A map of the earthquake's impact. Courtesy the USGS.
A map of the earthquake's impact. Courtesy the USGS.

A preliminary magnitude 4.0 earthquake, centered in the Channel Islands area, was felt in parts of Los Angeles and Orange counties today, authorities said.

The quake occurred at 2:13 a.m and was centered in the ocean between Santa Cruz Island and Santa Monica, according to the United States Geological Survey.

A map based on reports from people who notify the USGS, showed light shaking that was felt as far away as Santa Barbara to the north and parts ofOrange County to the south including Santa Monica, Monterey Park, Hawthorne, Orange, Glendale, Long Beach and other parts of the Los Angeles area.

There were no reports of damage or injuries.