LOS ANGELES — 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 ...

The morning of January 9, 1857, made people think that it was the end of the world. A California rancher named John Barker dismounted his horse on the shore of Tulare Lake. Before the horse could sip ...

The first “Big One” earthquake in more than a decade has rattled the world. What if it had happened anywhere else? Say, ...

If you live in Southern California, there is an ever-present fear about the inevitable “Big One,” the quake that seismologists say is coming, it’s just a matter of time. That’s the implication of a ...

Most in the Pacific Northwest have heard of “the big one,” a potentially massive earthquake that could shake the region. A new study found “the big one” could set off “the bigger one,” triggering ...

For more than a month, the Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes, rattling windows and raising fears across California.

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

We all know the San Andreas Fault is out there. Californians first learn about the looming underground threat during childhood earthquake drills and geology lessons, before growing into anxious adults ...