内蒙古中东部地区数字化形变同震响应特征研究

Study on Co-seismic Response Characteristics of Digital Deformation in Central-Eastern Inner Mongolia

以呼和浩特台、海拉尔台、乌兰浩特台、赤峰台等4个台站的数字化DSQ水管倾斜观测资料为基础,应用统计方法,研究了2008—2018年200个地震事件的远场同震响应特征。通过回归分析,计算地震面波响应延迟时间、振幅、震级、震中距等基本物理量之间的函数关系。通过模型计算,得到模拟震级与实际震级的R值多数为0.8左右,标准误差在0.3左右。

On the basis of the Digital Dsq water pipe tilt data from the Daqingshan piedmont fault at Hohhot,Hailar,Ulan Hot and Chifeng stations in the north,middle and south sections of Greate Khingan,we applied the statistical method to study the far-field coseismic responses of 200 earthquake events from 2008 to 2018. The delay time and amplitude of seismic surface wave response,and the functional relationship between them and basic physical parameters such as magnitude and epicentral distance are calculated by regression. Through the model calculation,the R value of the simulated magnitude and the actual magnitude is about 0. 8 mostly,and the standard error is about 0. 3.