. De-validité, mais sont moins marqués qu'aux stations précédentes. Les valeurs de fréquences sont comprises entre 0

H. De-par-leur-forme-et-leur-relativement and . V-de-la, partie ouest témoignent d'une part de la propagation 1D des ondes dans cette zone, d'autre part de la présence d'un fort contraste de vitesse (Bonnefoy-Claudet Si l'on consid` ere la vitesse moyenne de l'ordre de 500 m/s estimée par la tomographie (section 5.1.6) dans l'´ equation 1.1, on trouve, pour des fréquences de résonance d'environ 0.7 Hz, des profondeurs de l'ordre de 200 m. Ces profondeurs ne correspondent pasàpas`pasà la surface de glissement (comprise entre 5 et 40 m) maisàmais`maisà l'interface entre argile et socle (alluvions ou marno-calcaire), et l'augmentation des fréquences de résonance vers l'est témoigne de la remontée du socle vers l'est, 2004.

. Dans-la-partie-est-du-réseau, les courbes H/V présentent un pic moins marqué (i.e. d'amplitude plus faible, et de largeuràlargeur`largeurà mi hauteur plus importante) et situésitué`situéà des fréquences plusélevéesplusélevées, Cettedernì ere observation est en accord avec la remontée vers l'est

. Fig, 27 ? Azimutal variations computed for 4 different times at stations B3 to AVM (C1 : 10h, 16h, 22h, 4h ; others : 1h, 7h, 13h and 19h). Frequencies range from 0, p.15

. Hz, Dashed lines indicate frequencies of 0

M. Abe and Z. Suzuki, A model-seismological study on the propagation of Rayleigh waves in a medium with a dipping boundary between a superficial layer and the basement, pp.1-25, 1970.

K. Aki, Space and time spectra of stationary stochastic waves, with special reference to microtremors, Bulletin of Earthquake Research Institute, pp.415-456, 1957.

J. Allen and L. Rabiner, A unified approach to short-time Fourier transform and synthesis, Proceedings of the IEEE, pp.1558-1564, 1977.

M. Angeli, A. Pasuto, and S. Silvano, A critical review of landslide monitoring experiences, Engineering Geology, vol.55, issue.3, pp.133-147, 2000.
DOI : 10.1016/S0013-7952(99)00122-2

P. Apostolidis, D. Raptakis, K. Pandi, M. Manakou, and K. Pitilakis, Definition of subsoil structure and preliminary ground response in Aigion city (Greece) using microtremor and earthquakes, Soil Dynamics and Earthquake Engineering, pp.922-943, 2006.

H. Arai and K. Tokimatsu, S-Wave Velocity Profiling by Joint Inversion of Microtremor Dispersion Curve and Horizontal-to-Vertical (H/V) Spectrum, Bulletin of the Seismological Society of America, vol.95, issue.5, pp.1766-1778, 2005.
DOI : 10.1785/0120040243

M. Asten and D. Boore, Blind comparisons of shear-wave velocities at closely spaced sites in San Jose, California, chap. Comparison of shear-velocity profiles of unconsolidated sediments near the Coyote borehole (CCOC) measured with fourteen invasive and non-invasive methods, U.S. Geological Survey Open-File Report, 1169.

M. Asten, W. Stephenson, and P. Davenport, Shear-wave Velocity Profile for Holocene Sediments Measured from Microtremor Array Studies, SCPT, and Seismic Refraction, Journal of Environmental & Engineering Geophysics, vol.10, issue.3, pp.235-242, 2005.
DOI : 10.2113/JEEG10.3.235

M. W. Asten and J. D. Henstridge, Array estimators and use of microseisms for reconnaissance of sedimentary basins, Geophysics, p.49, 1984.

E. Ata, D. Corrigan, G. Mcmehan, and J. Gaiser, Estimation of near???surface elastic parameters using multicomponent seismic data, GEOPHYSICS, vol.58, issue.7, pp.1017-1029, 1993.
DOI : 10.1190/1.1443478

G. Athanasopoulos, P. Pelekis, and E. Leonidou, Effects of surface topography on seismic ground response in the Egion (Greece) 15 June 1995 earthquake, Soil Dynamics and Earthquake Engineering, vol.18, issue.2, pp.135-149, 1995.
DOI : 10.1016/S0267-7261(98)00041-4

A. M. Baig, M. Campillo, and F. Brenguier, Denoising seismic noise cross correlations, Journal of Geophysical Research, vol.33, issue.B9, p.8310, 2009.
DOI : 10.1029/2008JB006085
URL : https://hal.archives-ouvertes.fr/insu-00446723

L. Baillet and T. Sassi, Mixed finite element methods for the Signorini problem with friction, Numerical Methods for Partial Differential Equations, vol.331, issue.6, pp.1489-1508, 2006.
DOI : 10.1002/num.20147
URL : https://hal.archives-ouvertes.fr/insu-00355157

L. Baillet, V. Linck, S. D. Errico, B. Laulagnet, and Y. Berthier, Finite Element Simulation of Dynamic Instabilities in Frictional Sliding Contact, Journal of Tribology, vol.127, issue.3, pp.652-657, 2005.
DOI : 10.1115/1.1866160
URL : https://hal.archives-ouvertes.fr/hal-00373839

P. Bard, Local effects on strong ground motion : basic physical phenomena and estimation methods for microzoning studies, Proceedings of the Advanced Study Course on Seismic Risk SERINA -Seismic Risk : an integrated seismological, geotechnical and structural approach, pp.229-299, 1997.

P. Bard, Microtremor measurements : a tool for site effects estimation ?, in The effects of surface geology on seismic motion, pp.1251-1279, 1998.

P. Bard, The SESAME project : an overview and main results, 13th World Conference in Earthquake Engineering, 2004.

P. Bard and M. Bouchon, The seismic response of sediment-filled valleys. Part 1. The case of incident SH waves, pp.1263-1286, 1980.

P. Bard and M. Bouchon, The two-dimensional resonance of sediment-filled valleys, pp.519-541, 1985.

P. Bard and J. , Wave motion in earthquake engineering, chap. Wave propagation in complex geological structures and local effects on strong ground motion, Series " Advances in Earthquake Engineering " ), pp.38-95, 1999.

