blogic: BREAKING -- Strong Earthquake Strikes California

PARKFIELD, Calif. - A strong earthquake struck Central California on Tuesday, and it was felt from San Francisco to the Los Angeles area, according to the U.S. Geological Survey. There was no immediate report of injuries.

The quake, which struck at 10:15 a.m. PDT, had a preliminary magnitude of 5.9 and was centered 9 miles south of Parkfield. The area is 17 miles northeast of Paso Robles, scene of an earthquake that killed two people in December 2003.

An aftershock of 5.0 magnitude struck four minutes later.