2012年9月7日11:19,云南省昭通市彝良县与贵州省毕节地区威宁彝族回族苗族自治县交界发生5.7级地震,震源深度14 km;12:16,彝良县又发生5.6级地震,震源深度10 km。至2012年9月8日14:00,地震已造成18.3万户,共计74.4万人受灾,房屋倒塌7138户。2012年9月11日凌晨,暴雨致彝良灾区道路阻断,城市供水中断,蚊虫孳生地有所 On September 7, 2012 at 11:19, an earthquake of magnitude 5.7 occurred at the junction of Yiliang County of Zhaotong City of Yunnan Province and the Weining Yi and Miao Autonomous County of Bijie Prefecture in Guizhou Province, with focal depth of 14 km and 12:16, and another 5.6 in Yi County Earthquake, focal depth 10 km. As of September 8, 2012, at 14:00, an earthquake has caused 183,000 people, a total of 744,000 people were affected and 7,138 houses collapsed. In the early morning of September 11, 2012, heavy rain caused the roads in Yizhong-hit areas to be cut off, urban water supply was interrupted, and mosquito breeding places were found