华北地区强震前地震活动的异常增强

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EARTHQUAKE ›› 2000, Vol. 20 ›› Issue (3): 43-47.

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Enhancement of seismicity before strong earthquake in North China

LU Xiao-jian, LIU Pu-xiong

Center for Analysis and Prediction, CSB, Beijing 100036, China

Received:1999-11-15 Revised:1999-12-16 Online:2000-07-31 Published:2022-09-30

Abstract

Abstract: Acceleration pattern of strain release curves is a sign of the enhancement of seismicity and mid-term earthquake prediction.In order to examine the efficiency of earthquake prediction based on this method,we conduct the space scanning of strain release curves by using the data of small earthquakes during 1970~1996in North China. The result shows the method has better efficiency of prediction.Some problems regarding the mid-term prediction are also discussed.

Key words: Enhancement of seismicity, Strain release, Earthquake prediction, Efficiency of prediction

CLC Number:

P315.5

LU Xiao-jian, LIU Pu-xiong. Enhancement of seismicity before strong earthquake in North China[J]. EARTHQUAKE, 2000, 20(3): 43-47.

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Enhancement of seismicity before strong earthquake in North China

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