PASADENA (CBS) — A small earthquake struck in the Pacific off the Southland coast Tuesday, according to a preliminary report from the U.S Geological Survey.

The 3.9-magnitude temblor hit at 6:18 a.m. at a depth of around 10.5 miles, its epicenter four miles east of San Nicolas Island and 50 miles west-northwest of San Clemente Island, according to a computer-generated USGS report.

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