An enhanced deconvolution procedure for retrieving the seismic moment tensor from a sparse network

An enhanced deconvolution procedure for retrieving the seismic moment tensor from a sparse network
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用于从稀疏网络中检索地震矩张量的增强反褶积过程

DOI:
10.1111/j.1365-246x.1976.tb01272.x
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发表时间:
1976
期刊:
影响因子:
--
通讯作者:
R. Buland
R. Buland
中科院分区:
--
文献类型:
--
作者:
G. Freeman;R. Buland

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总结 理论上,一个水平极化的地震计可以用来求出埋藏点源的地震矩张量的六个独立元素,只要该仪器既不是纵向极化的也不是横向极化的。此外,可以使用两个垂直极化地震仪,只要震中不位于通过两个仪器的大圆上。这些结果形成了从稀疏地震台网中恢复震源机制的理论基础。
Summary In theory, a single horizontally polarized seismometer can be used to find the six independent elements of the seismic moment tensor of a buried point source, provided that the instrument is neither longitudinally nor transversely polarized. Also, two vertically polarized seismometers can be used, provided that the epicentre does not lie on the great circle through the two instruments. These results form the theoretical basis for a procedure for retrieving the source mechanism from a sparse seismographic network.