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.

This is an archived article and the information in the article may be outdated.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 ...

“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 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 ...

California has suffered some destructive ... Some researchers have offered dueling theories — some say earthquake activity goes up in a region before a large earthquake, others say it goes ...

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 ...

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.