Abstract:MS6.1 & MS 5.8 Earthquakes occurred in Minle county and Shandan county, Gansu province on Oct.25, 2003. According to the field investigation, the macro-epicenter lie on the area from Yaozhaizi village of Yonggu town, Minle country to Liuzhuang village of Huocheng town, Shandan country, and the intensity of extreme seismic zone is Ⅷ. The seismogenic faults are Minle-Yongchang buried fault and Tongzihe buried fault. In the paper,the characters of local houses and structures as well as their earthquake resistance quality, and distribution of the intensities are analyzed. The relationship between ground deformations and seismogenic faults is discussed.