An earthquake with a magnitude of 4.1 struck May 1 in the Corona area of Riverside County, providing a shake felt as far away as West Los Angeles.
According to the U.S. Geological Survey, the quake struck at 1:49 p.m., centered 5.6 miles southwest of Corona. The quake was originally reported as a 4.5 magnitude, then reduced to a 4.3, and ultimately to a 4.1.