J. P. Bardet, K. Ichii, and C. Lin, EERA : a comuter program for equivalentlinear earthquake site response analysis of layered soil deposits, 2000.

M. P. Barmin, M. H. Ritzwoller, and A. L. Levshin, A Fast and Reliable Method for Surface Wave Tomography, Pure and Applied Geophysics, vol.158, issue.8, pp.1351-1375, 2001.
DOI : 10.1007/PL00001225

G. D. Bensen, M. H. Ritzwoller, M. P. Barmin, A. L. Levshin, F. Lin et al., Processing seismic ambient noise data to obtain reliable broad-band surface wave dispersion measurements, Geophysical Journal International, vol.169, issue.3, pp.1239-1260, 2007.
DOI : 10.1111/j.1365-246X.2007.03374.x
URL : https://hal.archives-ouvertes.fr/hal-00310198

B. Bettig, P. Bard, F. Scherbaum, J. Riepl, F. Cotton et al., Analysis of dense array noise measurements using the modified spatial autocorrelation method (SPAC) Application to the Grenoble area, pp.281-304, 2001.

G. Bì-evre, F. Renalier, L. Valldosera, D. Jongmans, E. Flavigny et al., Caractéristiques de l'endommagement d'une argile par méthodes sismiques, Proceedings of the Journées Nationales de Géologie et Géotechnique, 2010.

L. Bodet, Limites théoriques et expérimentales de l'interprétation de la dispersion des ondes de Rayleigh : apport de la modélisation numérique et physique, 2005.

L. Bodet, O. Abraham, A. Bitri, D. Leparoux, and P. Côte, Effect of Dipping Layers on Seismic Surface Waves Profiling: A Numerical Study, Symposium on the Application of Geophysics to Engineering and Environmental Problems 2004, 2004.
DOI : 10.4133/1.2923306

L. Bodet, L. K. Van-wijk, A. Bitri, O. Abraham, P. Côte et al., Surface-wave Inversion Limitations from Laser-Doppler Physical Modeling, Journal of Environmental & Engineering Geophysics, vol.10, issue.2, pp.151-162, 2005.
DOI : 10.2113/JEEG10.2.151

S. Bonnefoy-claudet, Nature du bruit de fond sismique : implications pour lesétudes lesétudes des effets de site, 2004.

S. Bonnefoy-claudet, C. Cornou, P. Bard, F. Cotton, P. Moczo et al., H/V ratio: a tool for site effects evaluation. Results from 1-D noise simulations, Geophysical Journal International, vol.167, issue.2, pp.827-837, 2006.
DOI : 10.1111/j.1365-246X.2006.03154.x
URL : https://hal.archives-ouvertes.fr/insu-00265520

S. Bonnefoy-claudet, F. Cotton, and P. Bard, The nature of the seismic noise wave field and its implication for site effects studies : a literature review, Earth Sciences Review, vol.79, pp.3-4, 2006.

S. Bonnefoy-claudet, F. Cotton, and P. Bard, The nature of noise wavefield and its applications for site effects studies, Earth-Science Reviews, vol.79, issue.3-4, pp.3-4, 2006.
DOI : 10.1016/j.earscirev.2006.07.004
URL : https://hal.archives-ouvertes.fr/insu-00265540

S. Bonnefoy-claudet, S. Baize, L. F. Bonilla, C. Berge-thierry, C. Pasten et al., Site effect evaluation in the basin of Santiago de Chile using ambient noise measurements, Geophysical Journal International, vol.176, issue.3, pp.925-937, 2009.
DOI : 10.1111/j.1365-246X.2008.04020.x

D. Boore, Love waves in nonuniform wave guides: Finite difference calculations, Journal of Geophysical Research, vol.2, issue.5, pp.1512-1527, 1970.
DOI : 10.1029/JB075i008p01512

D. Boore, Determining subsurface shear-wave velocities : a review, Third international symposium on the effects of surface geology on seismic motion, 2006.

D. Boore and M. Asten, Comparisons of shear-wave slowness in the Santa Clara Valley, California, using blind interpretations of data from invasive and non-invasive methods, 1983.

F. Bozzano, L. Lenti, S. Martino, A. Paciello, G. Scarascia et al., Self-excitation process due to local seismic amplification responsible for the reactivation of the Salcito landslide (Italy) on 31 October 2002, Journal of Geophysical Research, vol.58, issue.3???4, p.10312, 2002.
DOI : 10.1029/2007JB005309

F. Brenguier, N. M. Shapiro, M. Campillo, A. Nercessian, and V. Ferrazzini, 3-D surface wave tomography of the Piton de la Fournaise volcano using seismic noise correlations, Geophysical Research Letters, vol.151, issue.13, pp.10-1029, 2007.
DOI : 10.1029/2006GL028586
URL : https://hal.archives-ouvertes.fr/hal-00145673

F. Brenguier, N. M. Shapiro, M. Campillo, V. Ferrazzini, Z. Duputel et al., Towards forecasting volcanic eruptions using seismic noise, Nature Geoscience, vol.33, issue.2, pp.126-13010, 2008.
DOI : 10.1038/ngeo104
URL : https://hal.archives-ouvertes.fr/insu-00332590

G. Brocard, P. Van-der-beek, D. Bourì-es, L. Siame, and J. Mugnier, Long-term fluvial incision rates and postglacial river relaxation time in the French Western Alps from 10Be dating of alluvial terraces with assessment of inheritance, soil development and wind ablation effects, Eart and Planetary Science Letters, pp.197-214, 2003.

H. Cadet, Utilisation combinée des méthodes basées sur le bruit de fond dans le cadre du microzonage sismique, 2007.

M. Campillo, Phase and correlation in 'random' seismic fields and the reconstruction of the Green's function, Pure and Applied Geophysics, pp.475-502, 2006.

