Geometric effects resulting from the asymmetry of dipping fault: Hanging wall/ footwall effects
作者： Dong Wang , Li-li Xie , Jin-jun Hu
DOI: 10.1007/S11589-008-0275-4
关键词: Significant difference 、 Fault plane 、 Asymmetry 、 Peak ground acceleration 、 Seismology 、 Geology 、 Fault (geology) 、 Root mean square distance
摘要: Root-mean-square distance Drms with characteristic of weighted-average is introduced in this article firstly. can be used to capture the general proximity a site dipping fault plane comparing rupture Drup and seismogenic Dseis. Then, using Drup, Dseis Drms, hanging wall/footwall effects on peak ground acceleration (PGA) during 1999 Chi-Chi earthquake are evaluated by regression analysis. The logarithm residual shows that PGA wall much greater than footwall at same or when as site-to-source measure. In contrast, there no significant difference between used. This result confirms effect mainly geometric caused asymmetry fault. Therefore, near-fault motions ignored future attenuation analysis if root-mean-square
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