Eric Debayle                                                                                                                                            


Directeur de Recherche, CNRS

Director of  LGL-TPE  (Laboratoire de Géologie de Lyon : Terre, Planètes et Environnement)

Bâtiment Géode, 6 rue Raphaël Dubois, 69622 Villeurbanne, France 

CNRS, Université Claude Bernard (Lyon1), and ENS Lyon

tel:  +33 4 72 44 58 03


Research Interests : global seismology and studies of the deep Earth interior

Link to  read "Seismic evidence for partial melt below tectonic plates", our recent Nature paper (october 2020)

Link to  read "When plumes tickle continents", my news & views paper in Nature Geoscience (2018)

Download our tomographic models and surface wave measurements

Download 3D2018_08 Sv, our global SV-wave upper mantle model updated up to August 2018 (Debayle, Dubuffet and Durand, GRL 2016)

            Link to download 3D2018_08Sv as an ascii file from this web page (with codes and GMT scripts for plotting maps)

            Link to download 3D2018_08Sv from IRIS as an IRIS data product netCDF file

Link to access  SEISGLOB2 our global SV wave mantle model (Durand et al., GJI 2017)

Link to download our global attenuation models (Adenis et al., GJI, 2017; Adenis et al., GRL, 2017)

Link to access our global Rayleigh wave dataset (from Stéphanie Durand's webpage)

Link to download 3D2017_09Sv, our global SV-wave seismic model updated up to September 2016 (Debayle, Dubuffet and Durand, GRL 2016)
Link to download 3D2016_09Sv, our global SV-wave seismic model updated up to September 2016 (Debayle, Dubuffet and Durand, GRL 2016)
Link to download 3D2016_03Sv, our global SV-wave seismic model updated up to March 2016 (Debayle, Dubuffet and Durand, GRL 2016)
Link to download 3D2015_10Sv, updated up to October 2015 (Debayle, Dubuffet and Durand, GRL 2016)
Link to download 3D2015_07Sv, updated up to july 2015 (Debayle, Dubuffet and Durand, GRL 2016)

Link to download the Debayle and Ricard, (JGR2012, EPSL, 2013) global SV-wave seismic mode
Link to download the Debayle, Kennett and Priestley (Nature, 2005) global SV-wave seismic model

Software for inversion of massive surface wave datasets (Debayle and Sambridge, JGR,  2004)

Click here to access the documentation on how to use our software. The software package is availabe on request from Eric Debayle


  1. Debayle E, Bodin T., Durand D. & Ricard Y., Seismic evidence for partial melt below tectonic plates,  Nature 586, 555–559, doi:10.1038/s41586-020-2809-4, 2020. (pdf) (Supplementary  Information)

  2. Debayle E., When  plumes ticke continents, Nature Geoscience,  11, 3, 150-151, doi:10.1038/s41561-018-0074-z, 2018. (pdf)

  3. Alder C., Bodin T, Ricard Y.,  Capdeville Y., Debayle E., Montagner J.P., Quantifying seismic anisotropy induced by small-scale chemical heterogeneities, Geophys. J. Int., 211, 3, 1585-1600, doi:10.1093/gji/ggx389,  2017. (pdf)

  4. Durand S., Debayle E., Ricard Y., Zaroli C. and Lambotte S., Confirmation of a change in the global shear velocity pattern at around 1000 km depth, Geophys. J. Int., 211, 1628–1639, doi: 10.1093/gji/ggx405, 2017. (pdf)

  5. Adenis, A., E. Debayle, and Y. Ricard, Attenuation tomography of the upper mantle, Geophys. Res. Lett., 44, doi:10.1002/2017GL073751, 2017. (pdf) 

  6. Coltice N., Larrouturou G., Debayle E. and Garnero E.,  Interactions of scales of convection in the Earth’s mantle, Tectonophysics,,, 2017.(pdf)

  7. Alice Adenis, Eric Debayle, Yanick Ricard; Seismic evidence for broad attenuation anomalies in the asthenosphere beneath the Pacific Ocean, Geophysical Journal International, Volume 209, Issue 3, Pages 1677–1698, doi: 10.1093/gji/ggx117, 1 june 2017. (pdf)

  8. B. Tauzin, B. Reynard, J.P. Perrillat, E. Debayle and T. Bodin, Deep crustal fracture zones controm fluid escape and the seismic cycle in the Cascadia subduction zone, Earth. Planet. Sci. Letters, 460, 1-11,, 2017. (pdf)

