The San Andreas fault is the most famous fracture in the American landscape, a roughly 800-mile scar running the length of ...

San Andreas Fault earthquake risk reached new highs in 2026 as two independent studies found the fault system is more ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The Mendocino Triple Junction is the meeting point of three tectonic plates. Using data from tiny earthquakes, researchers propose ...

A police car guards a section of a Los Angeles freeway cracked by the magnitude 6.7 Northridge earthquake in 1994. | Steve Starr/CORBIS/Corbis via Getty Images “The Big One,” the theoretical ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and scraping past one another. Over the eons, this activity has regularly caused major ...

The volatile seismic zone along the roughly 750-mile (1,200-km) San Andreas Fault and the smaller San Jacinto Fault are now "critically stressed" – reaching a 1,000-year high level of pressure – ...

California’s earthquake time bomb may be ticking faster than scientists realized. Just a week after a magnitude 3.9 quake rattled Oakland’s Hayward Fault, researchers at San Jose State University have ...

For more than a century, stress was mounting across a section of an 800-mile-long crack in Myanmar. Known as the Sagaing Fault, the crack ran between the Indian and Eurasian tectonic plates, which ...

New research finds the San Andreas and San Jacinto faults in Southern California are more stressed now than at any time in 1,000 years, raising long-term earthquake risk for millions. Scientists ...