Upper mantle Q and thermal structure beneath Tanzania, East Africa from teleseismic P wave spectra

Geophysical Research Letters

Volumn 31, Issue 15, 2004, Pages

  Venkataraman, Anupama ^a   Nyblade, Andrew A ^b   Ritsema, Jeroen ^c  

^a STANFORD UNIVERSITY   (United States)

^b PENNSYLVANIA STATE UNIVERSITY   (United States)

^c INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ATTENUATION; EARTH ATMOSPHERE; MATHEMATICAL MODELS; SEISMIC PROSPECTING;

LITHOSPHERE; RIFT; THERMAL STRUCTURES;

EARTHQUAKES;

MANTLE STRUCTURE; P-WAVE; SEISMIC VELOCITY; THERMAL STRUCTURE; VELOCITY STRUCTURE;

AFRICA; EAST AFRICA; EASTERN HEMISPHERE; SUB-SAHARAN AFRICA; TANZANIA; WORLD;

EID: 7044286460     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2004GL020351     Document Type: Article

References (18)

1. Allen, R. M., et al. (1999), The thin hot plume beneath Iceland, Geophys. J. Int., 137, 51-63.
2. Anderson, D. L. (1989), Theory of the Earth, 366 pp., Blackwell Sci., Malden, Mass.
3. Brazier, R. A., A. A. Nyblade, and C. A. Langston (2000), Pn wave velocities beneath the Tanzania craton and adjacent rifted mobile belts, East Africa, Geophys. Res. Lett., 27(16), 2365-2368.
4. Cammarano, F., S. Goes, P. Vacher, and D. Giardini (2003), Inferring upper-mantle temperatures from seismic velocities, Phys. Earth Planet. Sci., 138(3-4), 197-222.
5. Dziewonski, A. M., and D. L. Anderson (1981), Preliminary reference Earth model, Phys. Earth Planet. Inter, 25, 297-356.
6. Flanagan, M. P., and D. A. Wiens (1990), Attenuation structure beneath the Lau back arc spreading center from teleseismic S phases, Geophys. Res. Lett., 17(12), 2117-2120.
7. Karato, S. (1993), Importance of anelasticity in the interpretation of seismic tomography, Geophys. Res. Lett., 20(15), 1623-1626.
8. Kennet, B. L. N., and E. R. Engdahl (1991), Travel times for global earthquake location and phase identification, Geophys. J. Int., 105, 429-465.
9. Langston, C. A., A. A. Nyblade, and T. J. Owens (2002), Regional wave propagation in Tanzania, East Africa, J. Geophys. Res., 107(B1), 2003, doi:10.1029/2001JB000167.
10. Last, R. J., A. A. Nyblade, C. A. Langston, and T. J. Owens (1997), Crustal structure of the East African plateau from receiver functions and Rayleigh wave phase velocities, J. Geophys. Res., 102(B11), 24,469-24,482.
11. Nyblade, A. A. (1997), Heat flow across the East African plateau, Geophys. Res. Lett., 24(16), 2083-2086.
12. Nyblade, A. A. (2002), Crust and upper mantle structure in East Africa: Implications for the origin of Cenozoic rifting and volcanism and the formation of magmatic rifted margins, in Volcanic Rifted Margin, edited by M. A. Menzies et al., Spec. Pap. Geol. Soc. Am., 362, 15-26.
13. Owens T. J., A. A. Nyblade, and C. A. Langston (1995), The Tanzania broadband experiment, Inc. Res. Inst. Seismol. Newslett., 14, 1.
14. Owens, T. J., A. A. Nyblade, H. Gurrola, and C. A. Langston (2000), Mantle transition zone structure beneath Tanzania, East Africa, Geophys. Res. Lett., 27(6), 827-830.
15. Ritsema, J., A. A. Nyblade, T. J. Owens, C. A. Langston, and J. C. VanDecar (1998), Upper mantle seismic velocity structure beneath Tanzania, East Africa: Implications for the stability of cratonic lithosphere, J. Geophys. Res., 103(139), 21,201-21,213.
16. VanDecar, J. C., and R. S. Crosson (1990), Determination of teleseismic relative phase arrival times using multi-channel cross-correlation and least squares, Bull. Seismol. Soc. Am., 80(1), 150-169.
17. Webb, S. C., and D. W. Forsyth (1998), Structure of the upper mantle under the EPR from waveform inversion of regional events, Science, 280(5367), 1227, doi:10.1126/science.280.5367.
18. Weeraratne, D. S., D. W. Forsyth, K. M. Fischer, and A. A. Nyblade (2003), Evidence for an upper mantle plume beneath the Tanzanian craton from Rayleigh wave tomography, J. Geophys. Res., 108(B9), 2427, doi:10.1029/2002JB002273.