The two earthquakes, which occurred at magnitudes of 3.5 and 3.4, were separated by six hours and centered just miles outside of Fontana, according to the USGS.

The first magnitude 3.5 earthquake happened at around 2:17 p.m. about 4.5 miles northwest of Fontana and about a mile and a half deep into the ground, the USGS said. Six hours later, a 3.4 quake occurred at around 8:17 p.

Two 3.0+ earthquakes were reported in the Inland Empire on Saturday near Fontana, according to the U.S. Geological Survey. The first magnitude 3.5 earthquake happened at around 2:17 p.m. about 4.5 miles northwest of Fontana and about a mile and a half deep into the ground,

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