Guo LU-CAN, TANG YOU-MEI, YAN ZHI-DE, WANG ZHI-GANG, YANG SHU-BIN, WU MING-XI, JIN GUI-FANGloans.com sh advance same lucashadv. 1981: P AND S TRAVEL TIMES FROM EARTHQUAKES IN THE CHINESE REGION. Acta Seismologica Sinica, 3(2): 197-210.
Citation: Guo LU-CAN, TANG YOU-MEI, YAN ZHI-DE, WANG ZHI-GANG, YANG SHU-BIN, WU MING-XI, JIN GUI-FANGloans.com sh advance same lucashadv. 1981: P AND S TRAVEL TIMES FROM EARTHQUAKES IN THE CHINESE REGION. Acta Seismologica Sinica, 3(2): 197-210.

P AND S TRAVEL TIMES FROM EARTHQUAKES IN THE CHINESE REGION

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  • Published Date: August 31, 2011
  • In this work, we collected the observed data of 266 earthquakes occurred in China and its bordering region during the years 1952-1971. A total of some 20,000 arrivals of P and S waves were available from more than 500 seismological stations at home or abroad. In order to reduce the travel time data of all earthquake focal depths to that of surface foci, and to strip the earth's crust, a 2-layer average velocity model of the crust for the region was proposed based on observations of large explosions and results of some other studies of crustal structure, combined with the above mentioned data of seismological observations. All of the earthquake epicenters and origin times have been revised by an iteration procedure. The smoothing technique of cubic splines as described by Curtis (1970) was applied for the P and S travel times for surface foci. The Herglotz-Wiechert-Bateman method was used to inverse P and S velocity distribution with depths in the mantle for this region. Finally, a set of travel times tables of P and S waves for various focal depths were constructed in the epicentral distance range of △= 0-104. Practical experiences show that the new tables have been relatively improved in accuracy for epicentral location of earthquakes of this region than other tables.
  • [1] Jeffreys, Sir Harold and K.E. Bnllen (1940). Seismological Tables, Brit.Assn Gray——Milne Trust.及1970年重印版.

    [2] W. Tucker, E. Herein and H W. Freedman Statistical aspects of the estimation of seismic travel times Bull.seism.Soc.Am.,58,1243——1260,1968

    [3] E.R.Engdahl, J. N. Tagga.rt, Jolin L. Lobdell, E. P. Arnold and G. E. Clawson, Compnta tional methods, Bull. Seism. Soc,Am., 58, 1339——1344, 1968.

    [4] E. Ilerrin, Introduction to“1968 Seismological Tables for P phases", Bull. Seism. Soc.Am, 58,1193——1241 1968.

    [5] 曾融生、滕吉文等,我国西北地区地壳中的高速夹层,地球物理学报,14,,94——106, 1965

    [6] 滕吉文等,柴达木东盆地的深层地震反射波和地壳构造,地球物理学报,17, 2, 122——134, 1974.

    [7] 滕吉文、陈学波等,华北平原中部地区深部构造背景及邢台地震(一),地球物理学报,17,4, 255——271, 1974.

    [8] 中国科学院地球物理研究所,临汾盆地地壳界面的反射波和地壳结构,地球物理学报,17, ", 239——245,1974.

    [9] 宋仲和、谭承业,用瑞雷和乐夫面波群速度确定我国地壳厚度,地球物理学报,14, 1, 33——43, 1965.

    [10] 曾融生、宋子安,我国境内瑞雷波的相速度,地球物理学报,12, 2, 143——165, 1963.

    [11] 丁韫玉,SP',波与我国地壳厚度,地球物理学报,14, 3, 168——171, 1965.

    [12] 孙广忠、吕梦麟,地壳结构的轮廓和形成,地质科学,4, 331——340, 1964.

    [13] 刘正荣,用宏观方法测定震源深度的量板,地球物理学报,10, 2, 1961.

    [14] M. J. Randall, A revised travel time for S, Gecplays. J., R. Astr. Soc., 22, 229——334, 1971.

