内蒙古阿拉善左旗M 5.8地震强震记录分析  

Analysis of strong motion records of Alax Zuoqi M 5.8 earthquake

作　　者：杨锐[1] 解全才[2] 杨程[2] 钱亮[2] 李继龙[2] 毛国良[1] 王莉婵 刘新[1] 

机构地区：[1]河北省地震局,中国石家庄050021 [2]中国地震局工程力学研究所,中国哈尔滨150080

出　　处：《地震地磁观测与研究》2016年第5期35-40,共6页Seismological and Geomagnetic Observation and Research

基　　金：中国地震局测震台网青年骨干培养专项(项目编号:20160504);河北省地震局科技星火项目(项目编号:DZ20160407040)

摘　　要：2015年4月15日内蒙古阿拉善盟阿拉善左旗发生M 5.8地震,国家强震动台网中心获取39组强震动记录。对此地震进行反应谱和傅里叶谱分析,得出峰值加速度图和仪器烈度图,得到仪器烈度值最大为6.5度,震中距最小的地震台仪器烈度为6.2度,与震中现场灾害评估烈度7度、大部分地区6度一致,充分体现了强震动台网建设成效。One M 5.8 earthquake occurred in Alax Zouqi, Inner Mongolia on April 15, 2015. There are39 sets of strong motions recorded by National Strong Motion Network Center. According to thepeak acceleration diagrams and instrument intensity map which obtained from the analysis of theresponse spectrum and the Fourier spectrum of the strong motion of Alax Zouqi M 5.8 earthquake,the maximum instrument intensity is 6.5 degree and the instrument intensity of the nearest stationis 6.2 degree which are basically consistent with the epicenter intensity of 7 degree from sitedisaster assessment and most areas of 6 degree. And the similarity can fully reflect the role andeffect of the strong motion network construction.

关 键 词：强震动记录 加速度峰值 频谱分析 地震烈度 

分 类 号：P315.73[天文地球—地震学]