M. Campillo and A. Paul, Long-Range Correlations in the Diffuse Seismic Coda, Science, vol.299, issue.5606, pp.547-549, 2003.
DOI : 10.1126/science.1078551
URL : https://hal.archives-ouvertes.fr/hal-00107924

J. Capon, High-resolution frequency-wavenumber spectrum analysis, Proceedings of the IEEE, pp.1408-1418, 1969.
DOI : 10.1109/PROC.1969.7278

C. Cornou, M. Ohrnberger, D. Boore, J. T. Kuo, and P. Bard, Using ambient noise array techniques for site characterisation : results from an international benchmark, Proceedings of the 3rd International Symposium on the effects of surface geology on seismic motion Chaljub, C. Cornou, F. Cotton, and P. Guéguen, LCPC Editions, 2006.

O. Coutant, F. Doré, F. Brenguier, J. Fels, D. Brunel et al., The High-Resolution Imaging (HRI) Portable Array: A Seismic (and Internet) Network Dedicated to Kilometric-scale Seismic Imaging, Seismological Research Letters, pp.47-54, 2008.
DOI : 10.1785/gssrl.79.1.47
URL : https://hal.archives-ouvertes.fr/hal-00312678

D. Moro and G. , VS and VP vertical profiling via joint inversion of Rayleigh waves and refraction travel times by means of bi-objective evolutionary algorithm, Journal of Applied Geophysics, vol.66, issue.1-2, pp.15-24, 2008.
DOI : 10.1016/j.jappgeo.2008.08.002

D. Moro, G. , and M. Pipan, Joint inversion of surface wave dispersion curves and reflection travel times via multi-objective evolutionary algorithms, Journal of Applied Geophysics, vol.61, issue.1, pp.56-81, 2007.
DOI : 10.1016/j.jappgeo.2006.04.001

D. Moro, G. , M. Pipan, and P. Gabrielli, Rayleigh wave dispersion curve inversion via genetic algorithms and Marginal Posterior Probability Density estimation, Journal of Applied Geophysics, vol.61, issue.1, pp.39-55, 2007.
DOI : 10.1016/j.jappgeo.2006.04.002

A. Dasios, C. Mccann, T. Astin, D. Mccann, and P. Fenning, Seismic imaging of the shallow subsurface: shear-wave case histories, Geophysical Prospecting, vol.44, issue.4, pp.565-591, 1999.
DOI : 10.1190/1.1443155

D. Gaudio, V. , and J. Wasowski, Directivity of slope dynamic response to seismic shaking, Geophysical Research Letters, vol.58, issue.3???4, p.12301, 2007.
DOI : 10.1029/2007GL029842

D. Gaudio, V. , S. Coccia, J. Wasowski, M. R. Gallipoli et al., Detection of directivity in seismic site response from microtremor spectral analysis, Natural Hazards and Earth System Science, vol.8, issue.4, pp.751-762, 2008.
DOI : 10.5194/nhess-8-751-2008

D. Demanet, Tomographie 2D et 3Dà3Dà partir de mesures géophysiques en surface et en forage, 2000.

A. Derode, E. Larose, M. Campillo, and M. Fink, How to estimate the Green???s function of a heterogeneous medium between two passive sensors? Application to acoustic waves, Applied Physics Letters, vol.83, issue.15, pp.83-3054, 2003.
DOI : 10.1063/1.1617373

A. Derode, E. Larose, M. Tanter, J. De-rosny, A. Tourin et al., Recovering the Green's function from field-field correlation in an open medium (L), The Journal of the, pp.2973-2976, 2003.

D. Giulio, G. , A. Rovelli, F. Cara, M. Azzara et al., Long-duration asynchronous ground motions in the Colfiorito plain, central Italy, observed on a two-dimensional dense array, Journal of Geophysical Research: Solid Earth, vol.4, issue.47, p.10, 2003.
DOI : 10.1029/2002JB001929

D. Giulio, G. , C. Cornou, M. Ohrnberger, M. Wathelet et al., Deriving wavefield characteristics and shear-velocity profiles from two-dimensional smallaperture arrays analysis of ambient vibrations in a small-size alluvial basin, pp.1915-1933, 1785.
URL : https://hal.archives-ouvertes.fr/insu-00266188

K. Dines and J. Lyttle, Computerized geophysical tomography, Proceedings of the Institute of Electrical and Electronics Engineers, pp.1065-1073, 1979.
DOI : 10.1109/PROC.1979.11390

R. Dobry, I. Oweis, and A. Urzua, Simplified procedure for estimating the fundamental period of a soil profile, Bulletin of the Seismological Society of American, vol.66, issue.4, pp.1293-1321, 1976.

L. A. Drake, Love and Rayleigh waves in nonhorizontally layered media, pp.1241-1258, 1972.

M. Dravinski, G. Ding, and K. Wen, Analysis of spectral ratios for estimating ground motion in deep basins, pp.646-654, 1996.

Z. Duputel, V. Ferrazzini, F. Brenguier, N. Shapiro, M. Campillo et al., Real time monitoring of relative velocity changes using ambient seismic noise at the Piton de la Fournaise volcano (La R??union) from January 2006 to June 2007, Journal of Volcanology and Geothermal Research, vol.184, issue.1-2, pp.164-173, 2006.
DOI : 10.1016/j.jvolgeores.2008.11.024

T. Duvall, S. Jefferies, J. Harvey, and M. Pomerantz, Time???distance helioseismology, Time distance helioseismology, pp.430-432, 1993.
DOI : 10.1038/362430a0

R. Eslick, G. Tsoflias, and D. Steeples, Field investigation of Love waves in nearsurface seismology, Geophysics, issue.3, pp.73-74, 2008.

L. Y. Faust, SEISMIC VELOCITY AS A FUNCTION OF DEPTH AND GEOLOGIC TIME, GEOPHYSICS, vol.16, issue.2, 1951.
DOI : 10.1190/1.1437658

W. Finn, State-of-the-art of geotechnical earthquake engineering practice, Soil Dynamics and Earthquake Engineering, pp.1-15, 2000.

