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Array deployment to observe rotational and translational ground motions along the Meishan Fault, Taiwan: A progress report

May 1, 2009

Measurements in the near field of earthquakes in Japan (Takeo, 1998) and in Taiwan (Huang et al., 2006Liu et al., 2009) indicate that rotational ground motions are many times larger than expected from the classical elasticity theory. The Central Weather Bureau (CWB) deployed four instrumentation sets on the campus of the National Chung-Cheng University, Chia-yi, Taiwan, in order to study in detail earthquakes in the near field for both seismology and earthquake engineering. Both rotational and translational ground motions are being monitored along the active Meishan fault, where a major earthquake occurred in 1906, more than a century ago. The deployed instruments are: (1) a 32-element seismic array in the free field, (2) a 32-element seismic array in a building, (3) a six-channel unit with a broadband seismometer and an accelerometer, and (4) a six-channel unit with an accelerometer and an external rotational velocity sensor.

Publication Year 2009
Title Array deployment to observe rotational and translational ground motions along the Meishan Fault, Taiwan: A progress report
DOI 10.1785/0120080185
Authors Chien-Fu Wu, W.H.K. Lee, Huey-Chu Huang
Publication Type Article
Publication Subtype Journal Article
Series Title Bulletin of the Seismological Society of America
Index ID 70209186
Record Source USGS Publications Warehouse