At 18:51 on November 21, a magnitude 4.6 earthquake occurred in Changning County, Yibin City, Sichuan Province, with a focal depth of 11 kilometers. The epicenter was located at 28.45 degrees north latitude and 104.79 degrees east longitude.
Changning County belongs to Yibin City, Sichuan Province. It is located on the southern edge of the Sichuan Basin, the transition zone between the Sichuan Basin and the Yunnan-Guizhou Plateau.
The terrain of Changning County is high in the south and low in the north, with middle-low mountains in the south and hills in the north-central.
In the past 10 years, Yibin City, where the epicenter is located, has experienced 219 earthquakes of magnitude 3 or higher, including 184 earthquakes of magnitude 3.0 to 3.9, 28 of magnitude 4.0 to 4.9, 6 of magnitude 5.0 to 5.9, 1 of magnitude 6.0 to 6.9, and magnitude of 7.0. For the above 0 times, the largest earthquake was a 6.0-magnitude earthquake that occurred in Changning County, Yibin City, Sichuan Province on June 17, 2019.
Villages within 5 kilometers of the earthquake include Liangfeng Cave, Tanzikou, Hongqi Village, Halong Bay, Dicebao, Dawantou, Wuyi Village, Tanba, Siwantou, and Yuxian Village.
It is understood that the earthquake time was relatively short, and the earthquake was felt in Changning County.
After the earthquake, the Yibin City Fire Rescue Detachment quickly mobilized 6 people from the Tonggu Town Substation of the Changning County Brigade to the earthquake area to carry out earthquake inspections.
So far, no reports of damage to houses and casualties have been received in this earthquake.
(Reporter Liu Zhongjun produced Wang Jiayi's video source Yibin Fire)
Editor in charge: [Bian Liqun]