When it comes to earthquakes, southern Napa County has more to worry about than the West Napa Fault. The city of Napa lies between the Northern Hayward/Rodgers Creek Fault that runs through Sonoma ...

SALT LAKE CITY -- Scientists have discovered evidence of four big earthquakes that rocked the Salt Lake Valley long before pioneers arrived -- and they're not on the well-known Wasatch Fault on the ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. Bay Area-raised host Ericka Cruz Guevarra brings you context and analysis to ...

SAN FRANCISCO (AP) - Three fault segments running beneath Northern California and its roughly 15 million people are overdue for a major earthquake, including one section that lies near the dams and ...

SALT LAKE CITY — Scientists have dug a pair of trenches in a field near I-215, giving them a rare look at the West Valley fault line. It's a cross section of the fault line, which is like a branch of ...

The Green Valley Fault sits just over the Vaca Mountain range, while the Rodgers Creek Fault sits to the west in Sonoma County. Both are part of the dangerous Hayward Fault system, which last slipped ...

An earthquake of the caliber that rocked China this week causing catastrophic loss of life and widespread damage is unlikely to occur on less powerful faults in the Las Vegas Valley, but the valley is ...