Improved location procedures at the International Seismological Centre

Geophysical Journal International

Volumn 186, Issue 3, 2011, Pages 1220-1244

  Bondár, István ^a   Storchak, Dmitry ^a  

^a INTERNATIONAL SEISMOLOGICAL CENTRE   (United Kingdom)

Author keywords

Computational seismology; Theoretical seismology

Indexed keywords

COMPUTATIONAL SEISMOLOGY; DEPTH DETERMINATION; DEPTH RESOLUTION; ERROR STRUCTURES; EVENT LOCATION; GROUND TRUTH; LOCATION ALGORITHMS; LOCATION UNCERTAINTY; NETWORK GEOMETRY; NON PROFIT ORGANIZATIONS; PREDICTION ERRORS; RAY PATHS; REFERENCE EVENTS; SEISMIC STATION; THEORETICAL SEISMOLOGY; TRAVEL TIME; UNCERTAINTY ESTIMATES; VALIDATION TEST;

CLUSTERING ALGORITHMS; PROFITABILITY; SEISMOLOGY; UNCERTAINTY ANALYSIS;

LOCATION;

ALGORITHM; CORRELATION; ERROR ANALYSIS; HETEROGENEITY; NONGOVERNMENTAL ORGANIZATION; NONPROFIT ORGANIZATION; SEISMICITY; SEISMOLOGY;

EID: 80051792954     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2011.05107.x     Document Type: Article

References (50)

