The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 years ago.

The Concord Fault in the Bay Area is not where scientists thought. A new 4.4-mile segment is shifting under homes, prompting plans for an Earthquake Fault Zone. The fault could cause earthquakes as ...

Our two-person team loaded the car with a GPS, a drone, notebooks, sample bags, a trowel and a flat spatula lovingly called a ...