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Research Highlights


Michael C. Fehler

EES Division Leader & Seismologist

Proud DaDa to Lillian Ada Fehler born 9/21/93. Other leisure activities include include watching Lillian grow, master's swimming (when not on travel), and hiking.


  • Phone - 505-667-1925
  • FAX - 505-667-8487

Current Research Interests


  • Ph.D., Geophysics, Massachusetts Institute of Technology, 1979
  • B.A,, Physics, Reed College, 1974

Professional Experience

  • Staff Scientist, Los Alamos National Laboratory, 1984 - present
  • Assistant Professor, Oregon State University, 1979-1984


Selected Publications


Sato, H., and M. Fehler, Seismic Wave Propagation and Scattering in the Heterogeneous Earth, American Institute of Physics Press, 1998.

Recent Peer Reviewed Publications

Phillips, W. S., James T. Rutledge, Leigh S. House, Michael C. Fehler, Induced Microearthquake Patterns in Hydrocarbon and Geothermal Reservoirs, In Press, PAGEOPH Special Edition on Induced Seismicity - 872 KB PDF File

Huang, L.-J., and M. Fehler, Globally optimized Fourier finite-difference migration method, in press, 2000.

Rowe, C.A. , R.C. Aster, W.S. Phillips, R.H.Jones, B.Borchers and M.C. Fehler, Using Automated, High-Precision Repicking to Improve Delineation of Microseismic Structures at the Soultz Geothermal Reservoir, PAGEOPH, - 176 KB PDF File

Fehler, Michael, Andy Jupe, and Iroshi Asanuma, More Than Cloud: New techniques for characterizing reservoir structure using induced seismicity - 3.2 MB PDF File

Fehler, Michael and Haruo Sato, Coda - 320 KB PDF File

Starzec, Peter, Michael Fehler, Roy Baria, and Hiroaki Niitsuma, Spatial Correlation of Seismic Slip at the HDR-Soultz Geothermal Site: Qualitative Approach Bulletin of the Seismological Society of America, 90, 6, pp. 1528-1534, December 2000 - 152 KB PDF File

Sato, H. , M. Fehler, and R.-S. Wu, Scattering and attenuation of seismic waves in the lithosphere, in press in Handbook of Earthquake and Engineering Seismology, W.H.K. Lee, Editor, Academic Press, 2000. - 392 KB PDF File

Fehler, M., H. Sato, and L.-J. Huang, Envelope broadening of outgoing waves in 2D random media: a comparison between the Markov approximation and numerical simulations, Bull. Seismol. Soc. Am. 90, 914-928, 2000. - 364 KB PDF File

Michael Fehler, W. Scott Phillips, Leigh House, Rob Jones, Richard Aster and Charlotte Rowe, A Method for Improving Relative Earthquake Locations, Bull. Seismol. Soc. Am. 90, 775-780, 2000. - 156 KB PDF File

Huang, L.-J. and M. Fehler, Quasi-Born Fourier Migration, Geophys. J. Int. 140, 521-534, 2000.

Huang, L.-J., P. Mora, and M. Fehler, Absorbing boundary and free surface conditions in the phononic lattice solid by interpolation, Geophys. J. Int. 14, 147-157, 2000.

Anca C. Rosca, Thomas M. Hearn, and Michael C. Fehler, Upper Mantle Velocity Structure of the Southern Great Basin, submitted, 1999.

Huang, L-J., M. Fehler, Peter Roberts, and Charles C. Burch, Extended local Rytov Fourier migration method, Geophysics 64 1535-1545, 1999.

Huang, L-J., M. Fehler, and R-S. Wu, Extended local Born migration in complex media, Geophysics 64 1245-1534, 1999.

Niitsuma, H., M. Fehler, R. Jones, S. Wilson, J. Albright, and many others, Current Status of Seismic and Borehole Measurements for HDR/HWR Development, Geothermics, 28 , 275-490, 1999.

Huang, L-J., M. Fehler, and C. Burch, A hybrid local Born/Rytov Fourier migration method, SPIE Proceedings Series 3453 14-25, 1998.

Trifu, C., and M. Fehler, Preface to Sepcial issue on "New Trends in Seismological Research: Studies of Seismicity Induced by Mining, Petroleum, and Geothermal Activities, Tectonphysics, 289, vii-ix, 1998.

Steck, L. W. Lutter, M. Fehler, C. Thurber, P. Roberts, W. Baldridge, D. Stafford, and R. Sessions, Crust and upper mantle P-wave velocity structure beneath the Valles Caldera, New Mexico: Results from the JTEX Teleseismic experiment, J. Geophys. Res., B10 24,301-24,320, 1998.

