A series of earthquakes rattled the San Bernardino County area near Rialto Thursday morning, according to the U.S. Geological Survey. The first quake struck around 8:34 a.m. and was reported as a 3.0-magnitude. An aftershock of 2.8 magnitude struck around 8:42 a.m., followed by a 1.2-magnitude quake at 8:46 a.m.

A preliminary magnitude-4.4 earthquake in the San Bernardino area produced shaking that was felt over widespread parts of Southern California. The quake, reported at about 9:30 a.m., was one of four of magnitude-2.5 or greater in the area, which includes the communities of Muscoy and Rialto.

A series of earthquakes struck San Bernardino County Thursday, with the strongest south of Cal State San Bernardino.