toksoz@mit.edu
M. Nafi Toksöz
 Founder, Earth Resources Laboratory
 Robert R. Shrock Professor of Geophysics, Emeritus
 PhD, Geophysics, California Inst. of Tech.
Biographical Overview
Nafi Toksöz received his PhD in geophysics from the California Institute of Technology. He has been on the faculty of the Earth Atmospheric and Planetary Sciences Department at MIT since 1965. He founded the Earth Resources Laboratory (ERL) in 1982 and served as its Director until 1998.
Professor Toksöz has had a most distinguished career and made major scientific contributions in many areas of geophysics including: seismic exploration, plate tectonics, planetary interiors, earthquake seismology, and imaging. He is the author or coauthor of more than 300 technical papers in geophysics, including many articles on geophysics and seismology. He has edited many books and served on numerous editorial boards of scientific journals. Professor Toksöz continues to serve on scientific advisory and review committees for U.S. government agencies, universities, international organizations, and industry. His academic activities include teaching, leading several research projects, and advising a number of graduate students. He has mentored over 100 postdoctoral students.
Dr. Toksöz has been recognized for his contribution to science on many occasions during his career. Notable awards include the Harry Fielding Reid Medal of the Seismological Society of America that he received in 2007. He was also the recipient of the Maurice Ewing Medal in 2010, the highest honor awarded by the Society of Exploration Geophysicists.
Publications

C. Gu, Y. Marzouk, M.N. Toksoz, 2019, "Bayesian deep learning and uncertainty quantification applied to induced seismicity locations in the Groningen gas field in the Netherlands What do we need for safe AI?", SEG Technical Program Expanded Abstracts 2019S

C. Gu, G.A. Prieto, A. AlEnezi, F. AlJeri, J. AlQazweeni, H. Kamal, S. Kuleli, A. Mordret, O. Büyüköztürk, M.N. Toksoz, 2018, "Ground Motion in Kuwait from Regional and Local Earthquakes: Potential Effects on Tall Buildings", Pure and Applied Geophysics

H. Sun, A. Mordret, G.A. Prieto, M.N. Toksoz, O. Büyüköztürk, 2017, "Bayesian characterization of buildings using seismic interferometry on ambient vibrations", Mechanical Systems and Signal Processing, 85, 468  486

A. Mordret, H. Sun, G.A. Prieto, M.N. Toksoz, O. Büyüköztürk, 2017, "Continuous Monitoring of High‐Rise Buildings Using Seismic Interferometry", Bulletin of the Seismological Society of America, 107, 2759  2773

C. Gu, F. Al‐Jeri, A. Al‐Enezi, O. Büyüköztürk, M.N. Toksoz, 2017, "Source Mechanism Study of Local Earthquakes in Kuwait", Seismological Research Letters, 88, 1465  1471

C. Gu, Y. Marzouk, M.N. Toksoz, 2017, "Waveformbased Bayesian full moment tensor inversion and uncertainty determination for the induced seismicity in an oil/gas field", Geophysical Journal International

Z. Zhu, M.N. Toksoz, X. Zhan, 2016, "Seismoelectric measurements in a porous quartzsand sample with anisotropic permeability", Geophysical Prospecting, 64, 700  713

C. Gu, Y. Marzouk, M.N. Toksoz, 2016, "Waveformbased Bayesian full moment tensor inversion and uncertainty quantification of the induced seismicity using a surface network in an oil/gas field in Oman", SEG Technical Program Expanded Abstracts 2016

D. Kalafat, M.N. Toksoz, 2015, "A Catalogue of Source Parameters of Moderate and Strong Earthquakes for Turkey and its Surrounding Area (19382015)", American Geophysical Union

P. Zhang, H. Zhang, Y. Liu, H. Wang, M.N. Toksoz, 2015, "Focal mechanisms and seismic anisotropy analysis of local earthquakes at the Cove FortSulphurdale geothermal site, United States (in Chinese)", Acta Seismologica Sinica, 37, 899915

D. Kalafat, M.N. Toksoz, 2015, "Karadeniz’in yakın dönem depremselliğine ve sismotektoniğine genel bir bakış (in Turkish)", Active Tectonic Research Group Conference

A.M. AlMuhaidib, M.N. Toksoz, 2014, "Suppression of nearsurface scattered body to surface waves: steerable and nonlinear filter approach"

X. Fang, M. Fehler, Z. Zhu, T. Chen, S. Brown, A. Cheng, M.N. Toksoz, 2013, "An approach for predicting stressinduced anisotropy around a borehole", GEOPHYSICS, VOL. 78, NO. 3; P. D143ñD150

Z. Zhu, M.N. Toksoz, 2013, "Experimental measurements of the streaming potential and seismoelectric conversion in Berea sandstone"

