Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process ...

A 4.5 magnitude earthquake by Orcas Island was the largest to hit Washington since 2020. Here’s how you can prepare for even ...

The Cascadia Subduction Zone, capable of producing a 9.0 magnitude earthquake, last produced a major quake in 1700. The fault ...

A string of earthquakes in California last week saw residents urged to 'remain alert' amid warnings bigger tremors could be on the way in a neighbouring state ...

This earthquake is larger than much of the recent seismic activity around western Washington, according to initial reports.

Kitsap County residents might have been awoken by the ground shaking on Thursday morning, as a 3.1 magnitude earthquake was recorded in Bremerton. The earthquake struck at 5:16 a.m. Thursday, with an ...

Scientists are sounding the alarm after a series of earthquakes rocked the West Coast last week, warning a major seismic event is 'inevitable.' Earthquakes trigger tsunamis by causing the ocean ...

Residents are urged to secure household items, maintain emergency kits, and participate in statewide drills such as the Great ...

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

Monday’s early morning earthquake rattled a few nerves and had many Islanders thinking about the 'great' rattlers that have come and gone, as well as the 'big ones' looming ...

The coast is particularly vulnerable because it’s close to the Cascadia fault line and older bridges along Highway 101 might not survive. Depoe Bay Mayor Kathy Short checks the community's ...

The Cascadia fault line extends over 620 miles through the Puget Sound region, according to the Pacific Northwest Seismic Network. “There are several fault lines that pass under Seattle ...