A. Fontanive, V. Gorelli, and L. Zonetti, Raccolta di informazioni sulle postazioni accelerometriche del Friuli, Commissione ENEA-ENEL per lo studio dei problemi sismici connessi con la realizzazione di impianti nucleari, 1985.

T. Forbriger, Inversion of shallow-seismic wavefields: I. Wavefield transformation, Geophysical Journal International, vol.153, issue.3, pp.719-734, 2003.
DOI : 10.1046/j.1365-246X.2003.01929.x

T. Forbriger, Inversion of shallow-seismic wavefields: II. Inferring subsurface properties from wavefield transforms, Geophysical Journal International, vol.153, issue.3, pp.725-752, 2003.
DOI : 10.1046/j.1365-246X.2003.01985.x

M. Gallipoli, V. Lapenna, P. Lorenzo, M. Mucciarelli, A. Perrone et al., Comparison of geological and geophysical prospecting techniques in the study of a landslide in southern Italy, European Journal of Environmental and Engineering Geophysics, vol.4, pp.117-128, 2000.

A. Giraud, P. Antoine, T. Van-asch, and J. Nieyuwenhuis, Geotechnical problems caused by glaciolacustrine clays in the French Alps, Engineering Geology, vol.31, issue.2, pp.185-195, 1991.
DOI : 10.1016/0013-7952(91)90005-6

C. Gélis, Inversion des formes d'ondé elastique dans le domaine espace-fréquence en deux dimensions ApplicationàApplicationà la caractérisation de la subsurface dans le cadre de la détection de cavités souterraines, 2005.

D. E. Goldberg, Genetic algorithms in search, optimization, and machine learning, 1989.

J. L. Got and O. Coutant, Anisotropic scattering and travel time delay analysis in Kilauea volcano, Hawaii, earthquake coda waves, Journal of Geophysical Research: Solid Earth, vol.101, issue.B4, pp.8397-8410, 1997.
DOI : 10.1029/96JB03731

P. Gouédard, Techniques de corrélation : aspects méthodologiques et applicationsà applications`applicationsà la sub-surface, 2008.

P. Gouédard, Cross-correlation of random fields: mathematical approach and applications, Geophysical Prospecting, vol.29, issue.3, pp.375-393, 2008.
DOI : 10.1046/j.1365-246X.2002.01795.x

J. Graham and G. T. Houlsby, Anisotropic elasticity of a natural clay, G??otechnique, vol.33, issue.2, pp.165-180, 1983.
DOI : 10.1680/geot.1983.33.2.165

G. Grandjean and A. Bitri, 2M-MASW : Multifold and Multichannel seismic inversion of local dispersion of Rayleigh wave in laterally heterogeneous subsurfaces : application to the Super-Sauze earthflow (France, Near Surface Geophysics, pp.367-375, 2006.

S. Gregersen, Surface waves in isotropic, laterally inhomogeneous media, Pure and Applied Geophysics, pp.821-832, 1976.

N. Gucunski and R. D. Wood, Use of Rayleigh modes in interpretation of SASW test, Proc. of the 2nd Int. Conf. on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, pp.1399-1408, 1991.

B. Guillier, C. Cornou, J. Kristek, S. Bonnefoy-claudet, P. Bard et al., Simulation of seismic ambient vibrations : does the H/V provide quantitative information in 2D-3D structure ?, 2006.

R. Hack, Geophysics for slope stablity, Surveys in Geophysics, pp.423-448, 2000.

C. Hadziioannou, E. Larose, O. Coutant, P. Roux, and M. Campillo, Stability of monitoring weak changes in multiply scattering media with ambient noise correlation: Laboratory experiments, The Journal of the Acoustical Society of America, vol.125, issue.6, pp.3688-3695, 2009.
DOI : 10.1121/1.3125345
URL : https://hal.archives-ouvertes.fr/hal-00377456

J. G. Hagedoorn, THE PLUS-MINUS METHOD OF INTERPRETING SEISMIC REFRACTION SECTIONS*, Geophysical Prospecting, vol.14, issue.2, pp.158-182, 1958.
DOI : 10.1111/j.1365-2478.1959.tb01460.x

N. Haskell, The dispersion of surface waves on multi layered media, pp.17-34, 1953.

N. Haskell, waves, Journal of Geophysical Research, vol.21, issue.12, pp.4147-4450, 1960.
DOI : 10.1029/JZ065i012p04147

R. B. Herrmann, Surface wave inversion. Computer program in seismology, 1987.

J. Hunter, B. Benjumea, J. Harris, R. Miller, S. Pullan et al., Surface and downhole shear wave seismic methods for thick soil site investigations, Soil Dynamics and Earthquake Engineering, Burns, vol.22, pp.931-941, 2002.

N. Jobert and G. Jobert, Seismic Tomography, chap. Ray tracing for surface waves, pp.275-300, 1987.

D. Jongmans, L'application de M??thodes de prospection sismique pour la caract??risation des sols en g??nie parasismique, Bulletin of the International Association of Engineering Geology, vol.39, issue.1, pp.63-69, 1992.
DOI : 10.1007/BF02595035

D. Jongmans and D. Demanet, The importance of surface waves in vibration study and the use of Rayleigh waves for estimating the dynamic characteristics of soils, Engineering Geology, vol.34, issue.1-2, pp.105-113, 1993.
DOI : 10.1016/0013-7952(93)90046-F

D. Jongmans and S. Garambois, Geophysical investigation of landslides : a review, Bulletin de la Societe Geologique de France, vol.178, issue.2, pp.101-112, 2007.
DOI : 10.2113/gssgfbull.178.2.101
URL : https://hal.archives-ouvertes.fr/hal-00196268

D. Jongmans, F. Renalier, U. Kniess, G. Bì-evre, S. Schwartz et al., Characterization of the Avignonet landslide (French Alps) using seismic techniques, 10th International Symposium on Landslides and Engineered Slopes, pp.395-401, 2008.
URL : https://hal.archives-ouvertes.fr/insu-00338959

D. Jongmans, G. Bì-evre, S. Schwartz, F. Renalier, N. Beaurez et al., Geophysical investigation of a large landslide in glaciolacustrine clays in theTrì eves area (French Alps), Engineering Geology, pp.45-56, 2009.

