This should have West Coasters shaking in their shoes.

The Cascadia subduction zone could pose a major threat to the West Coast if a high magnitude earthquake were to occur, ...

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

Researchers are sounding an alarm about an earthquake fault along the Northern California coast. A new study shows a large quake in the Cascadia subduction zone could cause land along the coastline to ...

A study warns that a massive earthquake along the Cascadia subduction zone could cause significant land sinking, increasing ...

A new study is fueling speculation and fear about the risks of a major earthquake in the Cascadia subduction zone, including ...

A 2.7-magnitude earthquake felt by scores of people shook the northern San Francisco Bay Area in California early Tuesday, April 29, the U.S. Geological Survey reported. The nearly 6-mile deep quake ...

While not a household name like the San Andreas, the Elsinore fault is part of a larger seismic zone that experts fear and ...

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 ...

A 3.1-magnitude earthquake struck near Rio Vista in Northern California, the U.S. Geological Survey reported. Getty Images/iStockphoto A 3.1-magnitude earthquake shook Friday, April 4, in Northern ...