A 4.1 earthquake centered near Ocotillo and 22 miles from Pine Valley struck at 1:28 a.m. Tuesday, the U.S. Geological Survey reported.
The temblor was widely felt, according to Facebook posts in the region, including Encinitas and Escondido. The quake was centered 10 miles west northwest of Ocotillo and 22 miles east of Pine Valley, the USGS stated.
The county was rattled by a series of small quakes on Aug. 26, the largest registering 5.4 on the Richter scale.