由TCDP深鑚中取出的12cm主要滑移代斷層泥中,我們持續以微觀的分析,瞭解其顆粒分佈及組織,並探討其與集集地震滑移特性的關係。在2006 年11 月後,TCDP 井下地震儀(TCDP BHS)開始穩定的紀錄,在近二年的觀測中,除記錄高品質微震記錄外,我們亦觀察到其他特別波相,其可能為表現斷層動力破裂特性有關的波相。本年度計畫將持續進行TCDP BHS 觀測,並針對此波相做模擬分析,及斷層帶Q 值特性及非均向性等特性做最近場的分析。 ; The dynamic modeling of the Chi-Chi earthquake provides the distribution of earthquake dynamic and static stress drop and fracture energy over the fault. The initial stress from leak of test will help to estimate the frictional stress to obtain the overall earthquake energy budget of a large earthquake. Again, this will be a first ever estimation of an earthquake energy budget. ; 研究期間 9808 ~ 9907