H. Kagami, C. M. Duke, G. C. Liang, and Y. Ohta, Observation of 1-to 5-second microtremors and their application to earthquake engineering. Part II. Evaluation of site effect upon seismic wave amplification due to extremely deep soil deposits, pp.987-998, 1982.

H. Kagami, S. Okada, K. Shiono, M. Oner, M. Dravinski et al., Observation of 1-to 5-second microtremors and their application to earthquake engineering, 1986.

I. Part, A two-dimensional study of site effects in the San Fernando Valley, pp.1801-1812

. Keilis-borok, Seismic surface waves in a laterally inhomogeneous earth, 1986.
DOI : 10.1007/978-94-009-0883-3

A. Köhler, M. Ohrnberger, F. Scherbaum, M. Wathelet, and C. Cornou, Assessing the reliability of the modified three-component spatial autocorrelation technique, Geophysical Journal International, vol.168, issue.2, pp.779-796, 2007.
DOI : 10.1111/j.1365-246X.2006.03253.x

D. Kim and H. Park, Evaluation of ground densification using spectral analysis of surface waves (SASW) and resonant column (RC) tests, Canadian Geotechnical Journal, vol.36, issue.2, pp.291-299, 1999.
DOI : 10.1139/t98-103

F. Kind, D. Fäh, and D. Giardini, Array measurements of S-wave velocities from ambient vibrations, Geophysical Journal International, vol.160, issue.1, pp.114-126, 2005.
DOI : 10.1111/j.1365-246X.2005.02331.x

U. Kniess, D. Jongmans, E. Pathier, S. Schwartz, G. Bì et al., Influence of bedrock topography on the kinematics of two clayey landslides in theTrì eves (French Alps, Proceedings of the Landslide Processses conference, pp.145-149, 2009.

K. Konno and T. Ohmachi, Ground-motion characteristics estimated from spectral ratio between horizontal and vertical components of microtremor, pp.228-241, 1998.

J. T. Kuo and G. A. Thompson, Model studies on the effect of a sloping interface on Rayleigh waves, Journal of Geophysical Research, vol.19, issue.22, pp.6187-6197, 1963.
DOI : 10.1029/JZ068i022p06187

C. Lachet and P. Bard, Numerical and Theoretical Investigations on the Possibilities and Limitations of Nakamura's Technique., Journal of Physics of the Earth, vol.42, issue.5, pp.377-397, 1994.
DOI : 10.4294/jpe1952.42.377

R. Lacoss, E. J. Kelly, and M. N. Toksöz, Estimation of seismic noise using arrays, 1969.

C. G. Lai, Simultaneous inversion of Rayleigh phase velocity and attenuation for near-surface site characterization, 1998.

E. Larose, Mesoscopics of ultrasound and seismic waves: application to passive imaging, Annales de Physique, vol.31, issue.3, p.31, 2006.
DOI : 10.1051/anphys:2007001
URL : https://hal.archives-ouvertes.fr/hal-00276840

E. Larose, A. Derode, M. Campillo, and M. Fink, Imaging from one-bit correlation of wide-band diffuse wavefield, Journal of Applied Physics, issue.12, pp.95-8393, 2004.

E. Larose, P. Roux, M. Campillo, and A. Derode, Fluctuations of correlations and Green???s function reconstruction: Role of scattering, Journal of Applied Physics, vol.103, issue.11, p.114907, 2008.
DOI : 10.1063/1.2939267

T. Lay and T. Wallace, Modern global seismology, 1995.

L. Lenti, S. Martino, A. Paciello, G. Scarascia, and . Mugnozza, Evidences of twodimensional amplification effects in an alluvial valley (Valnerina, Italy) from velocimetric records and numerical models, pp.1612-1635, 2009.

O. Lobkis and R. L. Weaver, On the emergence of the Green???s function in the correlations of a diffuse field, The Journal of the Acoustical Society of America, vol.110, issue.6, pp.3011-3017, 2001.
DOI : 10.1121/1.1417528

L. Lorier and P. Desvarreux, Glissement du Mas d'Avignonet, commune d'Avignonet, Proceedings of the workshop Ryskhydrogeo, Program Interreg III, p.8, 2004.

Y. Luo, J. Xia, J. Liu, Q. Liu, and S. Xu, Joint inversion of high-frequency surface waves with fundamental and higher modes, Journal of Applied Geophysics, vol.62, issue.4, pp.375-384, 2007.
DOI : 10.1016/j.jappgeo.2007.02.004

Y. Luo, J. Xia, J. Liu, Y. Xu, and Q. Liu, Research on the middle-of-receiver-spread assumption of the MASW method, Soil Dynamics and Earthquake Engineering, vol.29, issue.1, pp.71-79, 2009.
DOI : 10.1016/j.soildyn.2008.01.009

J. Malet and O. Maquaire, Black marls earthflows mobility and long-term seasonal dynamic in southeastern France, in Internation Conference on Fast Slope Movements : Prediction and Prevention for Risk Mitigation, pp.333-340, 2003.

K. Mosegaard and A. Tarantola, Monte Carlo sampling of solutions to inverse problems, Journal of Geophysical Research: Solid Earth, vol.10, issue.6, pp.431-12447, 1995.
DOI : 10.1029/94JB03097

L. Mota, DETERMINATION OF DIPS AND DEPTHS OF GEOLOGICAL LAYERS BY THE SEISMIC REFRACTION METHOD, GEOPHYSICS, vol.19, issue.2, pp.242-254, 1954.
DOI : 10.1190/1.1437988

C. Moulin and C. Chapeau, Le glissement de la Salle en Beaumont (Isère), Proceedings of the workshop Ryskhydrogeo, Program Interreg III, p. 9 p, 2004.

C. Moulin and Y. Robert, Le glissement de lHarmalì ere sur la commune de Sinard, Proceedings of the workshop Ryskhydrogeo, Program Interreg III, p.11, 2004.

