Spatial distribution of scatterers in the crust by inversion analysis of coda envelopes: A case study of Gauribidanur seismic array (Southern India)

Geophysical Journal International

Volumn 166, Issue 2, 2006, Pages 782-794

  Ugalde, A ^a   Carcole E ^a   Tripathi, J N ^b  

^a CSIC URL Observatorio de Fisica Cosmica del Ebro OE   (Spain)

^b UNIVERSITY OF ALLAHABAD   (India)

Author keywords

Crustal heterogeneity; Inversion analysis; Scattering coefficient; Seismic coda; Southern India

Indexed keywords

CODA; INVERSE ANALYSIS; SEISMIC DATA; WAVE SCATTERING;

ASIA; EURASIA; INDIA; SOUTH ASIA;

EID: 33745457433     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2006.03046.x     Document Type: Article

References (23)

1. Aki, K., 1969. Analysis of the seismic coda of local earthquakes as scattered waves, J. geophys. Res., 74, 615-631.
2. Aki, K. & Chouet, B., 1975. Origin of coda waves: Source, attenuation and scattering effects, J. geophys. Res., 80, 3322-3342.
3. Arora, S.K., 1971. A study of the earth's crust near Gauribidanur, South India, Bull. seism. Soc. Am., 61, 671-683.
4. Asano, Y. & Hasegawa, A., 2004. Imaging the fault zones of the 2000 western Tottori earthquake by a new inversion method to estimate three-dimensional distribution of the scattering coefficient, J. geophys. Res., 109, B06306, doi:.
5. Berteussen, K.A., Husebye, E.S., Mereu, R.F. & Ram, A., 1977. Quantitative assessment of the crust-upper mantle heterogeneities beneath the Gauribidanur seismic array in southern India, Earth Planet. Sci. Lett., 37, 326-332.
6. Chen, X. & Long, L.T., 2000. Spatial distribution of relative scattering coefficients determined from microearthquake coda, Bull. seism. Soc. Am., 90, 512-524.
7. Hoshiba, M., 1991. Simulation of multiple scattered coda wave excitation based on the energy conservation law, Phys. Earth planet. Int., 67, 123-136.
8. Hoshiba, M., 1995. Estimation of nonisotropic scattering in western Japan using coda wave envelopes: Application to a multiple nonisotropic scattering model, J. geophys. Res., 100, 645-657.
9. Kak, A.C. & Slaney, M., 1988. Principles of Computerized Tomographic Imaging, IEEE Press, New York.
10. Krishna, V.G. & Ramesh, D.S., 2000. Propagation of crustal-waveguide-trapped Pg and seismic velocity structure in South Indian shield, Bull. seism. Soc. Am., 90, 1281-1294.
11. Mohan, G. & Rai, S.S., 1992. Imaging of seismic scatterers beneath the Gauribidanur (GBA) array, Phys. Earth Planet. Int., 71, 36-45.
12. Moyen, J.F., Nédélec, A., Martin, H. & Jayananda, M., 2003. Syntectonic granite emplacement at different structural levels: the Closepet granite, South India, J. Struc. Geol., 25, 611-631.
13. Nishigami, K., 1991. A new inversion method of coda waveforms to determine spatial distribution of coda scatterers in the crust and uppermost mantle, Geophys. Res. Lett., 18, 2225-2228.
14. Nishigami, K., 1997. Spatial distribution of coda scatterers in the crust around two active volcanoes and one active fault system in central Japan: Inversion analysis of coda envelope, Phys. Earth planet. Int., 104, 75-89.
15. Nishigami, K., 2000. Deep crustal heterogeneity along and around the San Andreas fault system in central California and its relation to segmentation, J. geophys. Res., 105, 7983-7998.
16. Pulli, J.J., 1984. Attenuation of coda waves in New England, Bull. seism. Soc. Am., 74, 1149-1166.
17. Rautian, T.G. & Khalturin, V.I., 1978. The use of coda for determination of the earthquake source spectrum, Bull. seism. Soc. Am., 68, 923-948.
18. Sato, H., 1977. Energy propagation including scattering effects; single isotropic scattering, J. Phys. Earth, 25, 27-41.
19. Sato, H., 1995. Formulation of the multiple non-isotropic scattering process in 3-D space on the basis of the energy transport theory, Geophys. J. Int., 121, 523-531.
20. Sato, H., Fehler, M. & Wu, R.-S., 2002. Scattering and attenuation of seismic waves in the lithosphere, Chapter 13 in International Handbook of Earthquake and Engineering Seismology, pp. 195-208, eds Jennings, P., Kanamori, H. & Lee, W.
21. Tripathi, J.N. & Ugalde, A., 2004. Regional estimation of Q from seismic coda observations by the Gauribidanur seismic array (southern India), Phys. Earth planet. Int., 145, 115-126.
22. Wu, R.-S., 1985. Multiple scattering and energy transfer of seismic waves - separation of scattering effect from intrinsic attenuation - I. Theoretical modelling, Geophys. J. R. astr. Soc., 82, 57-80.
23. Zeng, Y., Su, F. & Aki, K., 1991. Scattered wave energy propagation in a random isotropic scattering medium, I, Theory, J. geophys. Res., 96, 607-619.