The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.

To find out how a big earthquake might hit your neighborhood take a look at scenario maps created for Southern California regions. For the basics in earthquake cartography—learn how hazard maps ...

The earthquake ... entering hazard zones until it is deemed safe. "No tsunami danger presently exists for this area," the National Tsunami Warning Center said Thursday. Map shows California ...

Rogers Creek Fault is Waiting By David Bolling With the nation’s focus on the catastrophic wildfires in Los Angeles, the last ...

This week was the USGS Northern California Earthquake Hazards Workshop (NCEHW). I joined other earthquake hazards professionals for three days of virtual talks and discussions about the latest ...