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

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

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

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, ...

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.

Down in California, the San Andreas Fault marks the boundary where the North American and Pacific plates are sliding past ...

When a magnitude 7.7 earthquake shook Myanmar on March 28, 2025, it wasn’t just another powerful tremor—it was a geological curveball. The quake ripped open more than 500 kilometers (317 miles) of the ...

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more dangerous. That fault, where the Juan de Fuca Plate is subsiding underneath ...

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 ...

CORVALLIS, Ore. – Two fault systems on North America’s West Coast – the Cascadia subduction zone and the San Andreas fault – may be synchronized, with earthquakes on one fault potentially triggering ...