Z. Zhu, X. Liu, C. Gu, M.N. Toksoz, 2013, "Experimental studies of the acoustic wave field near a borehole"

Z. Zhu, C. Gu, M.N. Toksoz, X. Liu, 2013, "Experimental studies of the acoustic wavefield near a borehole", SEG Technical Program Expanded Abstracts 2013SEG Technical Program Expanded Abstracts 2013

F. Song, N.R. Warpinski, M.N. Toksoz, H.S. Kuleli, 2013, "Fullwaveform Based Microseismic Event Detection and Signal Enhancement: The Subspace Approach"

F. Song, N.R. Warpinski, M.N. Toksoz, H.S. Kuleli, 2013, "Fullwaveform Based Microseismic Source Mechanism Studies in the Barnett Shale: Linking Microseismicity to Reservoir Geomechanics"

J. Li, H. Zhang, W. Rodi, M.N. Toksoz, 2013, "Joint microseismic location and anisotropic tomography using differential arrival times and differential backazimuths", Geophysical Journal International, 195, 1917  1931

A. AlMuhaidib, M.N. Toksoz, 2013, "Numerical modeling of elastic wave scattering by nearsurface heterogeneities"

X. Fang, M. Fehler, Z. Zhu, T. Chen, S. Brown, A. Cheng, M.N. Toksoz, 2012, "An approach for predicting stressinduced anisotropy around a borehole"

F. Song, N.R. Warpinski, M.N. Toksoz, H.S. Kuleli, 2012, "Fullwave form Based Microseismic Event Detection and Signal Enhancement: The Subspace Approach", Geophysical Prospecting  Submitted

F. Song, M.N. Toksoz, 2012, "Fullwaveform based complete moment tensor inversion and source parameter estimation from downhole microseismic data for hydrofracture monitorin"

A.M. AlMuhaidib, M.N. Toksoz, 2012, "Modeling and suppression of nearsurface scattered surfacewaves"

Z. Zhu, J. Wang, M.N. Toksoz, 2012, "Multipole seismoelectric logging while drilling (LWD) for acoustic velocity measurements"

X. Fang, M. Fehler, Z. Zhu, T. Chen, S. Brown, A. Cheng, M.N. Toksoz, 2012, "Predicting stressinduced anisotropy around a borehole"

A.M. AlMuhaidib, M. Fehler, M.N. Toksoz, Y. Zhang, 2011, "Finite Difference ElasticWave Modeling Including Surface Topography"

J. Li, H. Zhang, H.S. Kuleli, M.N. Toksoz, 2011, "Focal Mechanism determination Using High Frequency Waveform Matching and Its Application to Small Magnitude Induced Earthquakes", Geophysical International, 184: 12611274

F. Song, M.N. Toksoz, 2011, "Fullwaveform Based Complete Moment Tensor Inversion and Source Parameter Estimation from Downhole Microseismic Data for Hydrofracture Monitoring:", Geophysics, 76(6), WC101WC114

A.M. AlMuhaidib, M.K. Sen, M.N. Toksoz, 2011, "Integration of Geology, RockPhysics, Logs, and Prestack Seismic for Reservoir Porosity Estimation"

J. L., Y. Sun, M.N. Toksoz, Y. Zheng, M.T. Zuber, 2011, "Seismic  effects of the Caloris impact: insights into Mercuryís early internal state", Planet and  Space Science, accepted

T. Chen, J. Li, M.N. Toksoz, 2011, "Simulating Shear Wave Propagation in TwoDimensional Fractured Heterogeneous Media by Coupling Boundary Element and Finite Difference Methods"

T. Chen, J. Li, M.N. Toksoz, 2011, "Simulating Shear Wave Propagation in TwoDimensional Fractured Heterogeneous Media by Coupling Boundary Element and Finite Difference Methods"

F. Song, H.S. Kuleli, M.N. Toksoz, E. Ay, H. Zhang, 2010, "An improved method for hydrofracture induced microseismic event detection and phase picking"

F. Song, M.N. Toksoz, J. Li, 2010, "Downhole microseismic monitoring of hydraulic fracturing: a fullwaveform approach for complete moment tensor inversion and stress estimation"

Y. Zhang, M.N. Toksoz, 2010, "Estimate the effective elastic properties of digitized porous rocks by inverting the cracks unresolved"

Z. Zhu, M.N. Toksoz, D. Burns, 2010, "Experimental studies of reflected acoustic waves received in a borehole", SEG Expanded Abstracts 29: 578

J. Li, H. Zhang, H.S. Kuleli, M.N. Toksoz, 2010, "Focal mechanism determination using high frequency waveform matching and its application to small magnitude induced earthquakes"