  9. T. Ho, K. Priestley and E.Debayle, A global horizontal shear velocity model of the upper mantle from multimode Love wave measurements, Geophys. J. Int., 207, 542–561, doi: 10.1093/gji/ggw292, 2016. (pdf)

  10. S. Durand, E. Debayle, Y. Ricard and S. Lambotte, Seismic evidence for a change in the large scale tomographic pattern across the D'' layer, Geophys. Res. Lett., 43, 7928–7936, doi:10.1002/2016GL069650, 2016. (pdf) (Supplementary Information)

  11. B. Tauzin, T. Bodin, E. Debayle, J.P. Perrillat, B. Reynard, Multi-mode conversion imaging of the subducted Gorda and Juan de Fuca plates below the North American continent, Earth. Planet. Sci. Letters, 440, 135-146,, 2016. (pdf)

  12. E.Debayle, F. Dubuffet and S. Durand, An automatically updated S-wave model of the upper mantle and the depth extent of azimuthal anisotropy, Geophys. Res. Lett., doi: 10.1002/2015GL067329, 2016. (pdf) (Supplementary Information).

  13. S. Durand, E. Debayle, and Y. Ricard, Rayleigh wave phase velocity and error maps up to the fifth overtone, Geophys. Res. Lett., 42, doi:10.1002/2015GL063700, 2015. (pdf)

  14. S. Pandey, X. Yuan, E. Debayle, F. Tilmann, K. Priestley, and X. Li, Depth-variant azimuthal anisotropy in Tibet revealed by surface wave tomography, Geophys. Res. Lett., 42, 4326–4334, doi:10.1002/ 2015GL063921, 2015. (pdf)

  15. S. Pandey, X. Yuan, E. Debayle, K. Priestley, R. Kind, F. Tilmann, X. Li, A 3D Shear-wave velocity model of the upper mantle beneath China and surrounding areas, Tectonophysics, doi: 10.1016/j.tecto.2014.07.011, 2014. (pdf)

  16. H. Pedersen, E. Debayle, V. Maupin and the POLENET/LAPNET Working Group, Strong lateral variations of lithospheric mantle beneath cratons - example from the Baltic Shield, Earth. Planet. Sci. Letters, 383, 164-172, 2013. (pdf)

  17. C. Zaroli,  Sambridge M., Lévêque J.J., E. Debayle and G. Nolet, An objective rationale for the choice of regularisation parameter with application to global multiple-frequency S-wave tomography, Solid Earth, 4, 357-371, doi:10.5194/se-4-357-2013, 2013. (pdf)

  18. E. Debayle  and Y. Ricard, Seismic observations of large-scale deformation at the bottom of fast-moving plates, Earth. Planet. Sci. Letters,, 2013. (pdf)

  19. B. Tauzin, E. Debayle, C. Quantin, and N. Coltice, Seismoacoustic coupling induced by the breakup 28  of the 15 February 2013 Chelyabinsk meteor, Geophys. Res. Lett., 29 40, doi:10.1002/grl.50683, 201

  20. E. Debayle and Y. Ricard, A global shear velocity model of the upper mantle from fundamental and higher Rayleigh mode measurements, J. Geophys. Res., 117, B10308, doi:10.1029/2012JB009288, 2012. (pdf)

  21. Priestley, K., D. McKenzie, J. Barron, M. Tatar, and E. Debayle, The Zagros core: Deformation of the continental lithospheric mantle, Geochem. Geophys. Geosyst., 13, Q11014, doi:10.1029/2012GC004435, 2012. (pdf)

  22. B. Tauzin, Debayle E. & G. Wittlinger, Seismic evidence for a global low velocity layer within the Earth’s upper mantle, Nature Geoscience, 3,  doi: 10.1038/NGEO969, october 2010. (pdf) 

  23. Zaroli, E. Debayle & Sambridge, M., Frequency-dependent effects on global S-wave traveltimes: wavefront-healing, scattering and attenuation, Geophysical Journal International, 182: 1025–1042. doi: 10.1111/j.1365-246X.2010.04667.x, 2010. (pdf)

