A 3.8-magnitude earthquake struck early Wednesday in Southern California, two miles from Marina del Rey, the U.S. Geological Survey said. The quake, which struck at 3:18 a.m., was felt in downtown Los Angeles, the Los Angeles Times reported. No injuries or damage were reported from the quake, which had a depth of 5.6 miles. The epicenter was 3 miles from Culver City and 12 miles from the Los Angeles Civic Center.