华北地区强震前三个月地震活动异常及初步综合评判

THE SEISMICITY ANOMALIES THREE MONTH BEFORE STRONG EARTHQUAKES AND ITS PRIMARY DETERMINATION

    摘要
  • 摘要: 对华北地区1970年以来发生的5级以上地震逐个进行分析研究,总结了每次地震震前的异常地震活动特点,进而寻找强震前三个月共性的地震活动异常特征。最后用物元分析方法,对地震强度预测综合评判模型进行了初步研究,并建立了初步的综合物元预测模型。

     

    Abstract: the earthquakes above M5 occurred in north China since 1970 is studied respectively.In order to find the common character of seismicity anomalies three months before strong events,the feature of seismicity anomalies before each event is summarized.Finally,the model of comprehensive determination for seismic intensity is preliminarily studied and established.

     

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