Scientists have detected unusual activity along the San Andreas Fault, sparking concerns that a major earthquake could be imminent. This video delves into the latest seismic data, expert analyses ...

Reaching the San Andreas Fault, we were all surprised to see it was hardly visible – at least not directly. We were actually standing in the middle of it, hundreds of yards wide in either direction.

Impact: A magnitude 7.8 earthquake on 300 miles of the southern San Andreas fault — from the Salton Sea (which is southeast of Palm Springs) to Lake Hughes (just west of Lancaster) — could ...

By contrast, an earthquake on the Puente Hills thrust fault system probably would max out at a magnitude 7.5 — still powerful, but less so than the southern San Andreas.

Seismologist Lucy Jones finds fault with the disaster film “San Andreas." — -- The movie “San Andreas” opened big at the box office this weekend, but the film’s over-the-top depiction ...