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.
The first earthquake in the area on Saturday struck about 5 miles northwest of Fontana around 2:17 p.m. and had a preliminary magnitude of 3.5…