An earthquake has struck California as experts warn that the long-feared “Big One” could be approaching. The US Geological ...

The Cascadia Subduction Zone, stretching from northern California to British Columbia, is one of the most dangerous seismic ...

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This is an archived article and the information in the article may be outdated.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

Lawrence Livermore National Laboratory could ‘revolutionize’ earthquake monitoring and provide researchers the ability to ...

In short, the United States and the entire world are safer from earthquakes thanks to 20 years of testing life-sized buildings and other large structures at UC San Diego’s large, outdoor earthquake ...

“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 ...

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.

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 ...