According to the website of China Seismological Network Center, a 6.6-magnitude earthquake occurred at 2 1 49 on the 7th in Jinggu Dai and Yi Autonomous County, Pu 'er City, Yunnan Province, with the epicenter at 23.4 degrees north latitude? East longitude 100.5 degrees, focal depth 5.0 kilometers. On June 3, 2007, at 5 am Beijing time, an earthquake with a magnitude of 6.4 occurred in Ninger Hani and Yi Autonomous County, Pu 'er City, Yunnan Province. The epicenter was located at 10 1.07 minutes east longitude and 23.00 minutes north latitude. The focal depth is 5 kilometers. The microscopic epicenter is located in Tongxin Town, Ninger County, 27 kilometers away from Pu 'er City. The earthquake caused great losses to the lives and property of local people.