Home World News 7.1-magnitude earthquake felt in Southern California, could be largest in 20 yearsNewsWorld News7.1-magnitude earthquake felt in Southern California, could be largest in 20 yearsJuly 6, 2019100FacebookTwitterPinterestWhatsApp The epicenter of Friday's powerful quake was 11 miles north-northeast of Ridgecrest, according to the U.S. Geological Survey.Source: Yahoo.com