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

San Andreas, Cascadia faults could combine to produce back-to-back earthquake disasters, new research suggests – Nation and ...

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 ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned.

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

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

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

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 ...

A massive Pacific Northwest earthquake could trigger a devastating second quake on California's San Andreas Fault, a new study reveals. This challenge ...

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