Magnitude 5.1 earthquake strikes southern California: USGS
The quake, initially reported as a magnitude 5.3, was very shallow, only 1.2 miles deep, with its epicenter located just 2 miles east of the town of La Habra and some 27 miles from Long Beach.
It was not immediately know if the quake had caused any damage.
(Reporting by Sandra Maler in Washington and Dan Whitcomb in Los Angeles)