The 36th Anniversary of the deadly Loma Prieta earthquake prompted public awareness messages about earthquake preparedness. It also came as the U.S. Government shutdown has led to furloughs of ...

A major earthquake hasn't struck any of California's biggest cities in more than three decades, but experts and officials say the so-called "Big One" is a matter of when, not if. And the risk is far ...

Supershear earthquakes, moving faster than seismic waves, could cause catastrophic shaking across California. USC researchers warn that many faults capable of magnitude 7 quakes might produce these ...