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 ...

UC San Diego researchers run a simulation of a magnitude 7.8 earthquake on 10-story building UC San Diego researchers are running an earthquake test. This team is testing out a 10-story building in ...

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 ...

Researchers modeled 1,000 years of earthquake history along Southern California's San Andreas and San Jacinto faults. What ...