Geophysicists at the University of California, Riverside have received a $4.6 million grant from the National Science Foundation to study the dynamics of earthquake fault systems. Such systems occur ...

Add Yahoo as a preferred source to see more of our stories on Google. This animation depicts simulated ground motion of the Earth’s surface that could occur in the central U.S. region for a magnitude ...

The Hayward fault, part of the larger San Andreas fault system, runs 74 miles through the East Bay of the San Francisco Bay Area. The fault is overdue for an earthquake that could cause extensive ...

The next big earthquake may affect the Tri-Valley more than previously expected. New research from Lawrence Livermore ...

A groundbreaking 1,000-year simulation reveals tectonic stress along the San Andreas and San Jacinto faults has reached a ...

A look inside the Cal OES ShakeTrailer: a mobile earthquake simulator operated by the California Governor's Office of ...

Earthquake early warning times for a magnitude-9 event with an epicenter in southern Oregon. With a lower alert threshold (left) some locations closest to the source feel the ground shake before the ...

Residents along the West Coast were left shaken when a 7.0 magnitude earthquake rattled the region last week, resulting in a tsunami warning and a scary couple of hours for more than 5 million people.

Computer Simulation of a Magnitude 7.7 Earthquake in the New Madrid Seismic Zone This animation depicts simulated ground motion of the Earth’s surface that could occur in the central U.S. region for a ...