Department of Earth Sciences, National Cheng Kung University, No 1, Ta-Hsueh Rd, Tainan, R. O. C., Taiwan, Tainan, 704 Taiwan
Active Fault Research Center, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST) Site 7, 1-1-1 Higashi, Tsukuba, Ibaraki, 205-8567 Japan, Tsukuba, 205-8567 Japan
Department of Earth Sciences, National Cheng Kung University, No 1, Ta-Hsueh Rd, Tainan, R. O. C., Taiwan, Tainan, 704 Taiwan