Statistical Tests of Load-Unload Response Ratio Signals By Lattice Solid Model: Implication To Tidal Triggering and Earthquake Prediction

doi:10.1007/s00024-004-2534-1

IMECH-IR > 力学所知识产出(1956-2008)

	Statistical Tests of Load-Unload Response Ratio Signals By Lattice Solid Model: Implication To Tidal Triggering and Earthquake Prediction
	Wang YC(王裕仓); Mora P; Yin C; Place D; Wang, YC (reprint author), Univ Queensland, Dept Earth Sci, QUAKES, Brisbane, Qld 4072, Australia.
发表期刊	PURE AND APPLIED GEOPHYSICS
	2004
卷号	161 期号:9-10 页码:1829-1839
ISSN	0033-4553
摘要	Statistical tests of Load-Unload Response Ratio (LURR) signals are carried in order to verify statistical robustness of the previous studies using the Lattice Solid Model (MORA et al., 2002b). In each case 24 groups of samples with the same macroscopic parameters (tidal perturbation amplitude A, period T and tectonic loading rate k) but different particle arrangements are employed. Results of uni-axial compression experiments show that before the normalized time of catastrophic failure, the ensemble average LURR value rises significantly, in agreement with the observations of high LURR prior to the large earthquakes. In shearing tests, two parameters are found to control the correlation between earthquake occurrence and tidal stress. One is, A/(kT) controlling the phase shift between the peak seismicity rate and the peak amplitude of the perturbation stress. With an increase of this parameter, the phase shift is found to decrease. Another parameter, AT/k, controls the height of the probability density function (Pdf) of modeled seismicity. As this parameter increases, the Pdf becomes sharper and narrower, indicating a strong triggering. Statistical studies of LURR signals in shearing tests also suggest that except in strong triggering cases, where LURR cannot be calculated due to poor data in unloading cycles, the larger events are more likely to occur in higher LURR periods than the smaller ones, supporting the LURR hypothesis.
关键词	Load-unload Response Ratio (Lurr) Lattice Solid Model (Lsm) Numerical Simulation Tidal Trigger Earthquake Prediction
DOI	10.1007/s00024-004-2534-1
收录类别	SCI
语种	英语
WOS记录号	WOS:000223745800002
关键词[WOS]	LURR THEORY
WOS研究方向	Geochemistry & Geophysics
WOS类目	Geochemistry & Geophysics
引用统计	被引频次：16[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/58472
专题	力学所知识产出(1956-2008)
通讯作者	Wang, YC (reprint author), Univ Queensland, Dept Earth Sci, QUAKES, Brisbane, Qld 4072, Australia.
推荐引用方式 GB/T 7714	Wang YC,Mora P,Yin C,et al. Statistical Tests of Load-Unload Response Ratio Signals By Lattice Solid Model: Implication To Tidal Triggering and Earthquake Prediction[J]. PURE AND APPLIED GEOPHYSICS,2004,161,9-10,:1829-1839.
APA	王裕仓,Mora P,Yin C,Place D,&Wang, YC .(2004).Statistical Tests of Load-Unload Response Ratio Signals By Lattice Solid Model: Implication To Tidal Triggering and Earthquake Prediction.PURE AND APPLIED GEOPHYSICS,161(9-10),1829-1839.
MLA	王裕仓,et al."Statistical Tests of Load-Unload Response Ratio Signals By Lattice Solid Model: Implication To Tidal Triggering and Earthquake Prediction".PURE AND APPLIED GEOPHYSICS 161.9-10(2004):1829-1839.

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