In California, where the next "Big One" is an always-looming threat, some lessons learned from the 1925 Santa Barbara quake ...

Two major BART disruptions in two weeks last month caused a major headache for commuters. Now we know the cause of both.

Equipment settings aimed at bolstering BART’s system reliability ended up fueling the San Leandro station fire last month, a ...

The San Andreas Fault, this scar visible from space, stretches across California for over 1,200 kilometers (about 745 miles).

Impact: The 1933 earthquake was Southern California’s deadliest in the modern record, leaving nearly 120 dead and causing $40 ...

Bodega Head peninsula stands as the area’s geological masterpiece—a granite headland jutting dramatically into the Pacific, ...