Reprint 640 Three-dimensional Surface Cracking and Faulting in Dangan Islands Area, South of Hong Kong K.T. Chau 1 , R.H.C. Wong 1 , Y.L.Wong 1 , K.W. Lai 1 , L.X. Wang 1 , Y.W. Chan, W.T. Wong, Y.S.H. Guo 2 , W. Zhu 2 & S.H. Zheng 3 3 rd International Conference on Continental Earthquakes, Beijing, China, 12-14 July 2004 1 Department of Civil & Structural Engineering, The Hong Kong Polytechnic University 2 Geotechnical and Structural Engineering Research Center, Shandong University 3 Center for Analysis and Prediction, China Earthquake Administration