Determination of mislocation vectors to evaluate bias at GSETT-3 primary stations

Journal of Seismology

Volumn 3, Issue 2, 1999, Pages 139-151

  Koch, Karl ^a   Kradolfer, Urs ^b  

^a FEDERAL INSTITUTE FOR GEOSCIENCES AND NATURAL RESOURCES BGR   (Germany)

^b ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001191197     PISSN: 13834649     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1009823825899     Document Type: Article

References (24)

1. Berteussen, K. A., 1976, The origin of slowness and azimuth anomalies at large arrays, Bull. Seism. Soc. Am. 66, 719-741.
2. Bondar, I., 1997, Slowness-azimuth station corrections (SASC) for teleseismic phases at the IMS network, Technical Report CMR-97/25, Arlington, VA.
3. Bratt, S. R. and Bache, T. C., 1988, Locating events with a sparse network of regional arrays, Bull. Seism. Soc. Am. 78, 780-798.
4. Briden, J. C., Mereu, R. F. and Whitcombe, D. N., 1982, A teleseismic study of the West African craton margin in Senegal: P-wave slowness and azimuth anomalies, Geophys. J. R. Astron. Soc. 71, 793-808.
5. Buchbinder, G. G. R., 1987, P-wave deflection or off-azimuth arrivals in the Charlevoix seismic zone, Bull. Seism. Soc. Am. 77, 2152-2162.
6. Davies, D. and Sheppard, R. M., 1972, Lateral heterogeneity in the Earth's mantle, Nature 239, 318-323.
7. Firbas, P., Peshkov, A. B. and Ryaboy, V., 1997, From IASP-91 global model to a 3-D model for CTBT monitoring: description of the first steps towards the calibration of the global CTBT net-work. In: Fuchs, K. (ed.), Upper Mantle Heterogeneities from Active and Passive Seismology, Kluwer Academic Publishers, pp. 199-214.
8. Granet, M., 1986, A teleseismic study of the Upper Rhinegraben area: array mislocation diagram and 3-D velocity inversion, J. Geophys. Res. 59, 119-128.
9. Harjes, H.-P., Jost, M. and Schweitzer, J., 1994, Preliminary calibration of candidate alpha stations in the GSETT-3 network, Ann. di Geof. 37, 383-396.
10. Harris, D. B., 1990, Comparison of the direction estimation performance of high-frequency seismic arrays and three-component stations, Bull. Seism. Soc. Am. 80, 1951-1968.
11. Kennett, B. L. N. and Engdahl, E. R., 1991, Travel times for global earthquake location and phase identification, Geophys. J. Int. 105,429-466.
12. Koch, K. and Kradolfer, U., 1997a, Investigation of azimuth residuals observed at stations of the GSETT-3 Alpha network, Bull. Seism. Soc. Am. 87, 1576-1597.
13. Koch, K. and Kradolfer, U., 1997b, Calibration studies for GSETT-3 Alpha stations (abstract), Seism. Res. Lett. 68, 307.
14. Krüger, F. and Weber, M., 1992, The effect of low-velocity sediments on the mislocation vectors of the GRF array, Geophys. J. Int. 108, 387-393.
15. Lin, C-H. and Roecker, S. W., 1996, P-wave backazimuth anomalies observed by a small-aperture seismic array at Pinyon Flat, Southern California: implication for structure and source location, Bull. Seism. Soc. Am. 86, 470-476.
16. Niazi, M., 1966, Corrections to apparent azimuths and travel-time gradients for a dipping Mohorovicic discontinuity, Bull. Seism. Soc. Am. 56, 491-509.
17. Otsuka, M., 1966, Azimuth and slowness anomalies of seismic waves measured on the Central California seismographic array. Part II. Interpretation, Bull. Seism. Soc. Am. 66, 655-675.
18. Schweitzer, J., 1994, Mislocation vectors for small aperture arrays - a first step towards calibrating GSETT-3 stations, NORSAR Sci.Rep. 1-94/95, NORSAR, Kjeller, Norway.
19. Schweitzer, J., 1995, An assessment of the estimated mean mislocation vectors for small-aperture arrays, NORSAR Sci.Rep. 1-95/96, NORSAR, Kjeller, Norway.
20. Steck, L. K. and Prothero, W. A., 1993, Observations of direct Pwave slowness and azimuth anomalies for teleseisms recorded in Long Valley caldera, California, Bull. Seism. Soc. Am. 83, 1391-1419.
21. Tibuleac, I. and Herrin, E., 1997, Calibration studies at TXAR, Seism. Res. Lett. 68, 353-365.
22. Vermeulen, J. M. and Doornbos, D. J., 1977, Mantle heterogeneity and mislocation patterns for seismic networks, J. Geophys. 43, 545-559.
23. Walck, M. C. and Chael, E. P., 1991, Optimal backazimuth estimation for three-component recording of regional seismic events, Bull. Seism. Soc. Am. 81, 643-666.
24. Weichert, D. H., 1972, Anomalous azimuths of P: evidence for lateral variations in the deep mantle, Earth Planet. Sci. Lett. 17, 181-188.