Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

An earthquake with a preliminary magnitude of 3.1 struck in Colusa County on Wednesday, the U.S. Geological Survey said.

What lies beneath Fickle Hill in northern California? Maybe the answer to an earthquake mystery that has puzzled ...

The recent earthquake is a reminder of the seismic volatility that characterizes the area near Eureka. The quake occurred in the vicinity of the Mendocino Triple Junction, a highly active seismic zone ...

On Monday afternoon, a minor offshore earthquake measuring 2.8 magnitude struck 76 kilometers west-northwest of Petrolia, California. This tremor, occurring at 10:24 a.m. PDT (17:24 UTC), was recorded ...

The risk of a devastating mega-tsunami from the Cascadia Subduction Zone highlights the need for improved evacuation plans.

A groundbreaking study from Virginia Tech warned that three US states are at significant risk of experiencing catastrophic ...

If a powerful earthquake occurs there, it could trigger a ‘Doomsday’ wave that would swamp much of the US West Coast, including Washington, Oregon, and northern California. According to researchers at ...

Southern Washington, northern Oregon, and northern California are the regions which are most vulnerable to flooding from a ...

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma ...

No one knows what to expect from the "Big One," Home Depot is becoming the ICE raid epicenter and more big stories.