jgg     2012 32 (4):  46-50    ISSN: 0412-1961  CN: 21-1139/TG QUATERNARY ACTIVE CHARACTERISTICS OF FANGXIAN SEGMENT OF QINGFENG FAULT ZONE Lei Dongning 1,2) ; Cai Yongjian 1,2,3) ; Wu Jianchao 1,2) ;Qiao Yueqiang 1,2) ; and Yu Song 1,2) 1)Key Laboratory of Earthquake Geodesy,Institute of Seismology, CEA, Wuhan 430071;2)Institute of Earthquake Engineering of Wuhan, Wuhan 430071;3)Faculty of Earth Science, China University of Geosciences, Wuhan 430074 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null