Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S. Geological Survey.

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California's heavily populated coastal communities.

The Big One: Is California 'overdue' for a devastating major earthquake? A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about ...

California has dozens of earthquakes every day. Most are below 3.0 magnitude, so small that they aren’t felt. But a few, like the 1906 San Francisco earthquake, are massive, capable of ...

Could a monster earthquake sink a portion of Northern California? A new study calculates the risk of where and how much land could sink, but experts say there's something else closer to home that ...

SAN DIEGO (KGTV) — It’s been a couple weeks since Southern California felt a magnitude 5.2 earthquake, but parts of the state could be overdue for a much bigger one. Most earthquakes happen ...

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more than 6 feet, dramatically heightening the risk of flooding.

A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink permanently.

It's one of the scary earthquakes," said Jones. And the Elsinore fault is not the only risk to Southern California.

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey. The temblor happened at 10:08 a.m. Pacific time about 2 ...