This has scientists quaking in their boots. Researchers have found that one of the US’ most dangerous fault lines is overdue for an earthquake, potentially threatening millions of people across ...

Thirty years ago, seismologists worked with far less data, far slower computers, and a fundamentally simpler picture of how ...

Drop. Cover. Hold on. That’s the three-part jingle every Californian learns to stay safe in earthquake country. Scientists forecast a more than 99% chance that earthquakes of 6.7 magnitude or larger ...

Add Yahoo as a preferred source to see more of our stories on Google. It's been over 100 years since the San Andreas and San Jacinto faults produced a major earthquake, and in peacetime, tectonic ...

The Hayward fault line has not had a major earthquake since 1868, but new simulations designed by Lawrence Livermore National Laboratory and Lawrence Berkeley National Laboratory have found the Bay ...

What could the next mega-earthquake on California's notorious San Andreas fault look like? Would it be a repeat of 1857, when an earthquake estimated at magnitude 7.7 to 7.9 ruptured the fault from ...

A tremble vibrated through St. Augustine in the winter of 1879, a shaking that dropped plaster from ceilings and tossed items off shelves. Across the state in Tampa, a low rumble sounded before the ...

California is tense, or at least its fault lines are. The southern part of the state is at risk of experiencing a devastating earthquake as stress levels along both the San Andreas and San Jacinto ...