A simple algorithm for sequentially incorporating gravity observations in seismic traveltime tomography

International Geology Review

Volumn 43, Issue 12, 2001, Pages 1073-1086

  Parsons, Tom ^a   Blakely, Richard J ^a   Brocher, Thomas M ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHM; DATA INVERSION; GRAVITY ANOMALY; SEISMIC TOMOGRAPHY; TRAVEL TIME;

EID: 0035739623     PISSN: 00206814     EISSN: 19382839     Source Type: Journal    
DOI: 10.1080/00206810109465061     Document Type: Article

References (29)

1. Achauer, U., 1992. A study of the Kenya rift using delay-time tomography analysis and gravity modeling. Tectonophysics, 209:197–207.
2. Atwater, B. F., and Moore, A. L., 1992. A tsunami about 1000 years ago in Puget Sound, Washington. Science, 258:1614–1617.
3. Blakely, R. J., 1995. Potential theory in gravity and magnetic applications, 441Cambridge, UK:Cambridge University Press.
4. Brocher, T. M., and Ruebel, A. L., 1998. Compilation of 29 sonic and density logs from 23 oil test wells in western Washington state. U.S. Geological Survey Open File Report, 98-249:41
5. Brocher, T. M., 1999. Wide-angle seismic recordings from the 1998 Seismic Hazards Investigation of Puget Sound (SHIPS), western Washington and British Columbia. U.S. Geological Survey Open File Report, 99-314:110
6. Brocher, T. M., Parsons, T., Blakely, R. J., Christensen, N. I., Fisher, M. A., and Wells, R. E., 2001. Upper crustal structure in Puget Lowland, Washington:Results from the 1998 seismic hazards investigation in Puget Sound. Journal of Geophysical Research, 106:13541–13564.
7. Bucknam, R. C., Hemphill-Haley, E., and Leopold, E. B., 1992. Abrupt uplift within the past 1700 years at southern Puget Sound, Washington. Science, 258:1611–1614.
8. Fisher, M. A., Brocher, T. M., Hyndman, R. D., Trehu, A. M., Weaver, C. S., Creager, K. C., Crosson, R. S., Parsons, T., Cooper, A. K., Mosher, D., Spence, G., Zelt, B. C., Hammer, P. T., ten Brink, U., Pratt, T. L., Miller, K. C., Childs, J. R., Cochrane, G. R., Chopra, S., and Wailia, R., 1999. Seismic survey probes urban earthquake hazards in Pacific Northwest. EOS, 80:13–17. Transactions of the American Geophysical Union
9. Gardner, G. H. F., Gardner, L. W., and Gregory, A. R., 1974. Formation velocity and density:The diagnostic basis for stratigraphic traps. Geophysics, 39:770–780.
10. Golizdra, G. Y., 1980. Statement of the problem of comprehensive interpretation of gravity fields and seismic observations. Physics of the Solid Earth, 16:535–539.
11. Gower, H. D., Yount, J. C., and Crosson, R. S., 1985. Seismotectonic map of the Puget Sound region, Washington:U.S. Geological Survey Miscellaneous Investigations. Series Map I 1613 scale 1250000
12. Hammer, P. T. C., 1991. Seamount structure from seismic tomography and gravity inversion, 174Vancouver, Canada:University of British Columbia. Unpubl. Ph.D. thesis
13. Hole, J. A., 1992. Nonlinear high-resolution three-dimensional seismic travel time tomography. Journal of Geophysical Research, 97:6553–6562.
14. Hole, J. A., and Zelt, B. C., 1995. 3-D finite-difference reflection traveltimes. Geophysical Journal International, 121:427-134
15. Iyer, H. M., and Hirahara, K., 1993. Seismic tomography theory and practice, 842London:Chapman and Hall.
16. Humphreys, E., and Clayton, R. W., 1988. Adaptation of back projection tomography to seismic travel time problems. Journal of Geophysical Research, 93:1073–1085.
17. Johnson, S. Y., Dadisman, S. V., Childs, J. R., and Stanley, W. D., 1999. Active tectonics of the Seattle fault and central Puget Sound, Washington–implications for earthquake hazards. Geological Society of America Bulletin, 111:1042–1053.
18. Johnson, S. Y., Potter, C. J., and Armentrout, J. M., 1994. Origin and evolution of the Seattle fault and Seattle basin, Washington. Geology, 22:71–74.
19. Johnson, S. Y., Potter, C. J., Armentrout, J. M., Miller, J. J., Finn, C., and Weaver, C. S., 1996. The southern Whidbey Island fault, western Washington–an active structure in the Puget Lowland, Washington. Geological Society of America Bulletin, 108:334–354.
20. Langenheim, V. E., and Hauksson, E., 2001. Comparison between crustal density and velocity variations in southern California. Geophysical Research Letters, 28:3087–3090.
21. Lees, J. M., and VanDecar, J. C., 1991. Seismic tomography constrained by Bouguer gravity anomalies:Applications in western Washington. Pure and Applied Geophysics, 135:31–52.
22. Lines, L. R., Schultz, A. K., and Treitel, S., 1988. Cooperative inversion of geophysical data. Geophysics, 53:8–20.
23. Luetgert, J. H., 1992. MacRay-Interactive two-dimensional seismic raytracing for the Macintosh. U. S. Geological Survey Open File Report, 92-356
24. Masson, F., Achauer, U., and Wittlinger, G., 1998. Joint analysis of P-traveltimes teleseismic tomography and gravity modeling for northern Tibet. Journal of Geodynamics, 26:85–109.
25. Oppenheimer, D. H., and Herkenhoff, K. E., 1981. Velocity-density properties of the lithosphere from three-dimensional modeling at The Geysers-Clear Lake region, California. Journal of Geophysical Research, 86:6057–6065.
26. Parsons, T., Wells, R. E., Flueh, E., ten Brink, U. S., and Fisher, M. A., 1999. Three-dimensional velocity structure of Siletzia and other accreted terranes in the Cascadia forearc of Washington. Journal of Geophysical Research, 104:18, 015–18, 039.
27. Shaw, P. R., and Orcutt, J. A., 1986. Waveform inversion of seismic refraction data and applications to young Pacific crust. Geophysical Journal of the Royal Astronomical Society, 82:375–414.
28. Tabor, R. W., and Cady, W. M., 1978. The structure of the Olympic Mountains, Washington–analysis of a subduction zone. U. S. Geological Survey Professional Paper, 1033:38
29. Vidale, J. E., 1990. Finite-difference calculation of travel-times in three dimensions. Geophysics, 55:521–526.