  24. Sauter D., M. Cannat, C. Meyzen, A. Bezos, P. Patriat, E. Humler & E. Debayle, Propagation of a melting anomaly along the ultra-slow Southwest Indian Ridge between 46°E and 52°20'E : interaction with the Crozet hot-spot?, Geophys. J. Int., 179, 687-699, doi: 10.1111/j.1365-246X.2009.04308.x, 2009. (pdf)

  25. D. Sicilia , J.P. Montagner, M. Cara, E. Stutzmann , E. Debayle, J.C. Lepine , J.-J. Leveque , E. Beucler, A. Sebai, G. Roult, A. Ayele & J.M. Sholan, Shear-wave velocities and stratification of anisotropic upper mantle structure in the Afar Hotspot region, Tectonophysics, 462, 164-177, doi:10.1016/j.tecto.2008.02.016, 2008. (pdf)

  26. B. Tauzin, E. Debayle & G. Wittlinger, The mantle transition zone as seen by global Pds phases : no clear evidence for a thin transition zone beneath hotspots, J. Geophys. Res., 113, B08309, doi:10.1029/2007JB005364, 2008. (pdf)

  27. Priestley K., D. McKenzie, E. Debayle & S. Pilidou, The African upper mantle and its relationship to tectonics and surface geology, Geophys. J. Int., 175, 1108–1126, doi: 10.1111/j.1365-246X.2008.03951.x, 2008. (pdf)

  28. J.P. Montagner, B. Marty, E. Stutzmann, D. Sicilia, M. Cara, R. Pik, J. Lévêque, G. Roult, E. Beucler, and E. Debayle, Mantle upwellings and convective instabilities revealed by seismic tomography and helium isotope geochemistry beneath eastern Africa, Geophys. Res. Lett., 34, L21303, doi:10.1029/2007GL031098, 2007. (pdf)

  29. K. Priestley, E. Debayle, D. McKenzie, et Pilidou S. Upper mantle structure of eastern Asia from multimode surface waveform tomography, J. Geophys. Res., 111, B10304, doi:10.1029/2005JB004082, 2006. (pdf)

  30. A. Maggi, Debayle E, Priestley K, & G. Barruol., Azimuthal anisotropy of the Pacific region, Earth. Planet. Sci. Letters, 250 (1-2): 53-71, 2006. (pdf)

  31. A. Maggi, Debayle E., K. Priestley & G. Barruol, Multimode surface waveform tomography of the Pacific Ocean: a closer look at the lithospheric cooling signature, Geophys. J. Int., 166 (3): 1384-1397, 2006. (pdf)

  32. K. Priestley, D. McKenzie & E. Debayle, The state of the upper mantle beneath southern Africa, Tectonophysics, 416 (1-4), 101-112, 2006. (pdf)

  33. D. Duetsugu, H. Shiobara, G. Barruol, F.Schindele, D. Reymond, A. Bonneville, E. Debayle, T. Isse, T. Kanazawa and Y. Fukao, Probing South Pacific mantle plumes with Broadband OBS, E.O.S. Trans., 86, no 44, 429-435, 2005. (pdf)

  34. M. Heintz, E. Debayle & A. Vauchez, Upper mante structure of the South American continent and neighboring oceans from surface wave tomography, Tectonophysics, 406, 115-139, 2005. (pdf)

  35. E. Debayle, B. Kennett and K. Priestley, Global azimuthal seismic anisotropy and the unique plate-motion deformation of Australia, Nature, 433, 509-512, doi:10.1038/nature03247, 2005. (pdf, download the model)

  36. S. Pilidou, K.Priestley, E. Debayle & O.Gudmundsson , Rayleigh wave tomography in the North Atlantic : High resolution images of the Iceland, Azores and Eiffel mantle plumes, Lithos,79, 453-473doi:10.1016/j.lithos.2004.09.012, 2005.  (pdf)

  37. A. Sieminski, J.J. Lévêque & E. Debayle, Can finite-frequency effects be accounted for in ray theory surface wave tomography? Geophys. Res. Lett., 31, L24614, doi:10.1029/2004GL021402, 2004. (pdf)

  38. J.C. Sibuet, S.K. Hsu and E. Debayle, Geodynamic context of the Taiwan orogen, “AGU Geophysical Monograph Series149, ''Continent-Ocean interactions within the East Asian Marginal Seas '', Edited by P. Cliff, pp127-158, doi:10.1029/149GM08, 2004. 

