A three-dimensional P wave velocity model for the Charlevoix seismic zone, Quebec, Canada

Journal of Geophysical Research: Solid Earth

Volumn 108, Issue 9, 2003, Pages

  Vlahovic, Gordana ^a   Powell, Christine ^b   Lamontagne, Maurice ^c  

^a NORTH CAROLINA CENTRAL UNIVERSITY   (United States)

^b UNIVERSITY OF MEMPHIS   (United States)

^c GEOLOGICAL SURVEY OF CANADA   (Canada)

Author keywords

Charlevoix; Intraplate seismic zone; Tomography; Velocity model

Indexed keywords

EARTHQUAKE; INTRAPLATE PROCESS; P-WAVE; SEISMIC TOMOGRAPHY; SEISMIC VELOCITY; SEISMIC ZONE; VELOCITY STRUCTURE;

CANADA; QUEBEC; ST.LAWRENCE RIVER;

EID: 0347530083     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (36)

1. Anglin, F. M., Seismicity and faulting in the Charlevoix zone of the St. Lawrence Valley, Bull. Seismol. Soc. Am., 71, 1553-1560, 1981.
2. Anglin, F. M., and G. G. R. Buchbinder, Microseismicity in the mid-St. Lawrence Valley Charlevoix Zone, Québec, Bull. Seismol. Soc. Am., 71, 1553-1560, 1981b.
3. Anglin, F. M., R. J. Wetmiller, R. B. Horner, G. C. Rogers, and J. A. Drysdale, Seismicity map of Canada, in Canadian Geophysical Atlas, Map 15, scale 1:10,000,000, Geol. Surv. of Can., Ottawa, 1990.
4. Bent, A. L., A re-examination of the 1925 Charlevoix, Québec, earthquake, Bull. Seismol. Soc. Am., 82, 2097-2113, 1992.
5. Benz, H. M., B. A. Chouet, P. B. Dawson, J. C. Lahr, R. A. Page, and J. A. Hole, Three-dimensional P and S wave velocity structure of Redoubt Volcano, Alaska, J. Geophys. Res., 101, 8111-8128, 1996.
6. Buchbinder, G. G. R., Shear-wave splitting and anisotropy in the Charlevoix seismic zone, Québec, Geophys. Res. Lett., 12, 425-428, 1985.
7. Buchbinder, G. G. R., Shear-wave splitting and anisotropy in the Charlevoix seismic zone, Québec, in 1985, Can. J. Earth Sci., 26, 2691-2696, 1989.
8. Buchbinder, G. G. R., A. Lambert, R. D. Kurtz, D. R. Bower, F. M. Anglin, and J. Peters, Twelve years of geophysical research in the Charlevoix seismic zone, Tectonophysics, 156, 193-224, 1988.
9. Cassidy, J. F., A comparison of the receiver structure beneath stations of the Canadian National Seismograph Network, Can. J. Earth Sci., 32, 938-951, 1995.
10. Christensen, N. I., and W. D. Mooney, Seismic velocity structure and composition of the continental crust: A global view, J. Geophys. Res., 100, 9761-9788, 1995.
11. Hearty, D. J., R. F. Mereu, and C. Wright, Lateral variations in upper crustal structure below La Malbaie area from slowness, azimuth, and travel time measurements of teleseisms, Can. J. Earth Sci., 14, 2284-2293, 1977.
12. James, T. S., and A. L. Bent, A comparison of eastern North American seismic strain-rates to glacial rebound strain-rates, Geophys. Res. Lett., 21, 2127-2130, 1994.
13. Johnston, A. C., Seismotectonic interpretations and conclusions from the stable continental region seismicity database, in The Earthquakes of Stable Continental Regions: Assessment of Large Earthquake Potential, edited by J. F. Schneider, EPRI Rep. TR-102261, pp. 4-1-4-103, Electr. Power Res. Inst., Palo Alto, Calif., 1994.
14. Johnston, A., and L. R. Kantor, Earthquakes in stable continental crust, Sci. Am., 262, 68-75, 1990.
15. Lamontagne, M., New and revised earthquakes focal mechanisms of the Charlevoix seismic zone, Canada, Geol. Surv. Can. Open File Rep., 3556, 302 pp., 1998.
