新疆哈拉峻钻孔倾斜矢量打结异常映震特征初步分析  

PRELIMARY ANALYSIS ON EARTHQUAKE REFLECTING CHARACTERISTICS OF KNOT VECTOR ANOMALIES OF HALAJUN BOREHOLE INCLINOMETER IN XINJIANG

作　　者：赵彬彬[1] 高歌[1] ZHAO Bin-bin,GAO Ge(Earthquake Agency of Xinjiang Uygur Autonomous Region, Urumqi 830011, Xinjiang, China)

机构地区：[1]新疆维吾尔自治区地震局,新疆乌鲁木齐830011

出　　处：《内陆地震》2018年第2期103-111,共9页Inland Earthquake

基　　金：中国地震局2017年度震情跟踪合同制项目(2017010123)资助

摘　　要：利用矢量合成方法,对哈拉峻钻孔倾斜仪数字化观测数据进行统计分析,发现矢量打结与周边中强地震的发生具有一定的对应关系。分析结果表明,(1)哈拉峻钻孔倾斜矢量打结异常超过30天地震对应率达到65%以上,可达到异常判定指标;(2)矢量打结持续时间与中强地震震级、震中距关系不大;(3)矢量打结结束至发震时间间隔与震中距之间相关性较好,时间间隔越长,震中距越大。Using vector synthesis method,this paper statistical analyzed knot vector anomalies of borehole inclinometer in Halajun station before strong earthquakes in the vicinity. The results showed：（ 1） the knot vector anomalies of borehole inclinometer in Halajun station had better reflection to earthquakes,if reached 30 days the earthquake corresponding ratio is above 65%;（ 2） the knot vector time was irrelevant about earthquake magnitude and epicentral distance;（ 3） There was a good correlation between the time interval from ending knot vector to earthquake and epicentral distance.

关 键 词：新疆哈拉峻 钻孔倾斜 映震特征 地震对应率 异常分析 

分 类 号：P315.7[天文地球—地震学]