摩擦状态-速率依从的区域地震触发模型研究

Abstract

Abstract: A frictional state-velocity dependent model was designed to study regional seismicity triggered by big earthquakes, which consisted of a number of functions representing the seismic nucleation faults. The effect of regional stress caused by big events was presented by stress step load, and a one-dimension frictional state-velocity dependent model of free string-block was used to estimate the advanced occurring time of events. The results show that remarkable change of seismicity could be detected while a stress load with amplitude one to several percents of stress drop was added, which was similar to the regional seismicity triggered by a big event. Change of the seismicity was proved to be significant by statistical test.

Key words: Frictional state-velocity dependent, Regional triggering seismicity, Mathematical-Physical model

CLC Number:

P315

LIU Gui-ping, FU Zheng-xiang, LI Gang, HAO Ping. Study on the frictional state-velocity dependent model of regional triggering seismicity[J]. EARTHQUAKE, 2004, 24(1): 176-183.

References

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Study on the frictional state-velocity dependent model of regional triggering seismicity

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