Study on Potential Earthquake Risk of Unbroken Active Faults in the Northern Segment of the North-South Seismic Zone
详细信息
- 责任者：Mei Xiuping (Earthquake Administration of Gansu Province ; Lanzhou 730000 ; China) ; Shao Zhigang
- 刊名：Acta Seismologica Sinica
- 出版年：2012
- 卷期：34(4)
- 关键词：强震 ; strong earthquakes ; 地震危险性 ; seismic risk ; 南北地震带 ; North-South Seismic Belt
- 页码：p.509-525
- 图表：8 illus., 1 table, 63 refs.
- 分类号：0500
- issnNo：ISSN0253-3782
- isbnNo：CN11-2021/P
摘要
///In the northern segment of the North-South seismic zone there are unbroken active faults, on which no MS ≥7.0 earthquakes have occurred for a long time. Based on the evolution model of Coulomb failure stress,the spatial pattern of seismicity following the Dieterich rate- and state- dependent constitutive law was calculated. The result of earthquake damage probability estimation indicates that the regions having the risk level from high to low are sequentially the Ruoergai-Jiuzhaigou region of east Kunlun fault, middle and southern Liupanshan fault, Tongxin region of middle and southern Xiangshan-Tianjingshan fault, Tianzhu-Dajing region,middle and west segments of western Qinling Mountains fault and east segment of western Qinling Mountains fault.
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