Bias in reported seismic arrival times deduced from the ISC Bulletin

Geophysical Journal International

Volumn 137, Issue 1, 1999, Pages 163-174

  Rohm A H E ^a   Trampert, J ^a   Paulssen, H ^a   Snieder, R K ^a  

^a UTRECHT UNIVERSITY   (Netherlands)

Author keywords

ISC; P waves; S waves; Seismic station; Traveltime

Indexed keywords

ARRIVAL TIME; SEISMIC WAVE; TRAVEL TIME;

EID: 0345712408     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-246X.1999.00774.x     Document Type: Article

References (29)

1. Adams, R.D., 1985. Seismicity of Western Europe as determined from ISC data files, in Seismic Activity in Western Europe with Particular Consideration to the Liège Earthquake of November 8, 1998, pp. 57-69, ed. Melchior, P., NATO AST Series, D. Reidel, Dordrecht.
2. Bijwaard, H., Spakman, W. & Engdahl, E.R., 1999. Closing the gap between regional and global travel time tomography, J. geophys. Res., 103, 30055-30078.
3. Bolt, B.A. & Nuttli, O.W., 1966. P wave residuals as a function of azimuth, J. geophys. Res., 71, 5977-5985.
4. Burton, P.W., McGonigle, R., Makropoulos, K.C. & Ucer, S.B., 1984. Seismic risk in Turkey, the Aegean and the eastern Mediterranean; the occurrence of large magnitude earthquakes, Geophys. J. R. astr. Soc., 78, 475-506.
5. Cleary, J. & Hales, A.L., 1966. An analysis of the travel times of P waves to North American stations, in the distance range 32° to 100°, Bull, seism. Soc. Am., 56, 467-489.
6. Davies, J.H., Gudmundsson, O. & Clayton, R.W., 1992. Spectra of mantle shear wave velocity structure, Geophys. J. Int., 108, 865-882.
7. Douglas, A., Bowers, D. & Young, J.B., 1997. On the onset of P seismograms, Geophys. J. Int., 129, 681-690.
8. Dziewonski, A.M. & Anderson, D.L., 1983. Travel times and station corrections for P waves at teleseismic distances, J. geophys. Res., 88, 3295-3314.
9. Engdahl, E.R., van der Hilst, R.D. & Buland, R.P., 1998. Global teleseismic earthquake relocation with improved travel times and procedures for depth determination. Bull, seism. Soc. Am., 88, 722-743.
10. Grand, S.P., 1990. A possible station bias in travel time measurements reported to ISC, Geophys. Res. Lett., 17, 17-20.
11. Gudmundsson, O., Davies, J.H. & Clayton, R.W., 1990. Stochastic analysis of global traveltime data: mantle heterogeneity and random errors in the ISC data, Geophys. J. Int., 102, 25-13.
12. Herrin, E. & Taggart, J., 1968. Regional variation in P travel times, Bull, seism. Soc. Am., 58, 1325-1337.
13. Kato, M. & Hirahara, K., 1991. Precursory arrivals to PP, Geophys. J. Int., 106, 551-557.
14. Kennett, B.L.N., Engdahl, E.R. & Buland, R., 1995. Constraints on seismic velocities in the Earth from traveltimes, Geophys. J. Int., 122, 108-124.
15. Krishna, V.G. & Kaila, K.L., 1987. Seismological study of the elevation of phase boundaries within the subducting lithospheric slabs, Tectonophysics, 134, 201-213.
16. Lilwall, R.C. & Douglas, A., 1970. Estimation of P-wave travel times using the joint epicentre method, Geophys. J. R. astr. Soc., 19, 165-181.
17. Morelli, A., Dziewonski, A.M. & Woodhouse, J.H., 1986. Anisotropy of the inner core inferred from PKIKP travel times, Geophys. Res. Lett., 13, 1545-1548.
18. Obayashi, M. & Fukao, Y., 1997. P and PcP travel time tomography for the core-mantle boundary, J. geophys. Res., 102, 17825-17841.
19. 1 norms of International Seismological Centre travel time residuals, J. geophys. Res., 98, 699-734.
20. Rice, J.A., 1995. Mathematical Statistics and Data Analysis, 2nd edn, Duxbury Press, Belmont.
21. Robertson, G.S. & Woodhouse, J.H., 1996. Ratio of relative S to P velocity heterogeneity in the lower mantle, J. geophys. Res., 101, 20041-20052.
22. Rodgers, A. & Wahr, J., 1993. Inference of core-mantle boundary topography from ISC PcP and PKP traveltimes, Geophys. J. Int., 115, 991-1011.
23. Shearer, P.M., Toy, K.M. & Orcutt, J.A. 1988. Axi-symmetric Earth models and inner-core anisotropy, Nature, 333, 228-232.
24. Su, W.-J. & Dziewonski, A.M., 1995. Inner core anisotropy in three dimensions, J. geophys. Res., 100, 9831-9852.
25. Su, W.-J. & Dziewonski, A.M., 1997. Simultaneous inversion for 3-D variations in shear and bulk velocity in the mantle, Phys. Earth planet. Inter., 100, 135-156.
26. Su, W.-J., Dziewonski, A.M. & Jeanloz, R., 1996. Planet within a planet: rotation of the inner core of Earth, Science, 274, 1883-1887.
27. Sylvander, M., Ponce, B. & Souriau, A., 1997. Seismic velocities at the core-mantle boundary inferred from P waves diffracted around the core, Phys. Earth planet. Inter., 101, 189-202.
28. van der Hilst, R.D., Widiyantoro, S. & Engdahl, E.R., 1997. Evidence for deep mantle circulation from global tomography, Nature, 386, 578-584.
29. Vasco, D.W. & Johnson, L.R., 1998. Whole Earth structure estimated from seismic arrival times, J. geophys. Res., 103, 2633-2671.