A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink permanently.

At 4.1 magnitude near Greenback, the quake was large for our area. Experts look back on the last earthquakes to predict the future.

When Washingtonians talk about the possibility of a major earthquake in the Cascadia Subduction Zone, the conversation typically focuses on the immediate impacts: the threat of casualties ...

The United States has dealt with a flurry of earthquakes this month, raising concerns about "The Big One." Last week, the ...

A major Cascadia subduction zone earthquake is coming for the West Coast. During that earthquake, parts of California, Oregon and Washington could shake for up to five minutes, as the Juan de Fuca ...

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more ...

The zone produces extensive tremor activity and very large earthquakes ... This study shifts our understanding of a common assumption: that only large forces shape the behavior of major earthquake ...

PORTLAND, Ore. (KOIN) – A major earthquake waiting to strike the Cascadia Subduction Zone isn’t the only natural disaster looming in the Pacific Northwest, new research shows. A powerful quake ...

While the New Madrid Seismic Zone is around 500 miles from Iowa's most populous city of Des Moines, a major earthquake there ...

When we think of earthquakes, we imagine sudden, violent shaking. But deep beneath the Earth's surface, some faults move in near silence. These slow, shuffling slips and their accompanying hum -- ...