China News Service, April 23. According to the official Weibo news of the National Earthquake Network, the China Earthquake Network officially determined that it occurred at 22:07 on April 23 in Menyuan County, Haibei Prefecture, Qinghai Province (37.72 degrees north latitude, 101.48 degrees east longitude). The 3.9-magnitude earthquake had a focal depth of 10 kilometers.

Image source: Official Weibo of the National Earthquake Network