GREENWATER, Wash. — A 3.0 magnitude earthquake shook the ground in far east King County on Tuesday morning. The Puget Sound ...

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

Washington could be hit by powerful earthquakes with the potential to cause huge destruction and dangerous tsunamis impacting ...

Along this fraught stretch, called the Cascadia Subduction Zone, two pieces of the Earth’s crust slide against each other, building up stresses capable of unleashing a catastrophic 9.0-magnitude ...

PORTLAND, Ore. (KOIN) – January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists to ...

Significant earthquakes on these faults would likely cause mass property destruction, isolate neighborhoods and cause a slew ...

The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North American plate, extends 1100 km from northern California to northern Vancouver Island.

The new bridge will be earthquake-ready, so crews are digging a 10-foot-wide, 125-foot-deep hole to see how concrete supports react during a simulated seismic event.

Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. It’s a time to reflect on what we’ve learned about this largest fault system in the lower 48 ...

Why do we need a new I-5 bridge? "Pressure is mounting for another Cascadia Subduction Zone megathrust. At risk are the two ...

They’ll also build the system they’ll use to fake a Cascadia Subduction Zone earthquake. "So in the steel reinforcement cage, we have what's called load cells and those are basically two-foot ...

Wildfires and hurricanes are dominating the disaster spotlight, but the threat of a massive earthquake still simmers beneath the surface in the Pacific Northwest. The National Science Foundation ...