China News Service, May 1st. According to the official Weibo news of the National Seismological Network, the China Seismological Network officially determined that it occurred at 22:49 on May 1 in Subei County, Jiuquan City, Gansu (39.52 degrees north latitude, 96.80 degrees east longitude) A magnitude 3.0 earthquake with a focal depth of 12 kilometers.
Image source: Official Weibo of the National Seismological Network