New research reveals California and the Pacific Northwest's fault lines may synchronize, posing risks of simultaneous ...

Add Yahoo as a preferred source to see more of our stories on Google. Stress accumulating in the southern San Andreas fault. (Burkhard et. al., J. Geophys. Res. Solid Earth, 2026) It's called ...

Two massive fault lines beneath the United States are quietly building toward their next rupture, and scientists say both are capable of causing disasters on a national scale. One could unleash a ...

Southern California is facing the greatest threat of a major earthquake as scientists have revealed that two big fault lines are at their highest levels of tectonic stress in 1,000 years. The San ...

Add Yahoo as a preferred source to see more of our stories on Google. (KTLA) – The San Andreas Fault and San Jacinto Fault Zone have reached their highest stress levels in 1,000 years, according to a ...

A long rupture on the ground extending through infrastructure damage in Kumamoto Prefecture seems to confirm what seismologists had long feared: a major earthquake stemming from the active Hinagu ...

The most significant seismic event in California's history – an earthquake of 7.9 magnitude – occurred in 1857 and ruptured about 225 miles on the San Andreas Fault. That earthquake, dubbed the last ...

In the Pacific Northwest, big faults like the Cascadian subduction zone located offshore, get a lot of attention. But big faults aren't the only ones that pose significant hazards, and a new study ...

A little-known California fault line — already considered one of the most dangerous in the country — was rattled by another earthquake Thursday morning, shaking communities across the Bay Area and ...

Reading time: 3 minutes Aerial view of the San Andreas Fault. (Photo credit Ian Kluft via Unsplash.) The researchers built a physics-based computer model that simulates how stress builds up and ...

The San Andreas Fault and San Jacinto Fault Zone have reached their highest stress levels in 1,000 years, according to a study by researchers at the University of Hawaii at Manoa, leading scientists ...