What's the Elsinore fault? California has long been a hotbed of seismic activity, with notorious San Andreas being the ...

The little-known Elsinore fault is branch of the infamous San Andreas fault, stretching over 100 miles across Southern California, from the US-Mexico border, through San Diego and Riverside ...

The Elsinore fault can be thought of as a sibling of the San Andreas, along with the sizable San Jacinto fault, said Kate Scharer, research geologist with the U.S. Geological Survey. The San ...