Core tip: A 6.0-magnitude earthquake occurred in Yao'an County, Chuxiong Yi Autonomous Prefecture, Yunnan Province at 19:19 on August 9. By 00:33 on August 10, the earthquake had caused disasters in 55 townships of 6 counties including Yao'an County of Chuxiong Prefecture, affecting 1.26 million people, with 1 person dead.