16. Lamontagne, M., Rheological and geological constraints on the earthquake distribution in the Charlevoix seismic zone. Québec, Canada, Ph.D. dissertation. 363 pp., Carleton Univ., Ottawa, Ontario, Canada, 1999.
17. Lamontagne, M., and G. Ranalli, Faults and spatial clustering of earthquakes near la Malbaie, Charlevoix Seismic Zone, Canada, Seismol. Res. Lett., 68, 337-352, 1997a.
18. Lamontagne, M., P. Keating, and T. Toutin, Complex faulting confounds earthquake research in the Charlevoix seismic zone Québec, Eos Trans. AGU, 81(26), 289, 292-293, 2000.
19. Lamontagne, M., R. J. Wetmiller, and I. Asudeh, The 1996 summer Charlevoix field survey: Data acquisition and processing, Geol. Surv. Can. Open File Rep., 3453, 104 pp., 1997.
20. Leblanc, G., and G. G. R. Buchbinder, Second micro-earthquake survey of the St. Lawrence Valley near La Malbaie, Québec, Can. J. Earth Sci., 14, 2778-2789, 1977.
21. Leblanc, G., A. E. Stevens, R. J. Wetmiller, and R. Du Berger, A micro-earthquake survey of the St. Lawrence Valley near La Malbaie Québec, Can. J. Earth Sci., 10, 42-53, 1973.
22. Lees, J. M., and R. S. Crosson, Tomographic inversion for the three-dimensional velocity structure at Mount St. Helens using earthquake data, J. Geophys. Res., 94, 5716-5728, 1989.
23. Lees, J. M., and P. E. Malin, Tomographic images of P wave velocity variations at Parkfield, California, J. Geophys. Res., 95, 21,793-21,804, 2000.
24. Lyons, J. A., D. A. Forsyth, and J. A. Mair, Crustal studies in the La Malbaie Region, Québec, Can. J. Earth Sci., 17, 478-490, 1980.
25. Michael, A. J., and D. Eberhart-Phillips, Relations among fault behavior, subsurface geology, and three-dimensional velocity models, Science, 253, 651-654, 1991.
26. Podvin, P., and I. Lecomte, 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, 1991.
27. Rondot J., La structure de Charlevoix comparée à d'autres impacts météoritiques, Can. J. Earth Sci., 7, 291-292, 1970.
28. Rondot, J., Reconnaissances geologiques dans Charlevoix-Saguenay, Rapp. DPV-682, 46 pp., Minist. des Richesses Nat., Quebec, 1979.
29. Vlahovic, G., and C. A. Powell, Three-dimensional S wave velocity structure and Vp/Vs ratios in the New Madrid seismic zone, J. Geophys. Res., 106, 13,501-13,514, 2001.
30. Vlahovic, G., C. A. Powell, M. S. Sibol, and M. C. Chapman, Joint hypo-center-velocity inversion for the eastern Tennessee seismic zone, J. Geophys. Res., 103, 4879-4896, 1998.
31. Vlahovic, G., C. A. Powell, and J. M. Chiu, Three-dimensional P wave velocity structure in the New Madrid seismic zone, J. Geophys. Res., 105, 7999-8012, 2000.
32. Wheeler, R. L., Earthquakes and the cratonward limit of Iapetan faulting in eastern North America, Geology, 23, 105-108, 1995.
33. Wheeler, R. L., Earthquakes and the southeastern boundary of the intact lapetan margin in eastern North America, Seismol. Res. Lett., 67, 77-83, 1996.
34. Wu, P., Effect of viscosity structure on fault potential and stress orientations in eastern Canada, Geophys. J. Int., 130, 365-382, 1997.
35. Wu, P., and H. S. Hasegawa, Induced stresses and fault potential in eastern Canada due to realistic load: A preliminary analysis, Geophys. J. Int., 127, 215-229, 1996.
36. Zoback, M. D., R. Apel, J. Baumgaertner, M. Brudy, R. Emmermann, B. Engeser, K. Fuchs, W. Kessels, H. Rischmueller, F. Rummel, and L. Vernik, Strength of continental crust and the transmission of plate-driving forces: Implications of in situ stress measurements in the KTB scientific borehole, Germany, Nature, 365, 633-635, 1993.