3D local earthquake hypocenter determination with an irregular shortest-path method

Bulletin of the Seismological Society of America

Volumn 96, Issue 6, 2006, Pages 2257-2268

  Bai, Chao Ying ^a   Greenhalgh, Stewart ^b  

^a CHANG'AN UNIVERSITY   (China)

^b UNIVERSITY OF ADELAIDE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

FINITE DIFFERENCE METHOD; INTERPOLATION; LEAST SQUARES APPROXIMATIONS; MATHEMATICAL MODELS; MATRIX ALGEBRA; RAY TRACING; SEISMOLOGY;

HYPOCENTRAL LOCATION; JACOBIAN MATRIX; SHORTEST-PATH METHOD;

EARTHQUAKES;

EARTHQUAKE HYPOCENTER; FINITE DIFFERENCE METHOD; LEAST SQUARES METHOD; RAY TRACING; THREE-DIMENSIONAL MODELING; TRAVEL TIME;

EID: 33846101950     PISSN: 00371106     EISSN: None     Source Type: Journal    
DOI: 10.1785/0120040178     Document Type: Article

References (35)

1. Aki, K., and W. H. K. Lee (1976). Determination of three-dimensional velocity anomalies under a seismic array using first P arrival times from local earthquakes: 1. A homogeneous initial model, J. Geophys. Res. 81, 4381-4399.
2. Bai, C.-Y. (2004). Three-dimensional seismic kinematic inversion with application to reconstruction of the velocity structure of Rabaul volcano, Ph.D. Thesis, Adelaide University.
3. Bai, C.-Y., and S. A. Greenhalgh (2005a). 3-D multi-step travel time tomography: imaging the local, deep velocity structure of Rabaul volcano, Papua New Guinea, Phys. Earth Planet. Interiors 151, 259-275.
4. Bai, C.-Y., and S. A. Greenhalgh (2005b). 3-D non-linear travel time tomography: imaging high contrast velocity anomalies, Pure App. Geophys. 162, 2029-2049.
5. Bai, C.-Y., and S. A. Greenhalgh (2006). 3-D relative arrival time tomography, J. Seism. (in press).
6. Bai, C.-Y., S. A. Greenhalgh, and B. Zhou (2006). 3-D ray tracing by an 'irregular' shortest-path method, Geophysics (in press).
7. Buland, R. (1976). The mechanics of locating earthquakes, Bull. Seism. Soc. Am. 66, 173-187.
8. Cao, S., and S. A. Greenhalgh (1993). Calculation of the seismic first-break time filed and its raypath distribution using a minimum traveltime tree algorithm, Geophys. J. Int. 114, 593-600.
9. Cao, S., and S. A. Greenhalgh (1994). Finite-difference solution of the eikonal equation using an efficient, first-arrival, wavefront tracking scheme, Geophysics 59, 632-643.
10. Červený, V., L. Klimeš, and I. Pšenčík (1988). Complete seismic-ray tracing in three-dimensional structures, in Seismological Algorithms, D. J. Doornbos (Editor), Academic Press, New York, 89-168.
11. Douglas, A. (1976). Joint epicentre determination, Nature 215, 45-48.
12. Gruber, T., and S. A. Greenhalgh (1998). Short note: precision analysis of first break times in grid models, Geophysics 63, 1062-1065.
13. Hirata, N., and M. Matsu'ura (1987). Maximum-likelihood estimation of hypocenter with origin time eliminated using a nonlinear inversion technique, Phys. Earth Planet. Interiors 47, 50-61.
14. Institute for Petroleum Research and Geophysics (IPRG) (1990). Event 16, Seismological Bulletin 8.
15. Klein, F. W. (1978). Hypocenter location program-HYPOINVERSE: user's guide to version 1, 2, 3 and 4, U.S. Geol. Surv. Open-File Rept. 78-694, 1-113.
16. Klein, F. W. (1989). User's guide to HYPOINVERSE, a program for VAX computers to solve for earthquake locations and magnitudes, U.S. Geol. Surv. Open-File Rept. 89-314, 44 pp.
17. Klimeš, L., and M. Kvasnička (1994). 3-D network ray tracing, Geophys. J. Int. 116, 726-738.
18. Lee, W. H. K., and J. C. Lahr (1975). HYPO71 (revised): a computer program for determining hypocenter, magnitude, and first-motion pattern of local earthquakes, U.S. Geol. Surv. Open-File Rept. 75-311, 1-116.
19. Lee, W. H. K., and S. Stewart (1981). Principles of Microearthquake Networks, Academic Press, New York.
20. Lienert, B. R., E. Berg, and L. N. Frazer (1986). Hypocenter: an earthquake location method using centered, scaled, and adaptively damped least squares, Bull. Seism. Soc. Am. 76, 771-783.
21. Moser, T. J. (1991), Shortest path calculation of seismic rays, Geophysics 56, 59-67.
22. Moser, T. J., G. Nolet, and R. Snieder (1992). Ray bending revisited, Bull. Seism. Soc. Am. 82, 259-288.
23. Moser, T. J., T. Van Eck, and G. Nolet (1992). Hypocenter determination in strongly heterogeneous earth models using the shortest path method, J. Geophys. Res. 97, 6563-6572.
24. Nelson, G. D., and J. E. Vidale (1990). Earthquake location by 3-D finite difference travel times, Bull. Seism. Soc. Am. 80, 395-410.
25. Pavlis, G., and J. R. Booker (1983). Progressive multiple event location (PMEL), Bull. Seism. Soc. Am. 73, 1753-1777.
26. Pavlis, G. L. (1986). Appraising earthquake hypocenter location errors: a complete, practical approach for single-event location, Bull. Seism. Soc. Am. 76, 1699-1717.
27. Podvin, P., and I. Lecomte (1991). Finite-difference computation of travel-times in very contrasted velocity models: a massively parallel approach and its associated tools, Geophys. J. Int. 105, 271-284.
28. Pujol, J. (1988). Comments on the joint determination of hypocenter and station corrections, Bull. Seism. Soc. Am. 78, 1179-1189.
29. Pujol, J. (2000). Joint event location - the JHD technique and applications to data from local seismic networks, in Advances in Seismic Event Location, C. Thurber and N. Rabinowitz (Editors), Kluwer Academic Publishers, Hingham, Massachusetts, 163-204.
30. Qin, F., Y. Luo, K. Olsen, W. Cai, and G. T. Schuster (1992). Finite-difference solution of the eikonal equation along expanding wavefronts, Geophysics 57, 478-487.
31. Tarantola, A., and B. Valette (1982). Inverse problem: quest for information, J. Geophys. 50, 159-170.
32. Thurber, C. H. (1985). Non-linear earthquake location: theory and examples, Bull. Seism. Soc. Am. 78, 2062-2076.
33. Vidale, J. E. (1988). Finite-difference calculation of travel times, Bull. Seism. Soc. Am. 78, 2062-2076.
34. Vidale, J. E. (1990). Finite-difference calculation of travel time in three dimensions, Geophysics 55, 521-526.
35. Zhou, B., C. Sinadinovski, and S. A. Greenhalgh (1992). Non-linear inversion travel time tomography: imaging high contrast inhomogeneities, Explor. Geophys. 23, 459-469.