Dechang County belongs to Liangshan Yi Autonomous Prefecture of Sichuan Province, located at the intersection of Anning River and Yalong River in southwest Sichuan Province, covering an area of 2,284 square kilometers. According to public information, Dechang County is not in the earthquake zone. However, due to its special geographical location, there have been many earthquakes in this area in history. For example, on October 20 19 1654381October 23, an earthquake of magnitude 4.4 occurred in Dechang County.

It should be noted that the seismic zone is a complex geographical phenomenon, and the degree and frequency of seismic activity in different regions are different. Therefore, even if Dechang county is not in the traditional earthquake zone, we should still pay attention to the potential threat of earthquakes and do the necessary disaster prevention and mitigation work.