A magnitude-4.1 quake rattles the Los Angeles area two weeks afternoon , USGS says . No damage or significant injuries found in affected areas , authorities say . A magnitude-5.1 earthquake struck the Los Angeles area Friday night , jolting nearby communities and breaking water mains in some neighborhoods . A series of aftershocks follow after the quake . `` Earthquake is the second in Saturday , '' Rowland Heights mayor says .
A magnitude-4.1 quake rattles the Los Angeles area two weeks afternoon , USGS says . No damage or significant injuries found in affected areas , authorities say . A series of aftershocks follow after the quake . `` Earthquake is the second in Saturday , '' Rowland Heights mayor says .