A 4.2-magnitude earthquake struck the Fontana area in San Bernardino County Saturday morning, according to the U.S. Geological Survey.
The quake hit around 5:45 a.m. about 1-mile east-southeast of Fontana, 3 miles west-northwest of Bloomington and 4 miles west of Rialto. USGS initially reported it was a 4.3 magnitude, but it was later downgraded to 4.2.
It hit at a depth of about 2.8 miles, according to USGS.
The temblor’s epicenter was in a residential neighborhood less than a mile from the Fontana Metrolink station and about 3.5 miles from the Auto Club Speedway.