Repeating earthquakes and seismic potential along the northern Longitudinal Valley fault of eastern Taiwan

Ruey Juin Rau, Kate Huihsuan Chen, Kuo En Ching

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30 引文 斯高帕斯(Scopus)

摘要

The northern Longitudinal Valley fault in eastern Taiwan creeps at the surface with a small rate of ∼1 cm/yr but slips in large earthquakes. To improve seismic hazard assessment, it is important to comprehend the slip deficit rate distribution at depth. We discovered 25 ML 2.1-4.6 repeating earthquakes in this area and inverted GPS measurements for producing an image of the along-strike spatial distribution of deep fault slip rates. The repeating events are located at the depths of 10-22 kin with 24.9-77.5 mm/yr slip rates, which are comparable with the GPS-derived slip rates of 47.5 ± 5.8 mm/yr at similar depth ranges. Based on distribution of GPS-derived slip deficits, since 1951, the northern Longitudinal Valley fault has become capable of releasing stored strain in a future Mw = 7.3 earthquake.

原文English
文章編號L24301
期刊Geophysical Research Letters
34
發行號24
DOIs
出版狀態Published - 2007 十二月 28

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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