  39. S. Pilidou, K.Priestley, O.Gudmundsson & E. Debayle, Upper mantle S-wave speed heterogeneity beneath the North Atlantic and the surrounding region from regional surface wave tomography, Geophys. J. Int., 159, 1057-1076, doi:10.1111/j.1365-246X.2004.02462.x, 2004. (pdf)

  40. E. Debayle & M. Sambridge,  Inversion of massive surface wave data sets : model construction and resolution assessments, J. Geophys. Res. , 109, B02316, doi:10.1029/2003JB002652 , 2004. (pdf)

  41. A. Sieminski, E. Debayle & J.J. Lévêque, Seismic evidence for deep low-velocity anomalies in the transition zone beneath West Antarctica, Earth. Planet. Sci. Letters, 216, 645-661, doi:10.1016/S0012-821X(03)00518-1, 2003. (pdf)

  42. E. Debayle & B.L.N. Kennett, Surface waves studies of the Australian region, Geological Society of Australia Special Publication 22 and Geological Society of America Special Paper 372, pp. 25-40, 2003. (pdf)

  43. K. Priestley & E. Debayle, Seismic evidence for a moderately thick lithosphere beneath the Siberian Platform, Geoph. Res. Lett., vol. 30, no 3, 1118 , doi:10.1029/2002GL015931, 2003. (pdf)

  44. G. Barruol, D. Bosch, V. Clouard, E. Debayle, M.P. Doin, M. Godard, F. Fontaine, F. Masson, A. Tommasi & C. Thoraval,  Polynesian lithosphere and upper mantle experiment (PLUME) : The south Pacific superswell under investigation, E.O.S. trans, vol. 83, no 45,  510-514, 2002. (pdf)

  45. E. Debayle, J.J. Lévêque & M. Cara, Seismic evidence for a deeply rooted low velocity anomaly in the upper mantle beneath the northeastern Afro/Arabian continent, Earth Planet. Sci. Lett., 193/3-4, 369-382, 2001. (pdf)

  46. E. Debayle & B.L.N. Kennett, Anisotropy in the Australasian upper mantle from Love and Rayleigh waveform inversion, Earth Planet. Sci. Lett., 184/1, 339-351, 2000. (pdf)

  47. E. Debayle & B.L.N. Kennett, The Australian continental upper mantle : structure and deformation inferred from surface waves,  J. Geophys. Res., 105, 11, 25423-25450, 2000. (pdf)

  48. E. Debayle, SV-wave azimuthal anisotropy in the Australian upper mantle: preliminary results from automated Rayleigh waveform inversion, Geophys. J. Int., 137, 747-754, 1999. (pdf)

  49. J.J. Lévêque, E. Debayle & V. Maupin, Anisotropy in the Indian Ocean  upper mantle from Rayleigh and Love waveform inversion, Geophys. J. Int., 133, 529-540, 1998. (pdf)

  50. Debayle E. & J.J. Lévêque, Upper mantle heterogeneities in the Indian Ocean from waveform inversion, Geoph. Res. Lett., 24, 245-248, 1997.  (pdf)

Some other things to download :

October 2020 :  "Melt mapped inside the Earth's mantle" News & views publibed by on our paper published in Nature.

August 2013 : highlight in Nature geoscience on our paper "Seismic observations of large -scale deformation at the bottom of fas-moving plates" published in EPSL, 2013

2007 Benoit Tauzin's contribution to the mantle plume website

Slices at different depths in Debayle, Kennett & Priestley (Nature, 2005) global SV-wave anisotropic model : SV 100 km - SV +aniso 100 km - SV 125 km - SV+aniso 125 km - SV 150 km - SV+aniso 150 km - SV 175 km - SV+aniso 175 km - SV 200 km - SV +aniso 200 km - SV 250 km - SV+aniso 250 km - SV 300 km - SV+aniso 300 km

 Cartoon sumarizing the results by Debayle Kennett & Priestley, Nature 2005 (jpeg, 71.8Ko)

2004 AGU presentation of our DKP2005 seismic model by Debayle Kennett & Priestley (ppt, 2,24Mb)

Other useful links:

Stéphanie Durand's homepage

Benoit Tauzin's homepage

Thomas Bodin's homepage

Yanick Ricard's homepage

Malcolm Sambridge's homepage


Accademic responsabilities :

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CMAS one star instructor ( E2 FFESSM).


Last modified:  March 2021