A small earthquake rattled part of eastern San Diego County today, the U.S. Geological Survey reported.
The temblor struck with a magnitude of 3.3 at a depth of 3.1 miles at 3:09 a.m., its epicenter eight miles east-southeast of Julian, 17 miles south- southwest of Borrego Springs and 42 miles east-northeast of San Diego, according to a computer-generated USGS report.