内蒙古和林格尔6.3级地震前地震的空段异常
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摘要
1976年4月6日内蒙古和林格尔6.3级地震是华北北部地区1次重要的地震,该地震前出现了明显的地震空段异常。介绍了该地震空段的时空特征,分析了地震空段的形成至解体与中强地震成组活动的关系。认为,地震空段可作为华北北部地区中强地震预测的中期判据,这对该地区地震预测有帮助意义。
The Apr.6,1976 Helingeer earthquake of M6.3 is one of important earthquakes in northern part of the North China. There was an obvious earthquake gap anomaly before this event. The time-space feature of this earthquake gap is introduced. The relation between the earthquake gap from formation to decomposition and the composed activities of medium-strong earthquakes.The author propose that a earthquake gap can be taken as a medium-period criteria for predicting medium-strong earthquakes of northern part of the North China, which is helpful for earthquake prediction of this area.
引文
[1] 啜永清,孟雁英.1989年以来山西地震活动的新特征[J].山西地震,1999(2):4-7.
    [2] 薛 丁,徐建德,阎海滨,等.山西北部至晋冀蒙交界地区几次中强地震前4级地震活动研究[J].山西地震,2002(4):17-21.
    [3] 张国民.中国大陆强震成组活动的韵律性特征[J].地震地质,1987,9(2):27-37.

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