Near-ridge intraplate earthquakes in the Indian Ocean

Marine Geology

Volumn 147, Issue 1-4, 1998, Pages 109-122

  Radha Krishna, M ^a   Verma, R K ^b   Arora, S K ^c  

^a Department of Physics   (India)

^b UNIVERSITY OF DELHI   (India)

^c BHABHA ATOMIC RESEARCH CENTRE   (India)

Author keywords

Indian Ocean; Moment release; Near ridge seismicity; Source mechanisms; Stress distribution

Indexed keywords

INTRAPLATE EARTHQUAKE; MID OCEAN RIDGE;

INDIAN OCEAN;

EID: 0032076319     PISSN: 00253227     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0025-3227(98)00005-X     Document Type: Article

References (35)

1. Bergman, E.A., 1986. Intraplate earthquakes and the state of stress in Oceanic lithosphere. Tectonophysics 132, 1-35.
2. Bergman, E.A., Solomon, S.C., 1980. Intraplate earthquakes: implications for local and regional intraplate stress. J. Geophys. Res. 85, 5389-5410.
3. Bergman, E.A., Solomon, S.C., 1984. Source mechanisms of earthquakes near mid-Ocean ridges from body waveform inversion: implications for the early evolution of oceanic lithosphere. J. Geophys. Res. 89, 11415-11441.
4. Bergman, E.A., Nabelek, J.L., Solomon, S.C., 1984. An extensive region of Olf-ridge normal faulting earthquakes in the southern Indian Ocean. J. Geophys. Res. 89, 2425-2443.
5. Cleotingh, S., Wortel, R. 1986. Stress in the Indo-Australian plate. In: Johnson, B., Bally, A.W. (Eds.), Intraplate Deformation: Characteristics, Processes and Causes. Tectonophysics 132, 49-67.
6. Cochran, J.R., Stow, R.A.V. et al., 1988. Intraplate deformation and Bengal Fan sedimentation: background and objectives. Poc. Ocean Drilling Proj. Init. Rep. 116, 3-11.
7. DeMets, C., Gordon, R.G., Argus, D.F., Stein, S., 1990. Current plate motions. Geophys. J. Int. 101, 425-478.
8. DeMets, C., Gordon, R.G., Vogt, P., 1994. Location of the Africa-Australia-India triple junction and motion between the Australian and Indian plates: results from aeromagnetic investigations of the Central Indian and Carlsberg ridges. Geophys. J. Int. 119, 893-930.
9. Dezhi, C., Gordon, R.G., DeMets, C., 1994. Quantification of current motion between Nubia and Arabia and implications for motion between Nubia and Somalia. EOS Trans. Am. Geophys. Un. 75, 608
10. Dziewonski, A.D., Frazen, J.F., Woodhouse, J.H., 1984. Centroid-moment tensor solutions for Oct-Dec, 1983. Phys. Earth Planet Int. 34, 129-136.
11. Dziewonski, A.D., Frazen, J.F., Woodhouse, J.H., 1985a. Centroid-moment tensor solutions for Jan-Mar, 1984. Phys. Earth Planet Int. 34, 209-219.
12. Dziewonski, A.D., Frazen, J.F., Woodhouse, J.H., 1985b. Centroid-moment tensor solutions for Apr-June, 1984. Phys. Earth Planet Int. 37, 87-96.
13. 1985c. Centroid-moment tensor solutions for Oct-Dec, 1985. Phys. Earth Planet Int. 43, 185-195.
14. Dziewonski, A.D., Frazen, J.E., Woodhouse, J.H., Zwart, G., 1989a. Centroid moment tensor solutions for Jan-Mar, 1988. Phys. Earth Planet Int. 54, 22-32.
15. Dziewonski, A.D., Frazen, J.E., Wooodhouse, J.H., Zwart, G., 1989b. Centroid-moment tensor solutions for July-Sept 1988. Phys. Earth Planet Int. 56, 165-180.
16. Dziewonski, A.D., Frazen, J.E., Woodhouse, J.H., Zwari, G., 1991. Centroid-moment tensor solutions for Apr-June, 1988. Phys. Earth Planet Int. 66, 133-143.
