A second earthquake of at least 2.5 magnitude in 12 hours struck Thursday afternoon in western Washington. The 3.2 magnitude ...

A 3.2-magnitude earthquake shook parts of east King County early Thursday afternoon, just hours after a similar quake in ...

Kitsap County residents might have been awoken by the ground shaking on Thursday morning, as a 3.1 magnitude earthquake was ...

A preliminary earthquake measuring 3.5 on the Richter scale hit 16.2 kilometers southwest of Maple Valley, Washington, early ...

A string of earthquakes in California last week saw residents urged to "remain alert" amid warnings bigger tremors could be ...

The Oregon Department of Emergency Management (OEM) states there is about a 37 percent chance that the Cascadia Subduction Zone will produce an earthquake of magnitude 7.1 or greater within the ...

Many earthquakes in Washington state are linked to the motion of the Juan de Fuca Plate and the North American Continental ...

SEATTLE — A magnitude 3.4 earthquake struck near Auburn Saturday morning with reports of it being felt in Tacoma and Seattle.

This is called the Cascadia Subduction Zone. According to the Washington State Department of Natural Resources (DNR), earthquakes happen in Washington every day, but most are too small to be felt.

A string of earthquakes in California last week saw residents urged to 'remain alert' amid warnings bigger tremors could be ...

Currently, none of Portland's bridges open to vehicular traffic that span the Willamette River would survive a major Cascadia Subduction Zone earthquake, leaving the city's core potentially cut ...