SAN DIEGO – Residents in Southern California were jolted awake by an earthquake early Thursday morning. The U.S. Geological Survey (USGS) said the magnitude 3.7 earthquake was reported about 7 miles east-northeast of Borrego Springs, California, about 1:39 a.m. local time. The earthquake was located at a depth of about 6.5 miles.

Moderate shaking was reported with a magnitude 3.9 earthquake near Dublin, Calif. Residents in San Francisco, Fremont and Richmond reported weak shaking.

A 3.9 magnitude earthquake struck near the San Francisco area of California in the early hours of Tuesday morning, the U.S. Geological Survey said. The epicenter hit at 5 km northwest of Dublin at a depth of 11.