17. Fisher, R.L., Sclater, J.G., 1983. Tectonic evolution of the Southwest Indian Ocean since the Mid-Cretaceous: plate motions and stability of the pole of Antarctica/Africa for at least 80 m.yr. Geophys. J. R. Astron. Soc. 73, 553-576.
18. Fisher, R.L., Sclater, J.G., McKenzie, D.P., 1971. Evolution of the Central Indian Ridge, Western Indian Ocean. Geol. Soc. Am. Bull. 82, 553-562.
19. Geller, CA., Weissei, J.K., Anderson, R.M., 1983. Heat transfer and intraplate deformation in the Central Indian Ocean. J. Geophys. Res. 88, 1018-1032.
20. Gordon, R.G., DeMets, C., Argus, D.F., 1990. Kinematic constraints on distributed lithosphere deformation in the equatorial Indian Ocean from present motion between the Australian and Indian plates. Tectonics 9, 409-422.
21. McKenzie, D.P., Sclater, J.G., 1971. The evolution of the Indian Ocean since the Late Cretaceous. Geophys. J. R. Astron. Soc. 25, 437-528.
22. Molnar, P., 1983. Average regional strain due to slip on numerous faults of different orientations. J. Geophys. Res. 88, 6430-6432.
23. Okal, E.A., 1981. Intraplate seismicity of Antarctica and tectonic implications. Earth Planet. Sci. Lett. 52, 397-409.
24. Okal, E.A., 1984. Intraplate seismicity of the southern part of the Pacific plate. J. Geophys. Res. 89, 10053-10971.
25. Radha Krishna, M., 1995. Seismic moment release along major transforms on the Central Indian Ridge, Western Indian Ocean, and its tectonic implications. Proc. Ind. Acad. Sci. (EP&S) 104 (4), 693-706.
26. Radha Krishna, M., Arora, S.K., 1998. Spacetime seismicity and earthquake swarms: certain observations along the slow spreading mid-Indian Ocean ridges. Proc. Ind. Acad. Sci. (EP&S), in press.
27. Radha Krishna, M., Mukhopadhyay, M., Sebastian, J., Das Gupta, S., 1995. Seismicity, bathymetry and tectonics of the South West Indian Ridge. Proc. 32nd Annual Convention and Seminar, Ind. Geophys. Un., p. 5.
28. Royer, J.Y., Sclater, J.G., Sandwell, D.T., 1989. A preliminary tectonic fabric chart of the Indian Ocean. Proc. Ind. Acad. Sci. (EP&S) 98, 7-24.
29. Sclater, J.G., Fisher, R.L., Patriat, P., Tapscott, C., Parsons, B., 1981. Eocene to recent development of the Southwest Indian Ridge a consequence of the evolution of the Indian Ocean triple junction. Geophys. J. R. Astron. Soc. 64, 587-604.
30. Stein, S., 1978. An earthquake swarm on the Chagos-Laccadive Ridge and its tectonic implications. Geophys. J. R. Astron. Soc. 55, 577-588.
31. Weissel, J.K., Anderson, R.N., Geller, C.A., 1980. Deformation of the Indo-Australian plate. Nature 287, 284-290.
32. Weins, D.A., 1985. Historical seismicity near Chagos: a complex deformation zone in the equatorial Indian Ocean. Earth Planet. Sci. Lett. 76, 350-360.
33. Wiens, D.A., Stein, S., 1983. Age dependence of Oceanic intraplate seismicity and implications for lithosphere evolution. J. Geophys. Res. 88, 6455-6468.
34. Wiens, D.A., Stein, S., 1984. Intraplate seismicity and stresses in young oceanic lithosphere. J. Geophys. Res. 89, 11442-11464.
35. Wiens, D.A., Petroy, D.E., 1990. The largest recorded earthquake swarm: intraplate faulting near the Southwest Indian Ridge J. Geophys. Res. 95, 4735-4750.