The epicenter of the tremor was located about 4 miles north of Santa Paula at a depth of 15 kilometers, according to the USGS ...

One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on ...

Scientists have uncovered evidence that megaquakes in the Pacific Northwest might trigger California’s San Andreas Fault. A research ship’s navigational error revealed paired sediment layers showing ...

California is the most earthquake-prone state in the United States after Alaska. There is no shortage of quakes that have ...

Scientists are raising the alarm about a potential seismic catastrophe on the West Coast of North America. Recent studies ...

The San Andreas Fault, that famous fracture in the Earth’s crust that has shaped so much of California’s landscape, runs through the region. The mountains you see from the overlook have been pushed up ...

Millions of people took part in the Great California ShakeOut drill for a simulated earthquake designed to encourage disaster ...

Down in California, the San Andreas Fault marks the boundary where the North American and Pacific plates are sliding past ...

Once you arrive and go inside these lush palm groves, you will feel like you’re in a jungle a world away from the desert ...

Nearly a million San Diego County residents participated Thursday in this year's Great California ShakeOut, the statewide ...

A big earthquake on the Hayward Fault could cause damage similar to deadly 1989 Loma Prieta quake, experts say. Thursday’s ...