Southern California earthquake: 4.1-magnitude quake shakes Orange County, Riverside County, USGS says [Video]

CORONA, Calif. — An earthquake with a preliminary magnitude of 4.1 has struck near Corona in Riverside County, according to the U.S. Geological Survey.

The USGS says the quake struck at 1:49 p.m. just 5.3 miles from Corona. It was originally reported as a 4.5 magnitude but was ultimately reduced to a 4.1.

A quick jolt was felt in the Riverside area and viewers reported shaking in Orange County. One viewer said he felt a strong shake in Santa Ana.

The earthquake briefly prompted the Los Angeles Fire Department to go into “earthquake mode” where members from all of its 106 stations surveyed their coverage area, searching for any damage.

There were several smaller earthquakes reported in the same area on Tuesday, including one measuring 2.8 and another at 2.5.

“It has been part of a sequence,” said Seismologist Dr. …