The earthquake, centered near the unincorporated View Park-Windsor Hills area, near Inglewood, struck at 12:03 a.m.
The quake was based near Anza, Calif., which is about 90 miles from Long Beach in Riverside County.
A 3.0-magnitude earthquake struck Orange County this morning, according to Caltech.
The USGS said a small earthquake hit near the Channel Islands but some people felt it as far away as Long Beach.
Officials at the Long Beach Police Department and Los Angeles Police Department’s Harbor Station in San Pedro say they didn’t even feel it when the quake struck.
There were no immediate reports of damage or injuries. The earthquake was felt in Long Beach and as far away as Simi Valley and Escondido.
The minor earthquake was centered in Rossmoor.
If the preliminary magnitude is correct, it would be the largest Southern California quake in 20 years.
The epicenter was in Searles Valley, which is about 192 miles from Long Beach.
The first temblor struck at 3:47 a.m. at a depth of 4.3 miles, its epicenter about 38 miles south-southwest of Avalon. The second was around 7:30 a.m.