A swarm of small earthquakes jolted San Ramon over the last month. Scientists said the earthquakes are normal and aren’t indicative of the big one.

The earthquake fault that runs through the Southern California coastal city of Ventura can produce strong shaking and dangerous tsunamis, prompting state officials to study whether to revise hazard maps, according to new research. The Los Angeles Times ...

SAN FRANCISCO -- Scientists say there's new evidence that two of the best-known earthquake fault lines on the West Coast are in sync and that has the potential for a major disaster. A new study by experts at Oregon State University focuses on the San ...

The Carrizo Plain in eastern San Luis Obispo County contains the most strikingly graphic portion of the San Andreas Fault. Sediment cores recovered from the Pacific seafloor suggest that megathrust earthquakes along the Cascadia subduction zone may also ...

A magnitude 3.3 earthquake struck near Pearblossom, California, along the San Andreas Fault. Shaking was felt across a wide area, from Victorville to Santa Clarita and Palmdale to Long Beach. An earthquake struck near the High Desert community of ...

This is read by an automated voice. Please report any issues or inconsistencies here. New research suggests the San Andreas fault and the Cascadia subduction zone could produce devastating back-to-back earthquake disasters. Scientists found evidence that ...

Two of the biggest fault lines in the world are synched together in a way that could lead to disastrous consequences, according to recent scientific analysis. This synchronization raises alarms about amplified seismic risks on a global scale. The potential ...