晋冀蒙交界地区地电阻率变化与震兆特征研究  

Study on the Variation of Geoelectrical Resistivity and Seismic Precursor Characteristics in the Bordering Region of Shanxi,Hebei and Inner Mongolia

作　　者：宁亚灵[1,2] 吕海杰 王鹏伟[1,2] NING Ya-ling;LV Hai-jie;WANG Peng-wei(Shanxi Earthquake Agency,Taiyuan,Shanxi 030021,China;National Continental Rift Valley Dynamics Observatory of Taiyuan,Taiyuan,Shanxi 030025,China;Zheng zhou Industry ang Trade School,Zhengzhou,Henan 450007,China)

机构地区：[1]山西省地震局,山西太原030021 [2]太原大陆裂谷动力学国家野外科学观测研究站,山西太原030025 [3]郑州工业贸易学校,河南郑州450007

出　　处：《山西地震》2022年第4期1-5,共5页Earthquake Research in Shanxi

基　　金：震情跟踪定向工作任务(2015010408);山西省地震局科研项目(SBK-1501、SBK-2206)。

摘　　要：地电阻率观测是地震监测的手段之一,能探测地下一定范围内介质的电阻率变化情况。选取晋冀蒙交界地区的河北阳原、山西大同、内蒙古宝昌及山西代县4个地震监测站的地电阻率观测数据,分析其震兆特征的变化。结果表明,地电阻率上升、下降的异常变化,年变消失等现象与地震事件具有较好的对应关系。The observation of geoelectrical resistivity is one of the means of seismic monitoring,which can detect the change of the resistivity of the medium in a certain range of underground.This paper selects the geoelectrical resistivity observation data of Yangyuan,Datong,Baochang and Daixian Seismic Stations in the bordering region of Shanxi,Hebei and Inner Mongolia,are selected to analyze the change of seismic precursor characteristics.The results show that the phenomena such as the change anomalies of the rise and fall of the geoelectrical resistivity value and the disappearance of annual change have a good correspondence with seismic events.

关 键 词：地电阻率 异常 晋冀蒙交界地区 震兆特征 

分 类 号：P315.722[天文地球—地震学]