A 2.9-magnitude earthquake shook Western Washington on Tuesday, June 3, the U.S. Geological Survey reported. The 5.4-mile ...

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 ...

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

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 ...

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 ...

Shaking was felt across northwestern Washington early Monday morning as an earthquake struck the San Juan Islands region near the border with Canada. The 4.5-magnitude earthquake occurred at about ...

A 3.4-magnitude earthquake hit off the Southern California coast Tuesday, the U.S. Geological Survey reported. The 7-mile deep quake hit about 9 miles southwest from Manhattan Beach at 12:15 p.m.

When the segment of the fault off Washington’s coast ruptures, it has the greatest potential of triggering a devastating earthquake. No one is ready for this. Nothing built prior to 2005 was ...

Are you prepared if an earthquake were to shake western Washington? That was the focus of the Great Washington ShakeOut Thursday. The annual event focuses on preparing people for an earthquake and ...

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 ...