China News Service, May 27. According to the official determination of the China Seismological Network: At 21:06 on May 27, an earthquake of magnitude 4.9 occurred in Maqin County (34.46 degrees north latitude, 99.17 degrees east longitude) in Guoluo Prefecture, Qinghai Province, with a focal depth of 8,000. Meter.

Source: Official Weibo of National Seismological Network