An image from USGS shows the epicenter of a 3.5-magnitude earthquake that struck 15 miles southwest of Ridgecrest. (USGS)FRESNO, Calif. (KFSN) -- A 3.5-magnitude earthquake struck 15 miles south of Ridgecrest, according to the U.S. Geological Survey.The epicenter of the quake was 4 miles west-northwest of Randsburg. It struck shortly around 5 p.m. There are no reports of damage or injury.Stay with ABC30 for updates. Report a correction or typo