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, and of course ...

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

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

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 ...

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 ...

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 ...

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 ...

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 ...

With Washington’s location along the Cascadia Subduction Zone and several active fault lines in the state, over 1,000 earthquakes occur in the state each year, according to the Washington ...