jgg     2011 31 (1):  39-43    ISSN: 0412-1961  CN: 21-1139/TG ACTIVITY FEATURE AND SLIP RATE OF MIDDLE SEGMENT OF ENSHI FAULT IN QUATERNARY Cai Yongjian 1,2,3) ;Lei Dongning 1,2) ;Li Heng 1,2) ;Qiao Yueqiang 1,2) ; and Wu Jianchao 1,2) 1)Institute of Seismology, CEA, Wuhan 4300712)Institute of Earthquake Engineering of Wuhan,Wuhan 4300713)College of Earth Science, China University of Geosciences, Wuhan 430074 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null