China News Service, December 1 According to the official Weibo news of the National Seismological Network, China Earthquake Networks officially determined that 4.2 occurred in Changning County, Yibin City, Sichuan (28.34 degrees north latitude, 104.97 degrees east longitude) at 5:39 on December 1. A magnitude earthquake with a focal depth of 9 kilometers.

Image source: Official Weibo of the National Seismological Network