While not a household name like the San Andreas, the Elsinore fault is part of a larger seismic zone that experts fear and believe more people should know about.

Southern California's last magnitude 7.9 earthquake ... and Riverside County before heading into Imperial County. The three faults all move at relatively fast rates on average — meaning each ...

While the Puente Hills Fault system is being singled out because of the recent earthquake, Jones said there are hundreds of similar faults all around the region. Everyone in Southern California ...

All of 2025's earthquakes to occur in Southern California fit within that range, and many happened along the infamous San Andreas fault system, which is actually a series of branching fault lines ...

Beneath Southern California's picturesque landscapes ... before splitting into the Chino and Whittier faults. A significant quake here could lead to "violent" shaking across a wide area ...

Voltage drops registered prominently in the Altadena area and with a lesser magnitude in other places across Southern California. But the faults had been so substantial that their weakening pulses ...

In the hours preceding the first report of a fire, the complaint adds, "data shows that there were more than 300 faults" on Southern California Edison's lines in the vicinity of the fire's origins.

Southern California Edison submitted its 2026-2028 Wildfire Mitigation Plan (WMP) to California’s Office of Energy ...