When will "The Big One" hit the U.S. West Coast? Nobody knows, but should it happen, science can give us a good idea of its impacts.

This is read by an automated voice. Please report any issues or inconsistencies here. New research suggests the San Andreas fault and the Cascadia subduction zone could produce devastating ...

SAN FRANCISCO -- Scientists say there's new evidence that two of the best-known earthquake fault lines on the West Coast are in sync and that has the potential for a major disaster. A new study by ...

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. “It would be a very ...

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 ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some scientists say — carrying potentially profound risk for communities across ...

A 3.3-magnitude earthquake shook San Ramon late Monday night, giving residents across the East Bay a brief jolt but causing ...