Wednesday’s quake was centered in the San Jacinto fault zone — Southern California’s most active ... “You can actually mathematically map the transfer of stress from one fault to ...

Over the next two decades, officials published 534 maps of active earthquake ... populated areas of Southern California. That represents about 2,000 miles of faults statewide.

A map showing the location of the Puente ... and The Great 1906 San Francisco Earthquake (magnitude 7.8). In Southern California, however, the San Andreas Fault runs largely through remote ...

The map, which had not been updated since 1994, includes more than 50 surface fault lines discovered ... 7.1 Hector mine quake that rocked Southern California and neighboring states in 1999 ...

A light, 4.2-magnitude earthquake struck in Southern California on Friday ... prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that ...

A map showing the location of the Puente ... and The Great 1906 San Francisco Earthquake (magnitude 7.8). In Southern California, however, the San Andreas Fault runs largely through remote ...

A minor, 3.5-magnitude earthquake struck in Southern California on Saturday ... U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that follows ...

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 ...

Also well-known in L.A. is the Newport-Inglewood fault, which unleashed the 1933 Long Beach earthquake — the deadliest temblor in Southern California's modern history. The large earthquake fault ...

A magnitude 5.2 earthquake ruptured in San Diego County on Monday — jolting Southern California and providing a reminder of the power of the Elsinore fault, which is capable of spawning even ...

The mechanics of fault systems is much more complicated than lines on a map. The Puente Hills fault ... that 13 earthquakes have rattled Southern California this year with magnitudes of 4.0 ...