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- Title
Source characteristics of moderate-to-strong earthquakes in the Nantou area, Taiwan: insight from strong ground motion simulations.
- Authors
Wen, Yi-Ying; Chao, Shen-Yu; Yen, Yin-Tung; Wen, Strong
- Abstract
In Taiwan, the Nantou area is a seismically active region where several moderate events have occurred, causing some disasters during the past century. Here, we applied the strong ground motion simulation with the empirical Green's function method to investigate the source characteristics for the eight moderate blind-fault events that struck the Nantou area in 1999 and 2013. The results show that for these Nantou events, a high stress drop and focal depth dependence were noted, which might be related to the immature buried fault in this area. From the viewpoint of seismic hazard prevention and preparation, future earthquake scenarios that include high stress drop should be applied to more analyses, especially the moderate-to-large events originating from the immature blind faulting.
- Subjects
NAN-t'ou hsien (Taiwan); TAIWAN; EARTHQUAKES; GREEN'S functions; GEOLOGIC faults; FAULT zones; EARTH movements; SEISMOLOGY
- Publication
Earth, Planets & Space, 2017, Vol 69, Issue 1, p1
- ISSN
1343-8832
- Publication type
Article
- DOI
10.1186/s40623-017-0720-5