Evidence from Earth's deep past suggests dramatic subduction zones can spread like a contagion.

Subduction zones, where one tectonic plate dives underneath another, drive the world’s most devastating earthquakes and tsunamis. How do these danger zones come to be? A study in Geology ...

A huge earthquake is brewing along the Cascadia Subduction Zone that could destroy bridges, reshape the landscape and trigger a massive tsunami.

New research shows that in minutes after the earthquake hits, coastal areas of California, Oregon and Washington could drop over 6 and a half feet in elevation.

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

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward ...

Crews are finishing up digging a 125-foot hole to install a test foundation that they'll use to test the earthquake-resistant Burnside Bridge design.

Tsunami researchers hunt for clues about the next big Pacific Northwest quake A massive earthquake will one day rattle the Pacific Northwest. Minutes to hours later, a surge of seawater will ...

Portland is in the Cascadia Subduction Zone which hasn't produced an earthquake since 1700, but scientists say there's a 37% chance a major earthquake could rock the region within the next 50 years.