Prelimary analysis of the teleseismic receiver functions of Ningxia and its adjacent area

摘要：

The teleseismic receiver functions of digital seismic network of Ningxia and its adjacent area are calculated with two different Gauss filter factors.The accuracy and stability of the receiver functions are discussed.The H-Kappa stacking method is applied to estimate the crustal thickness and velocities ratio beneath seismic stations.The results indicate that there are sharp changes of crustal thickness and velocities ratio in the studied region.This region is located in the northeastern margin of Tibet,and also a junction of several first-grade blocks.The large contrast of crustal structure in this region is considered to be resulted from the interaction of these blocks.Our results are helpful to construct the completed model of the formation and evolution of the Tibet.Some local structures are also discussed combining with the geological faults.

关键词： receiver function Ningxia crustal thickness velocity ratio

作者: Xiaoqing Xu Xuzhang Shen

作者单位: Earthquake Administration of Ningxia HuiAutonomous Region, Yinchuan 750001, China Lanzhou Institute of Seismology, China Earthquake Administration, Lanzhou 730000, China

会议类型: 国内会议

会议名称: 中国地震监测预报论坛暨中国地震学会地震预报专业委员会、地震观测技术专业委员会联合学术大会

会议地点: 石家庄

会议语种:英文

页码: 77-77

在线出版日期: 2012-05-15（万方平台首次上网日期，不代表论文的发表时间）