An earthquake struck northeast of San Diego on Sunday morning, according to the U.S. Geological Survey. The 3.6-magnitude quake hit about four miles southwest of Warner Springs at 7:17 a.m., the agency said. The earthquake had a depth of five miles. The tremor could be felt in Escondido, Fallbrook, Rancho Bernardo, San Marcos, Poway, Kearny […]