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晋1-1井水位异常与晋冀蒙交界区中强地震关系简析

Relationship between Water Level Anomalies in Jin 1-1 Well and Moderate Earthquake in Shanxi-Hebei-Inner Mongolia Border Region

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【Author】 LI Hui-ling1,2,GAO Yun-feng1,2,JIA Jiong3,ZHANG Deng-ke4,GAO Cun-ying5,2(1.Daixian Central Seismic Station,Shanxi Province,Daixian 034200,China; 2.National Continental Rift Valley Dynamics Observatory of Taiyuan,Taiyuan 030025,China; 3.Earthquake Administration of Hebei Province,Shijiazhuang 050022,China; 4.Earthquake Administration of Datong city,Shanxi Province,Datong 037006,China; 5.Datong Central Seismic Station,Shanxi Province,Datong,037006,China)

【机构】山西省地震局代县中心地震台；太原大陆裂谷动力学国家野外科学观测研究站；河北省地震局；山西省大同市地震局；山西省地震局大同中心地震台；

【摘要】通过对晋1-1井22年水位观测资料进行系统清理,对距井区约330km范围一些中强震前的水位资料进行了细致分析。结果表明:晋1-1井地震异常以短临突变异常为主,异常时间多小于80d。根据大量的震例统计结果给出了地震前兆异常定量判别指标,当曲线阶升异常幅度大于30mm或阶降大于40mm时视为震兆异常。更多还原

【Abstract】 In this paper,22 year water level data of Jin 1-1 well are processed and the relationship between water level anomalies and moderate earthquakes within 300 km of the well is studied.The result shows that the anomalies are mostly abrupt short-impending anomalies less than 80 days.Step-rising anomaly with amplitude of over 30mm and step-dropping anomaly with amplitude of over 40mm can be seen as seismic precursor.更多还原

【关键词】水位；突变异常；地震；关系；
【Key words】 water； abrupt anomaly； earthquakes； relationship；

【文献出处】华北地震科学 ,North China Earthquake Sciences , 编辑部邮箱 ,2012年01期

【分类号】P315.723
【下载频次】27

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