SAN BERNARDINO COUNTY, CA - According to the U.S. Geological Survey, a 2.9 magnitude quake rattled close to Fontana Sunday afternoon. At 5:41 p.m., the area was struck by a tremor. The earthquake ...

A magnitude 3.5 earthquake struck Rialto late Tuesday afternoon, according to the U.S. Geological Survey. The temblor, at 4:54 p.m., hit some 3.7 miles north-northwest of a spot in Rialto and about 4 ...

Weak to light shaking was reported in Ontario, Rancho Cucamonga, Fontana, Upland, Riverside and other areas. Smaller quakes, ranging in magnitude from 1.0 to 1.8, were reported within an hour of the ...