For more than 150 years, Southern California’s biggest faults have been quietly building up pressure beneath the ground. A ...

A new study of California's earthquakes say that building pressure underneath two major fault lines converging at Cajon Pass ...

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

Earthquake experts have long warned of a looming "Big One" that will have devastating impacts. A study says warning signs ...

According to the study, both fault systems have reached exceptionally high stress levels due to centuries of tectonic strain.

What does that mean for earthquake risk?

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

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

Stress accumulating in the southern San Andreas fault. (Burkhard et. al., J. Geophys. Res. Solid Earth, 2026) It's called California's Big One for a reason. For more than a century, tectonic pressure ...

Add Yahoo as a preferred source to see more of our stories on Google. Tectonic stress building beneath Southern California could have far-reaching consequences for millions of residents from the ...

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.

A new study suggests stress levels along Southern California's San Andreas and San Jacinto fault systems are at their highest point in 1,000 years, placing the region in a "critically loaded state." ...