People reported feeling the earthquake as far as south Pierce County, north of Seattle and around Port Orchard.

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 ...

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

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

Saddle Mountain Fault and more), which could cause earthquakes and very intense shaking/ "Finally, off the coast of Washington is the Cascadia Subduction Zone – a 700-mile long fault capable of ...

“We want to designate our cul-de-sac as a landing zone,” said Andreika ... vulnerable because it’s close to the Cascadia fault line and older bridges along Highway 101 might not survive.

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 ...

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

Subduction zone earthquakes: This earthquake results from the tension of an oceanic plate slipping beneath a continental ...

The Cascadia Subduction Zone, capable of producing a 9.0 magnitude earthquake, last produced a major quake in 1700. The fault goes an average of 535 years between major quakes, according to the ...