2003年北黄海5.1级地震的地震活动特征
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摘要
对2003年北黄海5.1级地震的地震活动背景、地震序列、震中周围中小地震活动图像及地震学参数等进行了详细分析。认为该次地震为前-主-余型,经历了一个活跃-平静-发震的过程;地震前震中附近出现了孕震空区和一些地震活动性参数异常。
It was analyzed that seismicity background,earthquake sequence,seismicity pattern of moderate-small earthquake around epicenter and seismology parameter of Beihuanghai M_L5.1 earthquake in 2003.The result shows that the earthquake sequence is mainly foreshock-mainshock-aftershock type and goes through a process of activity-quiescencehappening earthquake,appears seismogenic gap around the epicenter as well as some seismicity parameter anomalies before this earthquake.
引文
[1]国家地震局预测预防司.测震学分析预报方法[M].北京:地震出版社,1997.

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