Los Angeles could be edging closer to “the big one,” with new research finding earthquake stress has reached its highest ...

Record stress along the San Andreas and San Jacinto faults could trigger a major earthquake around Los Angeles.

Scientists can’t predict when a major earthquake will happen; however, a new study shows that geological conditions for a ...

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, ...

Stress on the San Andreas Fault system has reached a 1,000-year high, according to new research from the University of Hawaii ...

New research finds the San Andreas and San Jacinto fault systems are in a “critically loaded” state, with stress levels that ...

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.

Deep beneath the Pacific, one undersea fault has produced nearly identical magnitude 6 earthquakes every few years for decades. Researchers now think strange, water-soaked barrier zones inside the ...

An unusual seismic signal recorded less than a minute before a widely felt magnitude 4.2 earthquake in central Alaska may ...