Shaky ground in Southern California

A pretty strong 5.2 mag earthquake has his Southern California. It was centered in the Riverside County desert.. Witnesses report "a pretty good shake".. (MORE HERE)

MEANWHILE...

A 'swarm of earthquakes' is striking San Diego county..

10news in California reports:
The quake was originally reported as large as a magnitude-5.2, but was downgraded a short time later by the USGS. The initial shaker was followed by aftershocks in the area. One quake in Pine Valley measured a magnitude-2.5.
10News viewers reported feeling the earthquake throughout San Diego County including in Valley Center, Alpine, Poway, Brawley and Point Loma.
Geologist Pat Abbott told 10News that three separate quakes were reported on the San Jacinto fault line, which runs into the San Andreas fault.
This is a developing story..

HISTORY