Sediment cores recovered from the Pacific seafloor suggest that megathrust earthquakes along the Cascadia subduction zone may ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and ...

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

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

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 ...

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 ...

A future mega-earthquake in the Pacific Northwest could lead to the “Big One” along the San Andreas fault in California—or vice versa.

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

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 ...

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 ...

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 ...