These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

A retired scientist with the USGS worries about the impact the government shutdown is having on the agency's earthquake ...

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

A major earthquake hasn’t struck any of California’s biggest cities in more than three decades, but the “Big One” is a matter ...

In the Bay Area, BART plans to automatically slow down its trains and have them come to a brief stop, as the system is ...

Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

The one-minute drill was developed to teach people what to do when a large temblor strikes. If you have the MyShake app, your ...

OSU researchers find Cascadia Subduction Zone and San Andreas Fault may be synchronized — with the potential for quakes on ...

The epicenter of the earthquake was along the San Andreas Fault, about 56 miles south of San Francisco and 10 miles north of ...