Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

The USGS reported that, over the past several days, a sequence of at least five earthquakes shook California, with magnitudes ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

Seismologists have discovered hidden faults at the Mendocino Triple Junction by tracking tiny earthquakes using a new ...

Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.

Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...

A small town in California was hit by earthquakes once every 22 years for over a century, setting the stage for a major ...

Scientists discover ultra-weak faults near the 7.2 magnitude earthquake in Haiti that continued to slip for weeks.

A massive earthquake off the Pacific Northwest coast is not a distant abstraction but a well-defined geological threat. Along ...

Scientists say Africa is gradually breaking apart along the East African Rift. The process is slow, but it could one day ...