Effects of large historical earthquakes, viscous relaxation, and tectonic loading on the 2008 Wenchuan earthquake
Effects of large historical earthquakes, viscous relaxation, and tectonic loading on the 2008 Wenchuan earthquake
复制标题
历史大地震、粘性松弛和构造载荷对2008年汶川地震的影响
DOI:
10.1029/2011jb009046
复制
发表时间:
2012-06
影响因子:
--
通讯作者:
胡才博
中科院分区:
文献类型:
--
作者:
胡才博
The 2008 Wenchuan earthquake (M7.9) occurred on the Longmenshan Fault in Sichuan, China. Both the seismicity and slip rate of the fault are lower than those of other faults in the region. By incorporating large earthquakes in the region during the past 222 years into our investigation, the effects of historical earthquakes, viscous relaxation, and tectonic loading on the Wenchuan earthquake were studied, using a quasi‐static, finite element model. In this model, we first simulated an initial stress field constrained by fault slip rates obtained by GPS and geologic observations in the region. We then simulated earthquakes by fault softening. The results show that tectonic loading has the most significant effect on the Longmenshan Fault, whereas viscous relaxation of the lower crust and upper mantle has the least effect. The effects of the historical earthquakes are variable; some promote the earthquake potential and others retard the earthquake potential.
登录
查看更多内容
DOI:
10.5860/choice.28-1579
发表时间:
2016
期刊:
--
影响因子:
--
作者:
Leon Bieber
通讯作者:
Leon Bieber
影响因子:
2
作者:
Papadimitriou, E;Wen, XZ;Jin, XS
通讯作者:
Jin, XS
影响因子:
1.4
作者:
A. Geyer;Agust Gudmundsson
通讯作者:
A. Geyer;Agust Gudmundsson
DOI:
10.1007/bf02959446
发表时间:
2000-08
期刊:
Science in China Series D: Earth Sciences
影响因子:
--
作者:
S. Deng;Shijun Wang
通讯作者:
S. Deng;Shijun Wang
影响因子:
3.1
作者:
S. Schulz;James P. Evans
通讯作者:
S. Schulz;James P. Evans