Southern California typically experiences more than 10,000 earthquakes per year, according to the United States Geological Survey. Most of those aren't powerful enough to be felt in a large radius, unlike today's 5.

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey. The temblor happened at 10:08 a.m. Pacific time about 2 miles south of Julian, Calif., data from the agency shows. U.S.G.S. data earlier reported that the magnitude was 6.

An earthquake that shook Southern California today was centered near the community of Julian, about 45 miles northeast of San Diego. Shaking was also felt in the Los Angeles area.