On a quiet stretch of central California ranchland, scientists have spent decades trying to turn one of Earth’s most ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

While California’s 750-mile-long San Andreas Fault is notorious, experts believe a smaller fault line possesses a greater threat to lives and property in the southern part of the state. According to ...

A third earthquake has rocked San Bernardino after the area was hit by two others earlier, raising fears of a serious seismic incident on the San Andreas fault. The US Geological Survey reported the ...

Below California’s famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state’s collective consciousness.

While California’s 750-mile-long San Andreas Fault is notorious, experts believe a smaller fault line possesses a greater threat to lives and property in the southern part of the state. According to ...

The San Andreas Fault is the longest and fastest-moving, but over the next decade, Dr. Lucy Jones says it'll probably be one ...

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 ...