广西九塘井水位突变异常映震效能分析  

Seismic Reflection Efficiency Analysis of Sudden Change of Water Level in Jiutang Well,Guangxi

作　　者：莫佩婵 袁媛 文翔 梁飞 黄美丽 苏珊 MO Peichan;YUAN Yuan;WEN Xiang;LIANG Fei;HUANG Meili;SU Shan(Earthquake Agency of Guangxi Zhuang Autonomous Region,Nanning 530022,China)

机构地区：[1]广西壮族自治区地震局,南宁530022

出　　处：《华南地震》2022年第4期94-101,共8页South China Journal of Seismology

基　　金：地震科技星火项目计划(XH22004YA);广西局科研合同制项目(202102)联合资助。

摘　　要：通过收集、整理九塘井多年来观测资料,发现该井水位形态多次出现加速上升并溢出井口的突变异常,异常的出现与观测井周围200 km范围4.5级左右地震的发生有较好对应关系。结合地质构造、水文地质、观测环境、气象因素等影响因素分析结果,认为九塘水位的动态变化反映了区域应力应变过程,其突变异常的出现对桂西地区地震活动性研判具有一定指示意义。By collecting and sorting out the observation data of Jiutang well over the years,obvious anomalies of sudden rise of water level and overflow from the wellhead had been found for several times,which were well corresponding to the occurrence of earthquakes of about M_(L)4.5 within 200 km around the observation well.Combining with the analysis results of influencing factors such as geological structure,hydrogeology,observation environment and meteorological factors,it is considered that the dynamic change of Jiutang water level reflects the regional stress-strain process,and the occurrence of abrupt anomalies has certain guiding significance for the study and judgment of seismicity in western Guangxi.

关 键 词：九塘井 井水位突变 映震效能 

分 类 号：P315.723[天文地球—地震学]