J. Li, Y. Zhang, M.N. Toksoz, 2010, "Frequencydomain finitedifference acoustic modeling with free surface topography using embedded boundary method"

F. Song, H.S. Kuleli, M.N. Toksoz, E. Ay, H. Zhang, 2010, "Improved methods for hydrofracture event detection and phase picking", Geophysics,75(6): A47A52

X. Zhan, L.M. Schwartz, M.N. Toksoz, W.C. Smith, F.Dale Morgan, 2010, "Porescale modeling of electrical and fluid transport in Berea sandstone", GEOPHYSICS, 75, F135  F142

Y. Zhang, L. Song, M. Deffenbaugh, M.N. Toksoz, 2009, "A numerical study of the effects of waveinduced fluid flow in porous media: linear solver"

Z. Zhu, M.N. Toksoz, X. Zhan, 2009, "Experimental studies of streaming potential and high frequency seismoelectric conversion in porous samples"

J. Li, H. Zhang, H.S. Kuleli, M.N. Toksoz, 2009, "Focal mechanism determination using high frequency, full waveform information"

F. Song, M.N. Toksoz, 2009, "Improved methods for hydrofrac event detection and phase picking"

F. Pearce, M.N. Toksoz, F.Dale Morgan, P. Johnson, 2009, "In situ, nonlinear soil response applying an active source"

F. Song, M.N. Toksoz, 2009, "Model‐guided geosteering for horizontal drilling"

H. Zhang, S. Sarkar, M.N. Toksoz, H.S. Kuleli, F. AlKindy, 2009, "Passive seismic tomography using induced seismicity at a petroleum field in Oman"

H. Zhang, S. Sarkar, M.N. Toksoz, H.S. Kuleli, 2009, "Passive seismic tomography using induced seismicity at a petroleum field in Oman", Geophysics, 74(6): WCB57WCB69

X. Zhan, L. Schwartz, W. Smith, M.N. Toksoz, F.Dale Morgan, 2009, "Pore scale modeling of rock properties and comparison to laboratory measurements"

Z. Zhu, M.N. Toksoz, 2009, "Seismoelectric measurements in rock samples and borehole models", International Journal of the JCRM, 4(2): 7177. 

Z. Zhu, M.N. Toksoz, D. Burns, 2008, "Electroseismic and seismoelectric measurements of rock samples in a water tank", Geophysics, 73(5): E153E164

Z. Zhu, M.N. Toksoz, R. Rao, D. Burns, 2008, "Experimental studies of monopole, dipole, and quadrupole acoustic logging while drilling with scaled borehole models", Geophysics, 73(4): E133ñE143

Z. Zhu, M.N. Toksoz, D. Burns, 2008, "Experimental studies of reflected nearborehole acoustic waves received in borehole models"

X. Zhan, L. Schwartz, F.Dale Morgan, W. Smith, M.N. Toksoz, 2008, "Numerical modeling of transport properties and comparison to laboratory measurements"

Y. Zhang, J.C. Nave, M.N. Toksoz, 2008, "Numerical simulation of waveinduced fluid flow in digitized porous media using a coupled model with level set method"

Z. Zhu, S. Chi, X. Zhan, M.N. Toksoz, 2008, "Theoretical and experimental studies of seismoelectric effects in boreholes", Communications in Computational Physics, 3(1): 109120

S. Grandi, M.E. Willis, D. Burns, M.N. Toksoz, 2007, "Analysis of scattered signal to estimate reservoir fracture parameters"

X. Zhan, M.N. Toksoz, 2007, "Effective conductivity modeling of a fluid saturated porous rock"

R. Lu, M.E. Willis, X. Campman, M.N. Toksoz, 2007, "Elastodynamic redatumming for VSP salt dome flank imaging"

Z. Zhu, D. Burns, M.N. Toksoz, 2007, "Electroseismic and seismoelectric measurements of rock samples in a water tank"

D. Burns, M.E. Willis, M.N. Toksoz, L. Vetri, 2007, "Fracture properties from seismic scattering", The Leading Edge, 26(9): 11861196

M.E. Willis, D. Burns, R. Lu, M.N. Toksoz, N.J. House, 2007, "Fracture quality from integrating timelapse VSP and microseismic data", The Leading Edge, 26(9): 11981202

F. Pearce, M.E. Willis, D. Burns, M.N. Toksoz, P. Johnson, 2007, "Nonlinear soil response in the nearfield of a vibrator truck: application to land seismic surveys"

Y. Zhang, F. Song, M.N. Toksoz, 2007, "Numerical modeling of seismic wave propagation at the microscale in digitized sandstone"

R. Lu, M.E. Willis, X. Campman, J.B. AjoFranklin, M.N. Toksoz, 2007, "Redatumming through a salt canopy: another salt flank imaging strategy"

