There are fears that sooner or later, the entire Pacific coast of northern California, Oregon and Washington is due to suffer ...

An earthquake struck off the northern California coast on Tuesday ... of the long-term seismic risks posed by the Cascadia Subduction Zone, a less-publicized but potentially catastrophic fault ...

A 7.0 earthquake off the coast of Northern California in early December triggered a tsunami warning for parts of the ...

Some sections of Northern California's coast are considered vulnerable to tsunamis. Here's where those locations are and how ...

An earthquake that struck off the coast of California on Thursday sparked tsunami warnings for the coasts in California and Oregon.

It is where three tectonic plates meet and the Northwest’s Cascadia subduction zone and California’s San Andreas Fault system meet. The quake itself occurred on the Mendocino fault zone.

A major earthquake rattled off the northern coast of California, with impacts stretching along nearly 600 miles of coastline.

A 7.0 magnitude earthquake occurred at 10:44 a.m. right off the coast of Northern California ... triggered by underwater earthquakes at a subduction zone, where tectonic plates move up or down ...

In Portland, experts say "the big one" would be connected to a fault called the Cascadia Subduction Zone, which stretches from Vancouver B.C. down to northern California. "It goes off every 700 ...