    [15] A. R.. Curbs and M. Shimshoni, The smoothing of seismological travel time tables using cubic spumes., Bull. Seism. Soc, 9rn., 60, 1077——1087, 1970.

    [16] K. E. Bullen, The Earth's Density, London, Chapman and Hall, 1975.

    [17] R .C. Agrawal, Travel times of P from deep——focus Indian eartliquakes, Pleys. Earth Plantet. Zest.,17, 232——248, 1978.

    [18] R .C. Agrawal. S times from deep——focus Indian earthquakes, Geophys, J. R. astr. Soc., 54,461——473, 1978.

    [19] M. A. Enayatollah, Travel times of P——waves for the Swedish——Finnish Seismograpli Network, Pur.&Appl. Geophys., 94, 101——135, 1972.

    [20] 国家地震局地球物理所编,新编地震走时表,地震出版社,1980年.

    [21] 国家地震局地球物理所九室编,震相便查表,地震出版社,1980年.

    [1] Jeffreys, Sir Harold and K.E. Bnllen (1940). Seismological Tables, Brit.Assn Gray——Milne Trust.及1970年重印版.

    [2] W. Tucker, E. Herein and H W. Freedman Statistical aspects of the estimation of seismic travel times Bull.seism.Soc.Am.,58,1243——1260,1968

    [3] E.R.Engdahl, J. N. Tagga.rt, Jolin L. Lobdell, E. P. Arnold and G. E. Clawson, Compnta tional methods, Bull. Seism. Soc,Am., 58, 1339——1344, 1968.

    [4] E. Ilerrin, Introduction to“1968 Seismological Tables for P phases", Bull. Seism. Soc.Am, 58,1193——1241 1968.

    [5] 曾融生、滕吉文等,我国西北地区地壳中的高速夹层,地球物理学报,14,,94——106, 1965

    [6] 滕吉文等,柴达木东盆地的深层地震反射波和地壳构造,地球物理学报,17, 2, 122——134, 1974.

    [7] 滕吉文、陈学波等,华北平原中部地区深部构造背景及邢台地震(一),地球物理学报,17,4, 255——271, 1974.

    [8] 中国科学院地球物理研究所,临汾盆地地壳界面的反射波和地壳结构,地球物理学报,17, ", 239——245,1974.

    [9] 宋仲和、谭承业,用瑞雷和乐夫面波群速度确定我国地壳厚度,地球物理学报,14, 1, 33——43, 1965.

    [10] 曾融生、宋子安,我国境内瑞雷波的相速度,地球物理学报,12, 2, 143——165, 1963.

    [11] 丁韫玉,SP',波与我国地壳厚度,地球物理学报,14, 3, 168——171, 1965.

    [12] 孙广忠、吕梦麟,地壳结构的轮廓和形成,地质科学,4, 331——340, 1964.

    [13] 刘正荣,用宏观方法测定震源深度的量板,地球物理学报,10, 2, 1961.

    [14] M. J. Randall, A revised travel time for S, Gecplays. J., R. Astr. Soc., 22, 229——334, 1971.

    [15] A. R.. Curbs and M. Shimshoni, The smoothing of seismological travel time tables using cubic spumes., Bull. Seism. Soc, 9rn., 60, 1077——1087, 1970.

    [16] K. E. Bullen, The Earth's Density, London, Chapman and Hall, 1975.

    [17] R .C. Agrawal, Travel times of P from deep——focus Indian eartliquakes, Pleys. Earth Plantet. Zest.,17, 232——248, 1978.

    [18] R .C. Agrawal. S times from deep——focus Indian earthquakes, Geophys, J. R. astr. Soc., 54,461——473, 1978.

    [19] M. A. Enayatollah, Travel times of P——waves for the Swedish——Finnish Seismograpli Network, Pur.&Appl. Geophys., 94, 101——135, 1972.

    [20] 国家地震局地球物理所编,新编地震走时表,地震出版社,1980年.

    [21] 国家地震局地球物理所九室编,震相便查表,地震出版社,1980年.
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