Centroid moment tensor inversion of low-frequency seismic spectra using Green's functions for aspherical earth models
Centroid moment tensor inversion of low-frequency seismic spectra using Green's functions for aspherical earth models
复制标题
使用非球面地球模型的格林函数进行低频地震谱的质心矩张量反演
DOI:
10.1111/j.1365-246x.1997.tb01003.x
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发表时间:
1997
影响因子:
2.8
通讯作者:
T. Hara
中科院分区:
文献类型:
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作者:
T. Hara
SUMMARY
We present a new method for centroid moment tensor (CMT) inversion, in which we employ the Green's function computed for aspherical earth models using the Direct Solution Method. We apply this method to CMT inversion of low-frequency seismic spectra for the 1994 Bolivia and 1996 Flores Sea deep earthquakes. The estimated centroid locations agree well with those obtained by multiple-shock analyses using body-wave data. This shows that it is possible to obtain reliable CMT solutions by analyses of low-frequency seismic spectra using accurate Green's functions computed for present 3-D earth models.
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