Accidental landing of a research vessel in the San Andreas zone revealed the repeating patterns tribuldite in its core.

A new scientific warning has put California’s earthquake risk in sharp focus: supershear earthquakes—rare, high-speed ...

A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some ...

San Andreas, Cascadia faults could combine to produce back-to-back earthquake disasters, new research suggests – Nation and ...

Scientists have uncovered evidence that megaquakes in the Pacific Northwest might trigger California’s San Andreas Fault. A research ship’s navigational error revealed paired sediment layers showing ...

LONG BEACH, California -- During an earthquake study conference in Long Beach, a local expert said California's infamous San Andreas fault is due for a massive quake. "The San Andreas fault is locked, ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

A massive Pacific Northwest earthquake could trigger a devastating second quake on California's San Andreas Fault, a new ...

LONG BEACH, Calif. (KABC) -- During an earthquake study conference in Long Beach, a local expert said California's infamous San Andreas fault is due for a massive ...

PASADENA, Calif. (KABC) -- An earthquake on the San Andreas Fault could trigger bigger earthquakes on other faults, according to a newly released study by the University of Southern California. James ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could cause the San Andreas fault in California to go off.

Earthquakes are notoriously hard to predict, but one consistent earthquake in California—which rumbles every 22 years—provides valuable data for finding warning signs of an impending quake. This ...