Cascadia’s rupture may jolt the San Andreas, creating the worst natural disaster in U.S. history. Here’s what you’ll learn ...

Researchers say stress on Southern California’s San Andreas and San Jacinto faults has reached some of the highest levels seen in a 1,000-year simulation. Because both faults are highly stressed at ...

Scientists have modeled a major rupture of the San Andreas Fault and the results are severe. One widely cited scenario estimates around 2,000 deaths, 50,000 injuries and roughly $200 billion in damage ...

The ground north and east of Los Angeles holds one of Southern California's most uneasy meeting points. At Cajon Pass, the San Andreas and San Jacinto fault systems crowd together in a tectonic ...

(CNN) — It’s like a scene from a Hollywood movie: A major earthquake along the San Andreas fault ripples through Los Angeles, decimating infrastructure, sparking fires and triggering landslides. For ...

Here’s what a glimpse into the first 24 hours after a major earthquake, what first responders will be doing and one "really big solution." ...

Californians may need to keep one eye open as the long-feared earthquake nightmare could be closer than expected. A chilling new study has reignited concerns over the San Andreas Fault, with experts ...

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 ...