用折射波S_n走时反演渭河断陷及邻近地区的莫霍面速度  

SEISMIC VELOCITY IMAGE OF MOHO DISCONTINUITY BENEATH THE WEIHE FAULT DEPRESSION AND ITS ADJACENT AREAS OBTAINED BY INVERSION OF TRAVEL-TIME DATA OF S_n WAVES

作　　者：狄秀玲[1] 袁志祥[1] 丁韫玉[1] 

机构地区：[1]陕西省地震局,陕西西安710068

出　　处：《西北地震学报》1999年第2期178-182,共5页Northwestern Seismological Journal

基　　金：地震科学联合基金!95208

摘　　要：根据陕西及邻近省区地震台网的地震记录，利用莫霍面折射波Sn的走时资 料，重建了渭河断陷及邻近地区莫霍间断面的速度图像，并对方法的稳定性及结果的 可靠性进行了探讨。By inversion of travel-time data of S_n waves from natural earthquakes recorded by local seis- mic network in Shaanxi Province and adjacent areas, the velocity image of Moho discontinuity be- neath the Weihe fault depression and adjacent areas is obtained. Then stability of the used method and reliability of the results are discussed

关 键 词：折射波 莫藿间断面 渭河断陷 速度图像 地震 

分 类 号：P315.2[天文地球—地震学] P315.63[天文地球—固体地球物理学]