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前郭-乾安地震诱发的余震前微破裂研究
引用本文:吴江星,于洪池,张晓强,刘灏,朱大庆. 前郭-乾安地震诱发的余震前微破裂研究[J]. 长春工程学院学报(自然科学版), 2010, 11(4): 73-75,89. DOI: 10.3969/j.issn.1009-8984.2010.04.021
作者姓名:吴江星  于洪池  张晓强  刘灏  朱大庆
作者单位:吉林省地震局长春合隆地震台,长春,130022;吉林省地震局长春合隆地震台,长春,130022;吉林省地震局长春合隆地震台,长春,130022;吉林省地震局长春合隆地震台,长春,130022;吉林省地震局长春合隆地震台,长春,130022
摘    要:
对2006年3月31日发生在吉林省前郭-乾安县之间的Ms4.8级地震后所诱发的一次3.7级余震之前产生的一系列特殊的微破裂事件,采用时序列分布、空间分布、谱分析以及震源力学性质等方法,进行了初步研究.给出了本地区余震前出现的微破裂事件的基本特征,为地震后的余震预报提供了一种短临异常信息参考.

关 键 词:前郭-乾安地震  基本参数  地震序列  微破裂  震源机制

Research on micro-abruption before the aftershock induced by the Qianguo-Qian'an earthquake
WU Jiang-xing,etc.. Research on micro-abruption before the aftershock induced by the Qianguo-Qian'an earthquake[J]. Journal of Changchun Institute of Technology(Natural Science Edition), 2010, 11(4): 73-75,89. DOI: 10.3969/j.issn.1009-8984.2010.04.021
Authors:WU Jiang-xing  etc.
Affiliation:WU Jiang-xing,etc.(Changchun Helong Seismological Observatory,Earthquake Administration of Jillin Province,Changchun 130022,China)
Abstract:
According to a series of special micro-abruption events occurred before the 3.7 aftershock induced by the Ms4.8 earthquake occurredbetween Qianguo county and Qian'an county of Jilin province on 31st of March 2006,this paper makes the elementary research by choosing the methods of sequence distribution,spatial distribution,spectrum analysis and hypocenter mechanical property,and then offers the basic characteristics of these micro-abruption events occurred before the aftershock of this area,which provides a ...
Keywords:Qianguo-Qian'an earthquake  basic parameter  earthquake sequence  micro-abruption  hypocenter mechanism  
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