Record stress is building on Southern California's San Andreas and San Jacinto faults, raising the risk that both could ...

Earthquake experts have long warned of a looming "Big One" that will have devastating impacts. A study says warning signs ...

Scientists say the San Andreas and San Jacinto faults are more stressed than at any time in 1,000 years, raising questions about future California quakes.

Los Angeles could see a major earthquake ...

Geologists are cracking open a mysterious fault found in a northern California forest that they believe remains active and ...

Venezuela’s powerful quakes come as a study finds Southern California fault stress at a 1,000-year high.

New research finds the San Andreas and San Jacinto faults in Southern California are more stressed now than at any time in 1,000 years, raising long-term earthquake risk for millions. Scientists ...

"We needed to go explore by excavating it." ...

The San Andreas fault and a neighboring fault in Southern California have reached their highest levels of tectonic stress in 1,000 years, and a rupture at one fault could propagate to the other, ...

Earthquakes remain one of the top concerns for millions of Californians. While the San Andreas Fault dominates the public imagination, a leading expert says the state’s seismic risk is far more ...

Thirty years ago, seismologists worked with far less data, far slower computers, and a fundamentally simpler picture of how ...