According to a recent studypublished in JGR Solid Earth, nearly half of California’s fault lines—including the infamous San ...

Unlike other earthquake-prone places around the planet, California is overdue for a major quake, according to a recent study.

California is preparing for the annual ShakeOut earthquake drill ... and officials warn that prior seismic activity does not necessarily mean more powerful temblors are imminent.

California has experienced four earthquakes in less than 12 hours. The seismic activity began around 9pm ET when a 3.5 magnitude hit outside of Little Lake. The US Geological Survey (USGS ...

“You’re going to have some variability in these earthquakes.” While the recent heightened activity doesn’t increase the odds of Southern California getting hit with a large, damaging ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Monday’s 4.4 magnitude earthquake that ...

Earthquake tremors were felt in several parts of California, including Santa Monica, Los Angeles and Manhattan Beach, on ...

About 5% to 10% of all California earthquakes are followed by a larger one within a week, and the probability of a larger quake depends on how much aftershock activity there is, according to the USGS.

The magnitude 5.2 earthquake that shook most of Southern California on Monday did not result in any reported injuries or damage. But the stronger-than-expected tremor has brought into focus its ...

This map from the U.S. Geological Survey shows the area of Southern California rattled ... about what leads up to a large earthquake. Some say there’s more activity before a major quake, others ...