Z. Zhu, S. Chi, M.N. Toksoz, 2007, "Sonic logging in deviated boreholes of an anisotropic formation: laboratory study", Geophysics, 72(4): E125ñE134

M.E. Willis, R. Lu, X. Campman, M.N. Toksoz, Y. Zhang, M.V. De Hoop, 2006, "A novel application of time reverse acoustics: salt dome flank imaging using walk away VSP surveys", Geophysics, 71(2): A7A11

J.B.Ajo Franklin, K.T. Nihei, X. Campman, M.N. Toksoz, 2006, "Computation of 3D frequencydomain waveform kernals for c(x,y,z) media"

Y. Sun, M.N. Toksoz, 2006, "Crustal structure of China and surrounding regions from Pwave traveltime tomography", Journal of Geophysical Research, 111(B03310)

Y. Sun, M.N. Toksoz, 2006, "Crustal structure of China and surrounding regions from Pwave traveltime tomography", Journal of Geophysical Research, 111(B03310)

J. Byun, M.N. Toksoz, 2006, "Effects of an offcentered tool on dipole and quadrupole logging", Geophysics, 71(4): F91F100

X. Zhan, Z. Zhu, S. Chi, R. Rao, D. Burns, M.N. Toksoz, 2006, "Elimination of LWD (loggingwhiledrilling) tool modes using seismoelectric data"

Y. Zhang, X. Campman, S. Grandi, S. Chi, M.N. Toksoz, M.E. Willis, D. Burns, L. Vetri, 2006, "FK characteristics of the seismic response to a set of discrete parallel fractures"

S. Chi, Y. Zhang, X. Campman, M.N. Toksoz, 2006, "Finite difference modeling of seismic responses to intersecting fracture sets"

S.Grandi K., S. Yuh, M.E. Willis, M.N. Toksoz, 2006, "Fracture characterization from scattered energy: a case study"

S. Michelet, M.N. Toksoz, 2006, "Fracture mapping in the SoultzsousForets geothermal field from microearthquake relocation"

R. Lu, M.E. Willis, X. Campman, J.B. AjoFranklin, M.N. Toksoz, 2006, "Imaging salt dome flank and dipping sediments using time reversed acoustics"

Y. Zhang, S. Chi, M.E. Willis, M.N. Toksoz, D. Burns, 2006, "Orientation estimation for multiple large fractures by scattering energy"

M.E. Willis, D. Burns, R. Rao, B. Minsley, M.N. Toksoz, L. Vetri, 2006, "Spatial orientation and distribution of reservoir fractures from scattered seismic energy", Geophysics, 71(5): O43ñO51

M.E. Willis, R. Lu, D. Burns, M.N. Toksoz, X. Campman, M.V. De Hoop, 2005, "A novel application of time reversed acoustics: salt dome flank imaging from walk away VSP surveys"

X. Zhan, Z. Zhu, S. Chi, R. Rao, M.N. Toksoz, 2005, "An experimental study of seismoelectric signals in logging while drilling"

J.R. Murphy, W. Rodi, M. Johnson, D.D. Sultanov, T.J. Bennett, M.N. Toksoz, V. Ovtchinnikov, B.W. Barker, D.T. Reiter, A.C. Rosca, Y. Shchukin, 2005, "Calibration of international monitoring system (IMS) stations in central and eastern Asia for improved seismic event location", Bulletin of the Seismological Society of America, 95: 15351560

E. Sze, M.N. Toksoz, D. Burns, 2005, "Characterization of induced seismicity in a petroleum reservoir: a case study"

S. Michelet, M.N. Toksoz, 2005, "Characterizing the mechanics of fracturing from earthquake source parameters and multiplet analyses: application to the SoultzsousFor√çts hot dry rock"

Y. Zhang, S. Chi, M.E. Willis, D. Burns, M.N. Toksoz, 2005, "Comparison of discrete fracture and effective media representation of fractures on azimuthal AVO"

R. Rao, M.N. Toksoz, 2005, "Dispersive wave analysis  method and applications"

Z. Zhu, S. Chi, M.N. Toksoz, 2005, "Experimental and theoretical studies of seismoelectric effects in boreholes"

M.E. Willis, R. Rao, D. Burns, M.N. Toksoz, L. Vetri, 2005, "Fracture spacing and orientation estimation from spectral analyses of azimuth stacks"

S. Chi, Z. Zhu, R. Rao, M.N. Toksoz, 2005, "Higher order modes in acoustic logging while drilling"

Z. Zhu, M.N. Toksoz, 2005, "Seismoelectric and seismomagnetic measurements in fractured borehole models", Geophysics, 70: F45F51