1. Adams, R.D., Hughes, A.A. & Gregor, D.M., 1982. Analysis procedures at the International Data Centre, Phys. Earth planet. Int., 30, 85-92.
2. Amante, C. & Eakins, B.W., 2009. ETOPO1 1 arc-minute global relief model: procedures, data sources and analysis, NOAA Technical Memorandum NESDIS NGDC-24.
3. Anderson, K.R., 1982. Robust earthquake location using M estimates, Phys. Earth planet. Int., 30, 119-130.
4. Bassin, C., Laske, G. & Masters, G., 2000. The current limits of resolution for surface wave tomography in North America, EOS, Trans. Am. geophys. Un., 81, F897.
5. Bolt, B.A., 1960. The revision of earthquake epicentres, focal depths and origin time using a high-speed computer, Geophys. J. R. astr. Soc., 3, 434-440.
6. Bolton, M.K., Storchak, D.A. & Harris, J., 2006. Updating default depth in the ISC bulletin, Phys. Earth planet. Inter., 158, 27-45.
7. Bondár, I. & McLaughlin, K., 2009a. Seismic location bias and uncertainty in the presence of correlated and non-Gaussian travel-time errors, Bull. seism. Soc. Am., 99, 172-193.
8. Bondár, I. & McLaughlin, K., 2009b. A new ground truth data set for seismic studies, Seism. Res. Lett., 80, 465-472.
9. Bormann, P., Liu, R., Xu, Z., Ren, K., Zhang, L. & Wendt, S. 2009. First application of the new IASPEI teleseismic magnitude standards to data of the China National Seismographic Network, Bull. seism. Soc. Am., 99, 1868-1891.
10. Buland, R. & Chapman, C.H., 1983. The computation of seismic travel times, Bull. seism. Soc. Am., 73, 1271-1302.
11. Buland, R., 1986. Uniform reduction error analysis, Bull. seism. Soc. Am., 76, 217-230,.
12. Chang, A.C., Shumway, R.H., Blandford, R.R. & Barker, B.W., 1983. Two methods to improve location estimates-preliminary results, Bull. seism. Soc. Am., 73, 281-295.
13. Dziewonski, A.M. & Anderson, D.L., 1981. Preliminary reference earth model, Phys. Earth planet. Inter., 25, 297-356.
14. Dziewonski, A.M. & Gilbert, F., 1976. The effect of small, aspherical perturbations on travel times and a re-examination of the correction for ellipticity, Geophys. J. R. astr. Soc., 44, 7-17.
15. Engdahl, E.R., van der Hilst, R. & Buland, R., 1998. Global teleseismic earthquake relocation with improved travel times and procedures for depth determination, Bull. seism. Soc. Am., 88, 722-743.
16. Evernden, J., 1969. Precision of epicenters obtained by small numbers of world-wide stations, Bull. seism. Soc. Am., 59, 1365-1398.
17. Flanagan, M.P., Myers, S.C. & Koper, K.D., 2007. Regional travel-time uncertainty and seismic location improvement using a three-dimensional a priori velocity model, Bull. seism. Soc. Am., 97, 804-825.
18. Gutenberg, B. & Richter, C.F., 1956. Magnitude and energy of earthquakes, Ann. Geof., 9, 1-15.
19. Hicks, E.C., Kvaerna, T., Mykkeltveit, S., Schweitzer, J. & Ringdal, F., 2004. Travel-times and attenuation relations for regional phases in the Barents Sea region, Pure appl. Geophys., 161, 1-19.
20. de Hoon, M. J. L., Imoto, S., Nolan, J. & Miyano, S., 2004. Open source clustering software, Bioinformatics, 20, 1453-1454.
21. Jeffreys, H., 1932. An alternative to the rejection of observations, Proc. Roy. Soc. Lond., 187, 78-87.
22. Jeffreys, H. & Bullen, K.E., 1940. Seismological Tables, British Association for the Advancement of Science, Gray-Milne Trust, London.
23. Jordan, T.H. & Sverdrup, K.A., 1981. Teleseismic location techniques and their application to earthquake clusters in the South-central Pacific, Bull. seism. Soc. Am., 71, 1105-1130.
24. Kennett, B.L.N., 2006. Non-linear methods for event location in a global context, Phys. Earth planet. Int., 158, 45-64.
25. Kennett, B.L.N. & Gudmundsson, O., 1996. Ellipticity corrections for seismic phases, Geophys. J. Int., 127, 40-48.
26. 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.
27. Kremenetskaya, E., Asming, V. & Ringdal, F., 2001. Seismic location calibration of the European Arctic, Pure appl. Geophys., 158, 117-128.
28. Levshin, A.L., Schweitzer, J., Weidle, C., Shapiro, N.M. & Ritzwoller, M.H., 2007. Surface wave tomography of the Barents Sea and surrounding regions, Geophys. J. Int., 170, 441-459.
29. Morozov, I.B., Morozova, E.A., Smithson, S.B., Richards, P.G., Khalturin, V.I. & Solodilov, L.N., 2005. 3D first-arrival regional calibration model of Northern Eurasia, Bull. seism. Soc. Am., 95, 951-964.
30. Murphy, J.R. & Barker, B.W., 2006. Improved focal-depth determination through automated identification of the seismic depth phases pP and sP, Bull. seism. Soc. Am., 96, 1213-1229.
31. Murphy, J.R., et al., 2005. Calibration of International Monitoring System (IMS) stations in Eastern Asia for improved seismic event location, Bull. seism. Soc. Am., 95, 1535-1560.
32. Myers, S.C. & Schultz, C.A., 2000. Improving sparse network seismic location with Bayesian kriging and teleseismically constrained calibration events, Bull. seism. Soc. Am., 90, 199-211.
33. Myers, S.C., et al., 2010. A crust and upper mantle model for Eurasia and North Africa for Pn travel-time calculation, Bull. seism. Soc. Am., 100, 640-656.
34. Nicholson T., Sambridge, M., & Gudmundsson, O., 2000. On entropy and clustering in earthquake hypocenter distributions, Geophys. J. Int., 142, 37-51.
35. Reiter, D., Rodi, W., & Johnson, M., 2005. Development of a tomographic upper-mantle velocity model beneath Pakistan and Northern India, Bull. seism. Soc. Am., 95, 926-940.
36. Ritzwoller, M.H., Shapiro, N.M., Levshin, E.A., Bergman, E.A., & Engdahl, E.R., 2003. Ability of a global three-dimensional model to locate regional events, J. geophys. Res., 108(B7), 2353, doi:.
37. Sambridge, M., 1999. Geophysical inversion with a neighbourhood algorithm. I. Searching the parameter space, Geophys. J. Int., 138, 479-494.
38. Sambridge, M. & Kennett, B.L.N., 2001. Seismic event location: non-linear inversion using a neighbourhood algorithm, Pure appl. Geophys., 158, 241-257.
39. Schweitzer, J. & Storchak, D.A., 2006. Modernizing the ISC location procedures, Editorial, Phys. Earth planet. Inter., 158, 1-3.
40. Shewchuk, J.R., 1996. Engineering a 2D quality mesh generator and Delaunay triangulator, First Workshop on Computational Geometry, Philadelphia, ACM, pp. 124-133.
41. Storchak, D.A., Chen, Q.F., Willemann, R.J., & Andrianirina, M., 2000. Improved locations for moderately large earthquakes using regional S and PKP. EOS, Trans. Am. geophys. Un., 81(48), S71C-01.
42. Storchak, D.A., Schweitzer, J., & Bormann, P., 2003. The IASPEI standard seismic phase list, Seism. Res. Lett., 74, 761-772.
43. Vanek, J., Zatopek, A., Karnik, V., Kondorskaya, N.V., Riznichenko, Y.V., Savarensky, Y.F., Solovev, S.L. & Shebalin, N.V., 1962. Standardization of magnitude scales, Bull. (Izvest.) Acad. Sci. USSR, Geophys. Ser., 2, 108-111.
44. Villaseñor, A. & Engdahl, E.R., 2005. A digital hypocenter catalog for the International Seismological Summary, Seism. Res. Lett., 76, 554-559.
45. Villaseñor, A. & Engdahl, E.R., 2007. Systematic relocation of early instrumental seismicity: earthquakes in the International Seismological Summary for 1960-1963, Bull. seism. Soc. Am., 97, 1820-1832.
46. Wessel, P. & Smith, W. H. F., 1991. Free software helps map and display data, EOS, Trans. Am. geophys. Un., 72, 441.
47. Willemann, R.J. & Storchak, D.A., 2001. Data collection at the International Seismological Centre, Seism. Res. Lett., 72, 440-453.
48. Yang, X., et al., 2004. Validation of regional and teleseismic travel-time models by relocating GT events, Bull. seism. Soc. Am., 94, 897-919.
49. Young, J.B., Presgrave, B.W., Aichele, H., Wiens, D.A. & Flinn, E.A., 1996. The Flinn-Engdahl regionalization scheme: the 1995 revision, Phys. Earth planet. Int., 96, 223-297.
50. Zucca, J.J., et al., 2009. The prospect of using three-dimensional Earth models to improve nuclear explosion monitoring and ground-motion hazard assessment, Seism. Res. Lett., 80, 31-39.