Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

A 3.7 magnitude earthquake rattled parts of the North Bay Friday, with its epicenter at The Geysers in Lake County, according ...

The United States Geological Survey reports a preliminary magnitude 3.7 earthquake struck near The Geysers, CA on Saturday.

Quakes between 2.5 and 5.4 magnitude are often felt but rarely cause much damage, according to Michigan Tech. Quakes below ...

In some areas, the ground could sink 6 feet in the moments after an earthquake in the Pacific Northwest, researchers warned.

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

On the other hand, I'm deeply concerned by the escalating severity and frequency of wildfires and climate events, not just as ...

The earthquake was centered near at a depth of 4.5 kilometers (about 2.8 miles). The USGS said it received zero reports of ...

The earthquake was centered near Hope at a depth of 40.5 kilometers (about 25.2 miles). The USGS said it received 1,697 ...

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 ...