Z. Zhu, M.N. Toksoz, 2005, "Seismoelectric and seismomagnetic measurements in fractured borehole models", Geophysics, 70: F45F51

M.E. Willis, D. Burns, R. Rao, B. Minsley, M.N. Toksoz, L. Vetri, 2005, "Spatial orientation and distribution of reservoir fractures from scattered seismic energy"

M. Krasovec, D. Burns, M.E. Willis, S. Chi, M.N. Toksoz, 2004, "3D finite difference modeling for borehole and reservoir applications"

Y. Sun, L. Xu, S. Kuleli, F.Dale Morgan, M.N. Toksoz, 2004, "Adaptive moving window method for 3D Pvelocity tomography and its application in China", Bulletin of the Seismological Society of America, 94(2): 740746

J. Byun, M.N. Toksoz, R. Rao, 2004, "Effects of source mismatch on multipole logging"

Y. Zheng, X. Huang, M.N. Toksoz, 2004, "Effects of tool eccentricity on wave dispersion properties in borehole acoustic logging while drilling"

Z. Zhu, R. Rao, D. Burns, M.N. Toksoz, 2004, "Experimental studies of multipole logging with scaled borehole models"

R. Lu, M.N. Toksoz, 2004, "Finite difference simulations of time reversed acoustics in a layered Earth model"

S. Sarkar, M.N. Toksoz, D. Burns, 2004, "Fluid flow modeling in fractures"

B. Minsley, M.E. Willis, M. Krasovec, D. Burns, M.N. Toksoz, 2004, "Fracture detection using amplitude versus offset and azimuth analysis of a 3D Pwave seismic data set and synthetic examples"

Y. Sun, S. Kuleli, W. Rodi, F.Dale Morgan, M.N. Toksoz, W. Han, Z. Lu, 2004, "Location robustness of earthquakes in Sichuan Province, China", Seismological Research Letters, 75(1): 5462

X. Li, E. Sze, D. Burns, M.N. Toksoz, 2004, "Swave splitting analysis: covariance matrix method and preliminary application"

S. Grandi, R. Rao, X. Huang, M.N. Toksoz, 2003, "An integrated well data analysis for insitu stress estimation"

Z. Zhu, M.N. Toksoz, 2003, "Comparison of scattered energy using point scatterers versus full 3D finite difference modeling"

Z. Zhu, M.N. Toksoz, 2003, "Crosshole seismoelectric measurements in borehole models", Geophysics, 68(5): 15191524

J. Byun, M.N. Toksoz, 2003, "Effects of an offcentered tool on multicomponent monopole and dipole logging"

M. Krasovec, D. Burns, M.N. Toksoz, 2003, "Finite difference modeling of attenuation and anisotropy"

B. Minsley, D. Burns, M.N. Toksoz, 2003, "Fractured reservoir characterization using azimuthal AVO"

R. Lu, R. Rao, M.N. Toksoz, 2003, "Measured radiation patterns of the scale model dipole tool"

X. Huang, Y. Zheng, D. Burns, M.N. Toksoz, 2002, "A stretched grid finitedifference timedomain scheme implemented with anisotropic perfectly matched layers"

R. Rao, Z. Zhu, D. Burns, M.N. Toksoz, 2002, "Acoustic logging while drilling (LWD): experimental studies with anisotropic models"

F. Shen, J. Sierra, D. Burns, M.N. Toksoz, 2002, "Azimuthal offsetdependent attributes applied to fracture detection in a carbonate reservoir", Geophysics, 67(2): 355364

X. Li, V.F. Cormier, M.N. Toksoz, 2002, "Complex source process of the August 17, 1999 Izmit, Turkey, earthquake", Bulletin of the Seismological Society of America, 92: 267277

Z. Zhu, M.N. Toksoz, 2002, "Crosshole seismoelectric measurements in borehole models with fractures"

M.N. Toksoz, 2002, "Dedicated issue: Izmit, Turkey, earthquake of 17 August 1999", BSSA, 92: 1526

M.N. Toksoz, 2002, "Dedicated issue: Izmit, Turkey, earthquake of 17 August 1999", BSSA, 92: 1526

F. Shen, X. Zhu, M.N. Toksoz, 2002, "Effects of fractures on NMO velocities and Pwave azimuthal AVO response", Geophysics, 67: 711726

S. Grandi, R. Rao, M.N. Toksoz, 2002, "Geomechanical modeling of insitu stresses around a borehole"

A. AlDajani, M.N. Toksoz, 2002, "Nonhyperbolic reflection moveout for orthorhombic media"

M. Bouchon, M.N. Toksoz, H. Karabulut, M. Bouin, M. Dietrich, M. Aktar, M. Edie, 2002, "Space and time evolution of rupture and faulting during the 1999 Izmit (Turkey) earthquake", Bulletin of the Seismological Society of America, 92: 256266

