It happened at around 2:17 p.m. nearly four and a half miles northwest of Fontana, according to the United States Geological Survey.

An earthquake with a preliminary magnitude of 3.4 struck the Inland Empire around 8:17 p.m., the second time an earthquake hit the region on Saturday. According to the United States Geological Survey, the quake hit about 3.7 miles northwest of Fontana.

A magnitude 3.4 earthquake hit the Fontana area Saturday, the U.S. Geological Survey said. The Inland Empire quake was centered just under five miles northwest of Fontana, the agency said. It happened at a depth of roughly 2½ miles at 8:17 p.m. No injuries or damage was reported.