The last time the Hayward Fault ruptured with full force, on October 21, 1868, roughly 24,000 people lived in the East Bay.

Supercomputer simulations warn the Hayward Fault could hit parts of the East Bay harder than models predicted — officials eye ...

Researchers have found that one of the US’ most dangerous fault lines is overdue for an earthquake, potentially threatening ...

The Hayward fault, part of the larger San Andreas fault system, runs 74 miles through the East Bay of the San Francisco Bay ...

Smaller quakes from secondary faults—which are not included in national seismic hazard modeling—occur more frequently than ...

While analyzing strong-motion data close to fault lines, a group of researchers at Kyoto University noticed something ...

A first-of-its-kind video showing the ground cracking during a major earthquake is even more remarkable than previously thought. It not only captures a ground motion never caught on video before but ...

The first studies of the 28 March 2025 magnitude 7.8 Myanmar earthquake suggest that the southern portion of its rupture occurred at supershear velocity, reaching speeds of 5 to 6 kilometers per ...

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