A vertical exposure of the 1999 surface rupture of the Chelungpu Fault at Wufeng, Western Taiwan : structural and paleoseismic implications for an active thrust fault

• Main Authors: Yeats, Robert S., Rubin, Charles M., Lee, Jian-Cheng, Chen, Yue-Gau, Sieh, Kerry, Mueller, Karl, Chen, Wen-Shan, Chu, Hao-Tsu, Chan, Yu-Chang
• Format: Article
• Language: English
• Published: 2013
• Subjects: DRNTU::Science::Geology::Volcanoes and earthquakes
• Online Access: https://hdl.handle.net/10356/95619; http://hdl.handle.net/10220/9379
• Institution: Nanyang Technological University

We mapped and analyzed two vertical exposures—exposed on the walls of a 3- to 5-m-deep, 70-m-long excavation and a smaller 3-m-deep, 10-m-long excavation—across the 1999 rupture of the Chelungpu fault. The primary exposure revealed a broad anticlinal fold with a 2.5-m-high west-facing...