Using underwater mapping techniques, scientists have mapped the Cascadia Subduction Zone - a 600-mile fault line extending ...

since the state’s Pacific coast is closer to the Cascadia Subduction Zone. The Cascadia fault line extends over 620 miles ...

A string of earthquakes has hit Washington in recent weeks. Are they connected, and do they tell us anything about the odds ...

The Cascadia subduction zone fault could kill thousands and render the greater Pacific Northwest unrecognizable during its next big slip. Researchers think the region is due for a devastating 8.0 ...

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

The 3.9 magnitude earthquake hit at 4:18 p.m. on the Olympic Peninsula, according to the United States Geological Survey.

"Finally, off the coast of Washington is the Cascadia Subduction Zone – a 700-mile long fault capable of producing earthquakes up to Magnitude 9 and tsunamis that will impact the entire coast." ...

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 ...

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

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

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 ...