华东地区大震前的地震平静及发震模式研究

Abstract

Abstract: Using the quantitative calculation method of accumulative frequency, the seismic quiescence and seismogenic patterns before large earthquakes in East China region since 1970 are researched.The results show that the most cases have quiescence anomaly, occurred half a year to one year before large earthquakes;and that there are dif ferent kinds of seismogenic patterns before large earthquakes, w hich indicates the dif ferences of the inhomogeneity and complexity in focal region and its neig hboring fault structure.

Key words: Seismic quiescence, Activity, Quantitative calculation, Seismogenic pattern

CLC Number:

P315.7

LI Qiang, XU Gui-ming. Research on seismic quiescence and seismogenic patterns before large earthquakes in East China region[J]. EARTHQUAKE, 2003, 23(4): 57-63.

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Research on seismic quiescence and seismogenic patterns before large earthquakes in East China region

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