4.4-magnitude earthquake near L.A. felt in San Diego County

LA VERNE, Calif. — A magnitude 4.4. earthquake occurred in La Verne, east of Los Angeles, at 7:33 p.m. on Tuesday, releasing seismic energy that was lightly felt in many parts of San Diego County, the US Geological Survey says, the Union-Tribune reported.

The mainshock was followed one minute later by a 3.4 aftershock. Both shakers broke within four miles of the earth’s surface.

Early reports say that quake was felt in Oceanside, Fallbrook, San Marcos, Del Mar, Escondido, San Diego, Poway and Ramona.

It appears that the quake occurred on or near the Sierra Madre fault system. Scientists say the fault is capable of producing a quake in the 6.0 to 7.0 range, and perhaps higher.