Stress accumulating in the southern San Andreas fault. (Burkhard et. al., J. Geophys. Res. Solid Earth, 2026) It's called ...

What does that mean for earthquake risk?

Just 50 miles from downtown Los Angeles, a critical junction where two of California's most powerful fault systems meet has ...

Scientists say the San Andreas and San Jacinto faults are more stressed than at any time in 1,000 years, raising questions ...

NAPA, Calif. (KGO) -- Bigger and stronger than first thought. Scientists uncover new findings about the fault line that caused the 6.0 earthquake in Napa nearly a decade ago. The earthquake in 2014 ...

Here’s what you’ll learn when you read this story: A new study published in the journal Geophysical Research Letters, however, tells a different story. The research team—led by experts from the ...

A 5.1 magnitude earthquake centered near San Jose on Tuesday occurred along the Calaveras Fault, not the most active fault in the Bay Area. It was the strongest quake along that fault line since a 5.4 ...

While analyzing strong-motion data close to fault lines, a group of researchers at Kyoto University noticed something unexpected: a negative phase in the waveforms, a pattern that did not conform to ...

A major Hayward fault quake could shake some Bay Area communities harder than expected because of the ground beneath them, new federal simulations show.

The Palos Verdes Fault zone, which runs along the coast of Los Angeles and Orange counties, could trigger an earthquake with a magnitude as strong as 7.8, according to a new study released Friday. In ...

SAN FRANCISCO, Calif. - The United States' most volatile fault line is overdue for an earthquake, and if one occurs, it could be catastrophic for one of California's most populated regions. The San ...

The Mangatangi Fault, named after a nearby river of the same name, was discovered by geologists from the University of Auckland using a variety of field and remote-sensing techniques. It cuts through ...