If passed, the screenings would impact owners of two types of buildings in San Francisco, which could need retrofit upgrades to become earthquake safe.

The Elsinore fault, a major seismic threat in Southern California, could unleash a devastating magnitude 7.8 earthquake. Recent activity highlights its potential danger, urging awareness and ...

California was hit by multiple earthquakes on Wednesday, just days after a major 5.2 magnitude quake rocked the state.

Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous ...