Seismicity in Changning

(Results from Dr. Wen Yang) More than 70,000 eartqhuakes are detected since 2015.including more than 100 M>=3, 21 M>=4 and 2 M>5 moderate to strong events. The 2018 Xingwen M5.7 and 2019 Gongxian M5.3 are among the largest hydraulic fracturing induced earthquakes around the world.