These quakes aren't happening along the dangerous Hayward fault; they are on the so called step-over fault that is between Calaveras and Concord, and all centered near Dublin. The largest was 3.2 ...

The researchers studied the sediments deposited over several millennia on the lake floor and found coincident timing between several flooding events and rupture of step-over faults, which in turn ...

Faulds thinks he’s found the spot. It’s an emerging zone of instability, known as the Walker Lane, that closely follows Route 395. He believes that, over the next 8 million to 10 million years ...

The researchers studied the sediments deposited over several millennia on the lake floor and found coincident timing between several flooding events and rupture of step-over faults, which in turn ...

The Salton Sea covers a structural boundary at the southern end of the San Andreas Fault where it takes a southwestward step to the Imperial Fault. The region is closely monitored because the last ...