O. Méric, Etude des mouvements de terrain par mesures géophysiques, 2006.

O. Méric, S. Garambois, J. Malet, H. Cadet, P. Gueguen et al., Seismic noise-based methods for soft-rock landslide characterization, Bulletin de la Societe Geologique de France, vol.178, issue.2, pp.137-148, 2007.
DOI : 10.2113/gssgfbull.178.2.137

Y. Nakamura, A method for dynamic characteristics estimation of subsurface using microtremor on the ground surface, Quarterly Report of Railway Technical Research Institute (RTRI), vol.30, issue.1, 1989.

S. Nazarian and K. H. Stokoe, In situ shear wave velocities from spectral analysis of surface waves, Proceedings of the 8th Conference on Earthquake Engineering, pp.31-38, 1984.

F. Nguyen, G. Van-rompaey, H. Teerlynck, M. Van-camp, D. Jongmans et al., = 5.0 June 11 1938 earthquake, Journal of Seismology, vol.8, issue.1, pp.41-56, 1938.
DOI : 10.1023/B:JOSE.0000009498.84531.71

G. Nolet, Linearized inversion of (tele)seismic data, chap. The solution of the inverse problem in geophysical interpretation, pp.9-37, 1981.

G. Nolet, Seismic Tomography, chap. Seismic wave propagation and seismic tomography, pp.1-23, 1987.

G. Nolet, A Breviary of Seismic Tomography, 2008.
DOI : 10.1017/CBO9780511984709
URL : https://hal.archives-ouvertes.fr/hal-00408311

C. Nunziata, G. D. Nisco, and G. Panza, S-waves profiles from noise cross correlation at small scale, Engineering Geology, vol.105, issue.3-4, pp.161-170, 2009.
DOI : 10.1016/j.enggeo.2009.01.005

M. Ohrnberger, D. Vollmer, and F. Scherbaum, WARAN -a mobile wireless array analysis system for in-field ambient vibration dispersion curve estimation, 1st European Conference on European Engineering and Seismology, ECEES, pp.3-8, 2006.

Y. Ohta, H. Kagami, N. Goto, and K. Kudo, Observation of 1-to 5-second microtremors and their application to earthquake engineering. Part I : Comparison with long-period accelerations at the Tokachi-Oki earthquake of, pp.767-779, 1968.

H. Okada, The microseismic survey method, Society of Exploration Geophysicists of Japan. Translated by Koya Suto, Geophysical Monographs, vol.12, 2003.

O. Neill and A. , Shear wave velocity model appraisal in shallow surface wave inversion, Proceedings of the ISC-2 on Geotechnical and Geophysical Site Characterization, pp.539-546, 2004.

S. Palazzo, Progetto Irpinia -Elaborazione dei risultati delle indagini geotecniche in sito ed in laboratorio eseguite nelle postazioni accelerometriche di Bagnoli Irpino, Direzione delle Costruzioni, 1991.

D. Palmer, An Introduction to the generalized reciprocal method of seismic refraction interpretation, GEOPHYSICS, vol.46, issue.11, pp.46-1508, 1969.
DOI : 10.1190/1.1441157

R. Paolucci, Amplification of earthquake ground motion by steep topographic irregularities, Earthquake Engineering & Structural Dynamics, vol.33, issue.10, pp.31-1831, 2002.
DOI : 10.1002/eqe.192

C. Park, R. Miller, and J. Xia, Multichannel analysis of surface waves, GEOPHYSICS, vol.64, issue.3, pp.800-808, 1999.
DOI : 10.1190/1.1444590

C. B. Park, R. D. Miller, J. Xia, and J. Ivanov, Multichannel analysis of surface waves (MASW) -active and passive methods, The Leading Edge, pp.60-64, 2007.

S. Parolai, M. Picozzi, S. M. Richwalski, and C. Milkereit, Joint inversion of phase velocity dispersion and H/V ratio curves from seismic noise recordings using a genetic algorithm, considering higher modes, Geophysical Research Letters, vol.53, issue.1, pp.10-1029, 2005.
DOI : 10.1029/2004GL021115

S. Parolai, S. Richwalski, C. Milkereit, and D. Faëh, S-wave Velocity Profiles for Earthquake Engineering Purposes for the Cologne Area (Germany), Bulletin of Earthquake Engineering, vol.16, issue.1???2, pp.65-94, 2006.
DOI : 10.1007/s10518-005-5758-2

A. Paul, M. Campillo, L. Margerin, E. Larose, and A. Derode, Empirical synthesis of time-asymmetrical Green functions from the correlation of coda waves, Journal of Geophysical Research, vol.39, issue.5, p.8302, 2005.
DOI : 10.1029/2004JB003521

G. Poupinet, W. L. Ellsworth, and J. Fréchet, Monitoring velocity variations in the crust using earthquake doublets: An application to the Calaveras Fault, California, Journal of Geophysical Research: Solid Earth, vol.42, issue.4, pp.5719-5731, 1984.
DOI : 10.1029/JB089iB07p05719

G. Poupinet, A. Ratdomopurbo, and O. Coutant, On the use of eartquake multiplets to study fractures and the temporal evolution of an active volcano, Annali di Geofisica, vol.39, issue.2, pp.253-264, 1996.

D. Pradel, P. M. Smith, J. P. Stewart, and G. Raad, Case History of Landslide Movement during the Northridge Earthquake, Journal of Geotechnical and Geoenvironmental Engineering, vol.131, issue.11, pp.131-1360, 2005.
DOI : 10.1061/(ASCE)1090-0241(2005)131:11(1360)

D. Raptakis, N. Theodulidis, and K. Pitilakis, Data Analysis of the Euroseistest Strong Motion Array in Volvi (Greece): Standard and Horizontal???to???Vertical Spectral Ratio Techniques, Earthquake Spectra, vol.14, issue.1, pp.203-22410, 1998.
DOI : 10.1193/1.1585996

A. Ratdomopurbo and G. Poupinet, Monitoring a temporal change of seismic velocity in a volcano: Application to the 1992 eruption of Mt. Merapi (Indonesia), Geophysical Research Letters, vol.92, issue.7, pp.22-775, 1995.
DOI : 10.1029/95GL00302

F. Renalier, D. Jongmans, M. Campillo, and P. Bard, Vs imaging of the Avignonet landslide using ambient noise cross-correlation, 2009.

