.S.-Canada border early Monday morning, officials said. A tsunami wasn't expected following the earthquake. The preliminary ...

Since Feb. 18, Washington has seen seven earthquakes with a magnitude above 2.5, including the strongest earthquake to hit the state in five years, a magnitude 4.5 that struck Orcas Island early ...

Washington state has seen several recent earthquakes ranging from small tremors near Tacoma and Vashon Island to larger quakes off the west coast. This list of stories illustrates the region's ...