A magnitude 4.5 earthquake centered in San Benito County struck early this morning. The U.S.G.S. reports that the quake struck 6 miles south southeast of San Juan Bautista at 12:51 a.m., and as of 6 a.m. this morning, roughly 15 aftershocks ranging from 1.2 to 3.4 were reported all in the same area of the San Andreas Fault. No damage was immediately reported.