M.N. Toksoz, 2002, "The effect of synchronized multiplecavity sources on seismic radiation", Bulletin of the Seismological Society of America, 92: 23812390

M.G. Imhof, M.N. Toksoz, 2002, "The effect of synchronized multiplecavity sources on seismic radiation", Bulletin of the Seismological Society of America, 92: 23812390

J. Kane, F.J. Herrmann, M.N. Toksoz, 2002, "Wavelet domain geophysical inversion"

A. AlDajani, F.Dale Morgan, M.N. Toksoz, P. Reppert, 2001, "Determination of nearsurface anisotropy from surface electromagnetic data"

K. Hayashi, D. Burns, M.N. Toksoz, 2001, "Discontinuousgrid finitedifference seismic modeling including surface topography", Bulletin of the Seismological Society of America, 91(6)

Z. Zhu, F.Dale Morgan, C.J. Marone, M.N. Toksoz, 2001, "Experimental studies of electrical fields on a breaking rock sample"

M. Bouchon, M. Bouin, H. Karabulut, M.N. Toksoz, M. Dietrich, A. Rosakis, 2001, "How fast is rupture during an earthquake? New insights from the 1999 Turkey earthquakes", Geophysical Research Letters, 28: 2723ñ2726

X. Huang, D. Burns, M.N. Toksoz, 2001, "The effect of stresses on the sound velocity in rocks: theory of acoustoelasticity and experimental measurements"

J. Kane, F.J. Herrmann, M.N. Toksoz, 2001, "Wavelet domain linear inversion with application to well logging"

R.E. Reilinger, M.N. Toksoz, S. McClusky, A. Barka, 2000, "1999 Izmit, Turkey earthquake was no surprise", GSA Today, 10: 16

A. AlDajani, D. Burns, M.N. Toksoz, 2000, "Aeolian and fluvial depositional systems discrimination in wireline logs: Unayzah formation, Central Saudi Arabia"

M.M. Saggaf, M.N. Toksoz, H.M. Mustafa, 2000, "Application of smooth neural networks for interwell estimation of porosity from seismic data"

R.E. Reilinger, M.N. Toksoz, 2000, "Coseismic and postseismic fault slip for the 17 August 1999, M=7.5, Izmit, Turkey earthquake", Science, 289: 1519ñ1524

P. Reppert, F.Dale Morgan, M.N. Toksoz, 2000, "Dielectric constant determination using groundpenetrating radar reflection coefficients", Journal of Applied Geophysics, 43: 189ñ197

X. Huang, Z. Zhu, M.N. Toksoz, D. Burns, 2000, "Effects of formation stress on logging measurements"

M.M. Saggaf, M.N. Toksoz, H.M. Mustafa, 2000, "Estimation of reservoir properties from seismic data by smooth neural networks"

M.G. Imhof, M.N. Toksoz, 2000, "Estimation of stratigraphic heterogeneity using seismic reflection data", Journal of Seismic Exploration, 9: 41ñ60

Z. Zhu, M.W. Haartsen, M.N. Toksoz, 2000, "Experimental studies of seismoelectric conversions in fluidsaturated porous media", Journal of Geophysical Research, 105(B12): 28, 055ñ28, 064

W. Rodi, M.N. Toksoz, 2000, "Gridsearch techniques for seismic event location", Proceedings, 22nd Annual DoD/DOE Seismic Research Symposium, New Orleans, Defense Threat Reduction Agency (DTRA)

F. Shen, M.N. Toksoz, 2000, "Scattering characteristics in heterogeneously fractured reservoirs from waveform estimations", Geophysical Journal International, 140: 251266

M.G. Imhof, M.N. Toksoz, 2000, "Scattering from tunnels near sources and their effect on seismic signatures of explosions", Bulletin of the Seismological Society of America, 90: 229ñ242

M.M. Saggaf, M.N. Toksoz, M.I. Marhoon, 2000, "Seismic facies classification and identification by competitive neural networks"

M. Bouchon, M.N. Toksoz, H. Karabulut, M. Bouin, M. Dietrich, M. Aktar, M. Edie, 2000, "Seismic imaging of the 1999 Izmit (Turkey) rupture inferred from the nearfault recordings", Geophysical Research Letters, 27: 30133016

A. AlDajani, M.N. Toksoz, 2000, "Shearwave reflection moveout for azimuthally anisotropic media"

M. Edie, J.F. Olson, D. Burns, M.N. Toksoz, 2000, "The effect of image resolution on fluid flow simulations in porous media"

O. Mikhailov, J. Queen, M.N. Toksoz, 2000, "Using borehole electroseismic measurements to detect and characterize fractures", Geophysics, 65: 10981112