T. Rikitale, Earthquake prediction, 1976.

M. H. Ritzwoller and A. L. Levshin, Eurasian surface wave tomography: Group velocities, Journal of Geophysical Research: Solid Earth, vol.117, issue.46, pp.4839-4878, 1998.
DOI : 10.1029/97JB02622

D. Roten and D. Fäh, A combined inversion of Rayleigh wave dispersion and 2-D resonance frequencies, Geophysical Journal International, vol.168, issue.3, pp.1261-1275, 2007.
DOI : 10.1111/j.1365-246X.2006.03260.x

D. Roten, D. Fäh, C. Cornou, and D. Giardini, Two-dimensional resonances in Alpine valleys identified from ambient vibration wavefields, Geophysical Journal International, vol.165, issue.3, pp.889-905, 2006.
DOI : 10.1111/j.1365-246X.2006.02935.x
URL : https://hal.archives-ouvertes.fr/insu-00372720

P. Roux, Passive seismic imaging with directive ambient noise: application to surface waves and the San Andreas Fault in Parkfield, CA, Geophysical Journal International, vol.179, issue.1, pp.367-373, 2009.
DOI : 10.1111/j.1365-246X.2009.04282.x
URL : https://hal.archives-ouvertes.fr/insu-00447731

P. Roux, K. G. Sabra, W. A. Kuperman, and A. Roux, Ambient noise cross correlation in free space: Theoretical approach, The Journal of the Acoustical Society of America, vol.117, issue.1, pp.79-84, 2005.
DOI : 10.1121/1.1830673

K. G. Sabra, P. Roux, and W. A. Kuperman, Emergence rate of the time-domain Green???s function from the ambient noise cross-correlation function, The Journal of the Acoustical Society of America, vol.118, issue.6, pp.3524-3531, 2005.
DOI : 10.1121/1.2109059

M. Sambridge, Geophysical inversion with a neighbourhood algorithm-I. Searching a parameter space, Geophysical Journal International, vol.138, issue.2, pp.479-494, 1999.
DOI : 10.1046/j.1365-246X.1999.00876.x

I. Sanchez-salinero, Analytical investigation of seismic methods used for engineering applications, 1987.

F. J. Sánchez-sesma and M. Campillo, Retrieval of the Green's Function from Cross Correlation: The Canonical Elastic Problem, Bulletin of the Seismological Society of America, vol.96, issue.3, pp.1182-1191, 2006.
DOI : 10.1785/0120050181

F. J. Sánchez-sesma, J. Pérez-ruiz, M. Campillo, and F. Luzón, Elastodynamic 2D Green function retrieval from cross-correlation: Canonical inclusion problem, Geophysical Research Letters, vol.116, issue.13, p.13305, 2008.
DOI : 10.1029/2006GL026454

T. Satoh, H. Kawase, and S. Matsushima, Estimation of S-Wave Velocity Structures in and around the Sendai Basin, Japan, Using Array Records of Microtremors, Bulletin of the Seismological Society of America, vol.91, issue.2, pp.206-218, 2001.
DOI : 10.1785/0119990148

R. Schepers, G. Rafat, C. Gelbke, and B. Lehmann, Application of borehole logging, core imaging and tomography to geotechnical exploration, International Journal of Rock Mechanics and Mining Sciences, vol.38, issue.6, pp.867-876, 2001.
DOI : 10.1016/S1365-1609(01)00052-1

F. Scherbaum, K. Hinzen, and M. Ohrnberger, Determination of shallow shear wave velocity profiles in the Cologne, Germany area using ambient vibrations, Geophysical Journal International, vol.152, issue.3, pp.597-612, 2003.
DOI : 10.1046/j.1365-246X.2003.01856.x

J. W. Schlue and K. K. Hostettler, Rayleigh wave phase velocities and amplitude values in the presence of lateral heterogeneities, pp.244-255, 1987.

P. B. Schnabel, J. Lysmer, and H. B. Seed, SHAKE : a computer program for earthquake response analysis of horizontally layered sites, 1972.

C. Sens-schönfelder and U. Wegler, Passive image interferometry and seasonal variations of seismic velocities at Merapi Volcano, Indonesia, Geophysical Research Letters, vol.33, issue.3, p.21302, 2006.
DOI : 10.1029/2006GL027797

. Sesame-project, Guidelines for the implementation of the H/V spectral ratio technique on ambient vibrations. Measurements, processing and interpretation, Tech. rep., EC project SESAME, WP05 Instrumental layout for array measurements Deliverable D23, 2004.

. Sesame-project, User manual for software package CAP -a continuous array processing toolkit for ambient vibration array analysis, 2004.

N. Shapiro and M. Campillo, Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise, Geophysical Research Letters, vol.110, issue.B12, pp.31-07614, 2004.
DOI : 10.1029/2004GL019491
URL : https://hal.archives-ouvertes.fr/hal-00107919

N. Shapiro, M. Campillo, L. Stehly, and M. Ritzwoller, High-Resolution Surface-Wave Tomography from Ambient Seismic Noise, Science, vol.307, issue.5715, pp.1615-1618, 2005.
DOI : 10.1126/science.1108339
URL : https://hal.archives-ouvertes.fr/hal-00107913

R. Snieder, Extracting the Green???s function from the correlation of coda waves: A derivation based on stationary phase, Physical Review E, vol.69, issue.4, p.46610, 2004.
DOI : 10.1103/PhysRevE.69.046610

R. Snieder, A. Grêt, H. Douma, and J. Scales, Coda Wave Interferometry for Estimating Nonlinear Behavior in Seismic Velocity, Science, vol.295, issue.5563, pp.2253-2255, 2002.
DOI : 10.1126/science.1070015

L. Socco and D. Boiero, Improved Monte Carlo inversion of surface wave data, Geophysical Prospecting, pp.357-371, 2008.

L. Socco, D. Boiero, C. Comina, S. Foti, and R. W-`-isén, Seismic characterization of an Alpine site, Near Surface Geophysics, vol.6, issue.29, pp.255-267, 2008.
DOI : 10.3997/1873-0604.2008020

L. V. Socco and C. Strobbia, Surface-wave method for near-surface characterization: a tutorial, Near Surface Geophysics, vol.2, issue.22, pp.165-185, 2004.
DOI : 10.3997/1873-0604.2004015

P. Sommerville and R. Graves, Characterization of earthquake strong ground motion, Pure and Applied Geophysics, p.1811, 2003.

