China News Network, July 3, according to the official Weibo news of the National Seismological Network, China Seismological Network officially determined that it was in the sea area of Rudong County, Nantong City, Jiangsu Province at 8:57 on July 3 (32.45 degrees north latitude and 121.59 degrees east longitude) A magnitude 3.0 earthquake occurred with a focal depth of 14 kilometers.
Image source: Official Weibo of the National Seismological Network