M.M. Saggaf, M.N. Toksoz, 1999, "An analysis of deconvolution: modeling reflectivity by fractionally integrated noise"

F. Shen, J. Sierra, D. Burns, M.N. Toksoz, 1999, "Azimuthal offsetdependent attributes (AVO and FVO) applied to fracture detection"

X. Huang, B.K. Sinha, M.N. Toksoz, 1999, "Formation stress estimation using standard acoustic logging"

M. Krasovec, D. Burns, M.N. Toksoz, 1999, "Frequency dependence of seismic data from Nigeria: preliminary results"

R. Rao, D. Burns, M.N. Toksoz, 1999, "Models in LWD applications"

A. AlDajani, M.N. Toksoz, 1999, "Nonhyperbolic reflection moveout for azimuthally anisotropic media"

Z. Zhu, M.N. Toksoz, 1999, "Seismoelectric and seismomagnetic measurements in fractured borehole models"

O. Mikhailov, M.N. Toksoz, 1998, "Borehole electroseismic measurements in dolomite identifying fractures and permeable zones"

X. Huang, D. Burns, M.N. Toksoz, 1998, "Dispersion analysis of crossdipole data"

O. Mikhailov, D. Burns, M.N. Toksoz, 1998, "Electroseismic logging for the detection and characterization of permeable zones: field measurements and theory"

M.G. Imhof, M.N. Toksoz, C.I. Burch, J. Queen, 1998, "Nearsurface scattering from high velocity carbonates in West Texas"

F. Shen, M.N. Toksoz, 1998, "Scattering characteristics in heterogeneous fractured reservoirs from waveform estimation"

Z. Zhu, M.N. Toksoz, 1998, "Seismoelectric laboratory measurements in a borehole"

R. Rao, B. Mandal, C.H. Cheng, M.N. Toksoz, 1997, "Cement bond evaluation using early refracted arrivals"

Z.F. Shen, X. Zhu, M.N. Toksoz, 1997, "Effects of fractured reservoir elastic properties on azimuthal AVO"

Z. Zhu, M.W. Haartsen, M.N. Toksoz, 1997, "Experimental studies of electroseismic conversion in a fluidsaturated porous medium"

Z. Zhu, M.W. Haartsen, M.N. Toksoz, 1997, "Experimental studies of seismoelectric measurements in a borehole"

G. Tao, C.H. Cheng, M.N. Toksoz, 1997, "Measurements of shearwave azimuthal anisotropy with crossdipole logs"

X. Zhu, F. Shen, M.N. Toksoz, 1997, "P and SV waves 3D numerical modeling of AVOA from heterogeneous fractured reservoirs"

J. Zhang, E. Lavely, M.N. Toksoz, 1997, "Rapid 3D ray tracing for optimal seismic survey design"

J. Zhang, R.M. Turpening, C. Chauvelier, F.Dale Morgan, M.N. Toksoz, J. Queen, D. Cox, 1997, "Shearwave tomographic images of an oil reservoir at MIT√≠s Michigan test site"

R. Rao, R.M. Turpening, M.N. Toksoz, 1997, "Source radiation patterns in cased boreholes"

O. Mikhailov, J. Queen, M.N. Toksoz, 1997, "Using borehole electroseismic measurements to detect and characterize fractured permeable zones"

N. Cheng, C.H. Cheng, M.N. Toksoz, 1996, "A timedomain finitedifference method with attenuation by a recursive algorithm"

M.W. Haartsen, M.N. Toksoz, 1996, "Dynamic streaming currents from seismic point sources in homogeneous poroelastic media"

O. Mikhailov, M.W. Haartsen, M.N. Toksoz, 1996, "Electroseismic investigation of the shallow subsurface: field measurements and numerical modeling"

Z. Zhu, M.N. Toksoz, 1996, "Experimental studies of electrokinetic conversions in a fluidsaturated porous medium"

Z. Zhu, C.H. Cheng, M.N. Toksoz, 1996, "Flexural waves in an anisotropic hard formation borehole model"

J. Zhang, M.N. Toksoz, 1996, "Nonlinear refraction traveltime tomography"

A.J.B. Tadeu, M.N. Toksoz, E. Kausel, 1996, "Offcenter monopole and dipole sources in fluidfilled boreholes"

N. Cheng, C. Schultz, M.N. Toksoz, 1995, "A comparison of scattering from 2D and 3D rough interface"

J.M. Lee, M.N. Toksoz, 1995, "Determination of the orientation of open fractures from hydrophone VSP"

M.W. Haartsen, M.N. Toksoz, 1995, "Electroseismic waves from point sources in layered media"