W. Spackman and H. Bijwaard, Optimization of cell parameterizations for tomographic inverse problems, Pure and Applied Geophysics, pp.1401-1423, 2001.

P. Spudich, M. Hellweg, and M. H. Lee, Directional topographic site response at Tarzana observed in aftershocks of the 1994 Northridge, California, Earthquake : implications for mainshock motions, pp.86-193, 1996.

L. Stehly, Tomographiè a partir de bruit de fond sismique, 2007.

L. Stehly, M. Campillo, and N. M. Shapiro, A study of the seismic noise from its long-range correlation properties, Journal of Geophysical Research, vol.96, issue.13, p.10306, 2006.
DOI : 10.1029/2005JB004237
URL : https://hal.archives-ouvertes.fr/insu-00270300

L. Stehly, M. Campillo, and N. M. Shapiro, Traveltime measurements from noise correlation: stability and detection of instrumental time-shifts, Geophysical Journal International, vol.171, issue.1, pp.223-230, 2007.
DOI : 10.1111/j.1365-246X.2007.03492.x
URL : https://hal.archives-ouvertes.fr/hal-00315603

S. Stein and M. Wyssession, An introduction to seismology, earthquakes and earth structure, 2003.

R. Stockwell, A basis for efficient representation of the S-transform, Digital Signal Processing, vol.17, issue.1, pp.371-393, 2007.
DOI : 10.1016/j.dsp.2006.04.006

R. G. Stockwell, L. Mansinha, and R. P. Lowe, Localization of the complex spectrum: the S transform, IEEE Transactions on Signal Processing, vol.44, issue.4, pp.998-1001, 1996.
DOI : 10.1109/78.492555

K. H. Stokoe, S. G. Wright, J. A. Bay, and J. M. Roesset, Geophysical characterization of sites, chap. Characterization of sites by SASW method, pp.15-25, 1994.

W. Thomson, Transmission of Elastic Waves through a Stratified Solid Medium, Journal of Applied Physics, vol.21, issue.2, pp.89-93, 1950.
DOI : 10.1063/1.1699629

K. Tokimatsu, Geotechnical site characterization using surface waves, First International Conference on Earthquake and Geotechnical Engineering, pp.1333-1368, 1997.

K. Tokimatsu, S. Tamura, and H. Kojima, Effects of Multiple Modes on Rayleigh Wave Dispersion Characteristics, Journal of Geotechnical Engineering, vol.118, issue.10, pp.1529-1543, 1992.
DOI : 10.1061/(ASCE)0733-9410(1992)118:10(1529)

B. E. Tucker and J. L. King, Dependence of sediment-filled valley response on input amplitude and valley properties, pp.153-166, 1984.

H. Uebayashi, Extrapolation of Irregular Subsurface Structures Using the Horizontal-to-Vertical Spectral Ratio of Long-Period Microtremors, Bulletin of the Seismological Society of America, vol.93, issue.2, pp.93-570, 2003.
DOI : 10.1785/0120020137

T. Van-asch, M. Hendriks, R. Hessel, and F. Rappange, Hydrological triggering conditions of landslides in varved clays in the French Alps, Engineering Geology, vol.42, issue.4, pp.239-251, 1996.
DOI : 10.1016/0013-7952(95)00082-8

M. Wathelet, Array recordings of ambient vibrations : surface-wave inversion, 2005.

M. Wathelet, An improved neighborhood algorithm: Parameter conditions and dynamic scaling, Geophysical Research Letters, vol.2, issue.24, pp.10-1029, 2008.
DOI : 10.1029/2008GL033256
URL : https://hal.archives-ouvertes.fr/insu-00335912

M. Wathelet, D. Jongmans, and M. Ohrnberger, Surface wave inversion using a direct search algorithm and its application to ambient vibration measurements, Near Surface Geophysics, pp.211-221, 2004.

M. Wathelet, D. Jongmans, M. Ohrnberger, and S. Bonnefoy-claudet, Array performances for ambient vibrations on a shallow structure and consequences over V s inversion, Journal of Seismology, vol.38, issue.1, pp.1-19, 2008.
DOI : 10.1007/s10950-007-9067-x

R. Weaver and O. Lobkis, Ultrasonics without a Source: Thermal Fluctuation Correlations at MHz Frequencies, Physical Review Letters, vol.87, issue.13, p.301, 2001.
DOI : 10.1103/PhysRevLett.87.134301

R. L. Weaver, Information from seismic noise, Science, issue.5715, pp.307-1568, 2005.

R. L. Weaver and O. Lobkis, Fluctuations in diffuse field???field correlations and the emergence of the Green???s function in open systems, The Journal of the Acoustical Society of America, vol.117, issue.6, pp.3432-3439, 2005.
DOI : 10.1121/1.1898683

J. Xia, R. Miller, and C. Park, Estimation of near???surface shear???wave velocity by inversion of Rayleigh waves, GEOPHYSICS, vol.64, issue.3, pp.691-700, 1999.
DOI : 10.1190/1.1444578

H. Yamanaka and H. Ishida, Application of genetic algorithms to an inversion of surface wave dispersion data, pp.436-444, 1996.

H. Yao, R. Van-der, M. Hilst, and . De-hoop, Surface-wave array tomography in SE Tibet from ambient seismic noise and two-station analysis - I. Phase velocity maps, Geophysical Journal International, vol.166, issue.2, pp.732-744, 2006.
DOI : 10.1111/j.1365-246X.2006.03028.x

D. J. Zywicki, Advanced signal processing methods applied to engineering analysis of surface waves, 1999.