乌什4.5级地震前阿克苏前兆观测资料异常分析  

ABNORMAL ANALYSIS ON AKESU PRECURSORY OBSERVATION DATA BEFORE WUSHI M4.5 EARTHQUAKE

作　　者：蒋志英[1] 赖爱京[1] 张锦萍[1] JIANG Zhiying;LAI Aijing;ZHANG Jinping(Akesu Seismic Station,Earthquake Agency of Xinjiang Uygur Autonomous Region,Akesu 843000,China)

机构地区：[1]新疆维吾尔自治区地震局阿克苏中心地震台

出　　处：《高原地震》2019年第2期48-53,共6页Plateau Earthquake Research

摘　　要：以2016年7月19日新疆乌什M4.5级地震为研究对象,利用阿克苏前兆观测资料,采用形态法分析此次地震前异常特征。分析表明:震前乌什台水管倾斜、伸缩仪、体应变和阿克苏台痕量氢均准同步出现了明显的震前异常,异常主要表现为数据的加速变化、年变畸变、幅值波动变化。The anomalies before the M 4.5 earthquake in Wushi county,Xinjiang on July 19,2016 are analyzed through precursor observations of Akesu. It is found that the pre-seismic anomalies occurred at the quasi-synchronism between the water pipe tilt,extensometer,body strain and Akesu’s trace hydrogen before the earthquake. The anomalies mainly include acceleration,annual variation and amplitude fluctuation.

关 键 词：乌什M4.5级地震 前兆观测资料 异常表现 

分 类 号：P315.72[天文地球—地震学]