A magnitude-4.1 quake rattles the Los Angeles area Saturday afternoon , USGS says . Southern California has experienced relatively minor tremors since 1994 when a magnitude-6.7 quake killed dozens and caused $ 42 billion in damage . No damage or significant injuries found in affected areas , authorities say . The earthquake struck at a depth of about 10 miles and was centered near the town of Porter Ranch on the edge of the San Fernando Valley. `` Earthquake is the second in two weeks , '' Los Angeles mayor says .
A magnitude-4.1 quake rattles the Los Angeles area Saturday afternoon , USGS says . No damage or significant injuries found in affected areas , authorities say . The earthquake struck at a depth of about 10 miles and was centered near the town of Porter Ranch on the edge of the San Fernando Valley. `` Earthquake is the second in two weeks , '' Los Angeles mayor says .