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天津前兆台网映震效能评价

Analysis of Earthquake Reflecting Ability of Tianjin Earthquake Precursor Network

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【作者】 杨柳邵永新马建英

【Author】 YANG Liu;SHAO Yong-xin;MA Jian-ying;Earthquake Administration of Tianjin Municipality;

【机构】 天津市地震局

【摘要】 依据2002—2011年天津年度地震趋势研究报告,统计了天津前兆台网观测项目的前兆异常情况。并以首都圈地区ML4.0以上地震和华北地区MS5.0以上地震作为震例,从总体映震能力、观测项目的映震比例、有震异常比例、前兆台网映震的方向性、各前兆学科的映震能力等方面,对天津地区前兆台网的映震情况进行深入分析。最后,对天津前兆台网现阶段存在的问题进行讨论。

【Abstract】 On the basis of the annual report for the earthquake trend of Tianjin from 2002 to 2011,this paper collected the precursor anomalies of the observation projects in Tianjin earthquake precursor network.And selecting ML ≥4.0 earthquakes occurred in capital area and MS ≥5.0 earthquakes occurred in North China as earthquake examples,we analyzed the earthquake reflecting ability of Tianjin earthquake precursor network thoroughly from the overall earthquake-reflecting capacity,the earthquake-reflecting proportion of the observation projects,the proportion of the seismic precursor,the earthquake-reflecting directionality of the precursory network and the earthquake-reflecting capacity of the various subjects,etc.Finally,this paper discussed the existing problems in tianjin earthquake precursor network.

【基金】 天津市地震局青年课题(101008);天津市“十一五”地震安全基础工程“前兆仪器更新改造”项目(ZAGC-8-2)
  • 【文献出处】 华北地震科学 ,North China Earthquake Sciences , 编辑部邮箱 ,2013年03期
  • 【分类号】P315.75
  • 【被引频次】1
  • 【下载频次】33
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