Their new analysis detected no foreshocks but identified 14 aftershocks in the upper mantle within a 150-kilometer radius of the earthquake's hypocenter. One set of aftershocks aligned with the ...

Lots of aftershock activity doesn't guarantee a ... fact — you have to wait to see if a larger quake comes. Have large foreshocks happened in California before? About half of California's ...

A magnitude 5.2 earthquake shook Southern California on Monday, affecting the San Diego County region and surrounding cities ...

A series of powerful earthquakes shook western Turkey on April 23, causing panic among residents but resulting in no fatalities or serious damage. The tremors were felt across the region, including in ...

A magnitude 5.2 earthquake struck along the Elsinore Fault Zone near Julian, California.The USGS reports that the initial ...

Remaining outside the vehicle increases the chances of injury. · Be prepared for both foreshocks and aftershocks. Aftershocks can start within an hour of the main quake and continue for days.