Tomographic study of the seismic velocity at the Soultz-sous-Forêts EGS/HDR site

Beauce, 1992, Seismic studies on the HDR site of Soultz-sous-Forêts (Alsace, France), 239 Benderitter, 1995, Structural control of deep fluid circulation at the Soultz HDR site, France: a review, Geotherm. Sci. Technol., 4, 227 Bérard, 2003, Evidence of thermally induced borehole elongation: a case study at Soultz, France, J. Rock Mech. Min. Sci. Geomech. Abstr., 40, 1121, 10.1016/S1365-1609(03)00118-7 Cuenot, N., Dorbath, C., Dorbath, L., submitted. Analysis of the microseismicity induced by fluid injections at the Hot Dry Rock site of Soultz-sous-Forêts (Alsace, France): implications for the characterization of the geothermal reservoir properties. Pure Appl. Geophys. Dezayes, Ch., Genter, A., Homeier, G., Degouy, M., Stein, G., 2003. Geological study of GPK3 HFR borehole (Soultz-sous-Forêts, France). BRGM/RP-52311-FR, 128 pp. Helm, J.A., 1996. The natural seismic hazard and induced seismicity of the European Hot Dry Rock geothermal energy project at Soultz-sous-Forêts (Bas-Rhin, France). Thèse de Doctorat. Ecole et Observatoire des Sciences de la Terre, Université Louis Pasteur (Strasbourg I), 197 pp. Ito, 1979, Compressional and shear waves in saturated rock during water–steam transition, J. Geophys. Res., 84, 4731, 10.1029/JB084iB09p04731 Klee, 1993, Hydrofrac stress data for the European HDR research project test site Soultz-sous-Forêts, Int. J. Rock Mech. Min. Sci. Geomech. Abstr., 30, 973, 10.1016/0148-9062(93)90054-H Klein, F.W., 1978. Hypocenter location program—HYPOINVERSE: users guide to versions 1, 2, 3 and 4. U.S. Geol. Surv. Open File Report 78-694, 113 pp. Leonard, 1999, Multi-component autoregressive techniques for the analysis of seismograms, Phys. Earth Planet. Interiors, 113, 247, 10.1016/S0031-9201(99)00054-0 Nur, 1969, The effect of saturation on velocity in low porosity rocks, Earth Planet. Sci. Lett., 7, 183, 10.1016/0012-821X(69)90035-1 Paige, 1982, LSQR: sparse linear equation and least squares problem, ACM Trans. Math. Softw., 8, 195, 10.1145/355993.356000 Rummel, 1991, Hydraulic fracturing stress measurements in the GPK1 borehole, Soultz-sous-Forêts, Geotherm. Sci. Technol., 3, 119 Tenzer, 1991, Determination of planar discontinuities and borehole geometry in the crystalline rock of borehole GPK1 at Soultz-sous-Forêts, Geotherm. Sci. Technol., 3, 31 Thurber, 1983, Earthquake locations and three-dimensional crustal structure in the Coyote Lake area, central California, J. Geophys. Res., 88, 8226, 10.1029/JB088iB10p08226 Waldhauser, F., 2001. hypoDD: a computer program to compute double difference hypocenter locations. U.S. Geological Survey Open File Report 01-113, 25 pp. Wyllie, 1956, Elastic wave velocities in heterogeneous and porous media, Geophysics, 21, 41, 10.1190/1.1438217 Wyllie, 1958, An experimental investigation of factors affecting elastic wave velocities in porous media, Geophysics, 23, 459, 10.1190/1.1438493 Zhang, 2003, Double-difference tomography: the method and its application to the Hayward fault, California, Bull. Seismol. Soc. Am., 93, 1875, 10.1785/0120020190