Yomogida. K., R.Benites, P. Roberts, and M. Fehler, Scattering of Elastic Waves in 2-D Composite Media II: Waveforms and Spectra, Phys. Earth Planet. Interior., 104 175-192, 1997.

Other Selected Publications

Fehler, M. L., House, W. S. Phillips, and R. Potter, A method to allow temporal variation of velocity in travel-time tomography using microearthquakes induced during hydraulic fracturing, Tectonphysics, 289 189-202 1998.

Benites, R., P. Roberts, K. Yomogida, and M. Fehler, Scattering of Elastic Waves in 2-D Composite Media I: Theory and Test, Phys. Earth Planet. Interior., 104 161-173, 1997.

Huang, L-J., and M. Fehler, Accuracy analysis of the split-step Fourier propagator: implications for seismic modeling and migration, Bull. Seismol. Soc. Am., 88 18-29, 1998.

Baldridge, W. S., L. Braile, M.. Fehler, and F. Moreno, Science and sociology butt heads in tomography experiment in sacred mountaint, EOS, Trans. Am. Geophys. Un. 78, 417-423, 1997.

Phillips, W.S., L. House, and M. Fehler, Detailed joint structure in a geothermal reservoir from studies of induced microearthquake clusters, J. Geophys. Res. , 108, 11745-11763, 1997.

Nishimura, T. M. Fehler, W. S. Baldridge, P. Roberts, and L. Steck, Heterogeneous structure around the Jemez Volcanic field, New Mexico, USA, as inferred from envelope inversion of active experiment seismic data, Geophysical Journal International, 131, 667-681,1997.

House, L., M. Fehler, J. Barhen, F. Aminzadeh, and S. Larsen, A national laboratory-industry collaboration to use SEG/EAEG model datasets", The Leading Edge, 15, p 135-136, 1996. (Feb 1996).

Roberts, P. M., K. Aki and M. C. Fehler (1995). A Shallow Attenuating Anomaly Inside the Ring Fracture of the Valles Caldera, New Mexico, J. Volcanol. Geotherm. Res.,67, 79-99.

Lutter, W. J., P. M. Roberts, C. H. Thurber, L. Steck, M. C. Fehler, D. G. Stafford, W. S. Baldridge and T. A. Zeichert (Teleseismic P-wave Image of the Crust and Upper Mantle Structure beneath the Valles Caldera, New Mexico: Initial Results from the 1993 JTEX Passive Array, Geophys. Res. Lett., 22: 505-508, 1995.

Hartse, H., W.S. Phillips, M. Fehler, and L. House Single Station Spectral Discrimination Using Coda Waves, Bull. Seism. Soc. Am.,85,1464-1474, 1995.

Block, L., C. Cheng, M. Fehler, and W.S. Phillips, Seismic imaging of the velocity structure in the vicinity of a hydrofrac in a geothermal reservoir, Geophysics, 59, 102-112, 1994.

Hartse, H., R. Aster, M. Fehler, J. Scott and F. Vernon, Evidence for small-scale stress heterogeneity in the Anza seismic gap, Southern California, J. Geophys. Res., 99,6801-6818, 1994.

Hearn, T., A. Rosca, and M. Fehler, Pn tomography beneath the southern Great Basin, Geophysical Research Letters, 21, 2187-2190, 1994.

Roberts, P. M., W. S. Phillips and M. C. Fehler Development of the Active Doublet Method for Measuring Small Velocity and Attenuation Changes in Solids, J. Acoust. Soc. Am., 91: 3291-3302, 1992.

Fehler, M., M. Hoshiba, H. Sato and K. Obara, Separation of scattering and intrinsic attenuation for the Kanto-Tokai region, Japan, using measurements of S-wave energy versus hypocentral distance, Geophysical J. Int., 108, 787-790, 1992.

Roberts, P. M., K. Aki and M. C. Fehler , A Low-Velocity Zone in the Basement Beneath the Valles Caldera, New Mexico, J. Geophys. Res., 96: 21583-21596, 1991.

Hoshiba, M., H. Sato, and M. Fehler, Numerical basis of the separation of scattering and intrinsic absorption from total attenuation: a Monte Carlo simulation of multiple isotropic scattering, Papers in Meteorology and Geophysics, Meteorological Research Institute (Japan), 42, 54-91, 1991.

Figures from Talks at MGSS Summer School 2000

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