A magnitude 3.1 earthquake struck in San Bernardino County on Saturday, the U.S. Geological Survey said. The quake hit at 11:19 a.m. about 1.9 miles east of Big Bear Lake. It had a depth of 4.8 miles.

A 4.4-magnitude earthquake centered just west of Muscoy, and north of San Bernardino, rattled Southern California at 9:32 a.m. on Thursday, July 31, according to the United States Geological Survey. It some areas, it lasted just a couple of seconds and was gentle. Elsewhere, it went on much longer.

A 4.3-magnitude earthquake shook parts of Southern California, the U.S. Geological Survey reported. The about 3-mile deep quake hit about 4 miles west from Muscoy in San Bernardino County at 9:32 a.m.