China News Service, October 21. According to the official Weibo news of the National Seismological Network, China Earthquake Networks officially determined that 4.6 occurred in Beichuan County, Mianyang City, Sichuan (31.84 degrees north latitude, 104.17 degrees east longitude) at 12:04 on October 21 A magnitude earthquake with a focal depth of 17 kilometers.

Image source: Official Weibo of National Seismological Network