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 ...

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 ...

A groundbreaking 1,000-year simulation reveals tectonic stress along the San Andreas and San Jacinto faults has reached a dangerous millennial high, threatening LA with a 7.5+ mega-quake.

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.

A new study of California's earthquakes say that building pressure underneath two major fault lines converging at Cajon Pass may cause a huge quake if set off ...