Earthquake rocks Ridgecrest, tremors felt throughtout Southern California.

The quake was the largest in Southern California since the 7.1 Hector Mine quake struck the Twentynine Palms Marine Corps base in 1999. Caltech seismologist Lucy Jones, California’s foremost earthquake expert, said in a press conference in Pasadena to anticipate more shaking on the Fourth of July. A preliminary magnitude-6.6 earthquake rattled Southern California Thursday morning, with residents reporting feeling it from the high desert to Laguna Niguel. No immediate reports of damage from the earthquake