M.W. Haartsen, M.N. Toksoz, 1995, "Modeling of seismoelectric effects in a borehole"

Z. Zhu, C.H. Cheng, M.N. Toksoz, 1995, "Polarization of Flexural Waves in an anisotropic borehole model"

J.M. Lee, R.L. Gibson, M.N. Toksoz, G.M. Cameli, F. Batini, I. Dini, 1995, "Seismic delineation of a geothermal reservoir"

C. Peng, C.H. Cheng, M.N. Toksoz, 1994, "Acoustic wave propagation in and around a fluidfilled borehole of irregular cross section"

W. Dong, M. Bouchon, M.N. Toksoz, 1994, "Borehole seismic source radiation in layered isotropic and anisotropic media: boundary element modeling"

N. Cheng, C.H. Cheng, M.N. Toksoz, 1994, "Borehole wave propagation in isotropic and anisotropic media, I: finite difference method"

N. Cheng, C.H. Cheng, M.N. Toksoz, 1994, "Borehole wave propagation in isotropic and anisotropic media, II: isotropic formation"

N. Cheng, C.H. Cheng, M.N. Toksoz, 1994, "Borehole wave propagation in isotropic and anisotropic media, III: anisotropic formation"

Z. Zhu, M.N. Toksoz, 1994, "Electrokinetics of a fluidsaturated rock sample: laboratory experiments"

Z. Zhu, C.H. Cheng, M.N. Toksoz, 1994, "Experimental study of the flexural waves in the fractured of cased borehole model"

X. Zhao, M.N. Toksoz, 1994, "Solute transport in heterogeneous porous media"

X. Zhao, M.N. Toksoz, C.H. Cheng, 1994, "Stoneley wave propagation across borehole permeability heterogeneities"

X. Tang, N.Y. Cheng, C.H. Cheng, M.N. Toksoz, 1993, "Acoustic logging in randomly stratified formations"

C. Peng, C.H. Cheng, M.N. Toksoz, Z. Zhu, 1993, "Cased borehole effect on downhole seismic measurements"

N.Y. Cheng, C.H. Cheng, M.N. Toksoz, 1993, "Fourthorder finite difference acoustic logs in a transversely isotropic formation"

C. Peng, M.N. Toksoz, 1993, "Optimal absorbing boundary conditions for finite difference modeling of acoustic and elastic wave propagation"

Z. Zhu, C.H. Cheng, M.N. Toksoz, 1993, "Propagation of flexural waves in an azimuthally anisotropic borehole model"

X. Zhao, M.N. Toksoz, C.H. Cheng, 1993, "Stoneley wave propagation in heterogeneous permeable porous formations"

X. Zhao, M.N. Toksoz, 1992, "A short note on permeability anisotropy in heterogeneous porous media"

Z. Zhu, X. Tang, C.H. Cheng, M.N. Toksoz, 1992, "Borehole Stoneley wave propagation across permeable structures: comparison between theory and experiment"

X. Zhao, C.H. Cheng, X. Tang, M.N. Toksoz, 1992, "Dynamic fluid flow in heterogeneous porous media and through a single fracture with rough surfaces"

N.Y. Cheng, Z. Zhu, C.H. Cheng, M.N. Toksoz, 1992, "Experimental and finite difference modeling of borehole Mach waves"

X. Tang, Z. Zhu, M.N. Toksoz, 1992, "Radiation patterns of compressional and shear transducers at the surface of an elastic halfspace"

X. Zhao, M.N. Toksoz, 1992, "Transient fluid flow in heterogeneous porous media"

C. Peng, M.N. Toksoz, 1992, "Tube wave generation at a layer boundary for an incident compressional plane wave"

X. Zhao, M.N. Toksoz, 1991, "Characterizing surface roughness from pressurejoint closure measurements using inversion procedure"

X. Zhao, M.N. Toksoz, 1991, "Modeling fluid flow in heterogeneous and anisotropic porous media"

J.A. Meredith, C.H. Cheng, M.N. Toksoz, 1991, "Secondary shear waves from source boreholes"

C.H.Cheng X. Tang, C.H. Cheng, M.N. Toksoz, 1990, "Acoustic wave propagation in a fluidfilled borehole with a horizontal fracture"

X. Tang, C.H. Cheng, M.N. Toksoz, 1990, "Dynamic permeability and borehole Stoneley waves: s simplified BiotRosenbaum model"

K.J. Ellefsen, C.H. Cheng, M.N. Toksoz, 1990, "Effects of anisotropy upon the normal modes"

K.J. Ellefsen, C.H. Cheng, M.N. Toksoz, 1990, "Estimating a shear modulus of a transversely isotropic formation"

N.Y. Cheng, C.H. Cheng, M.N. Toksoz, 1990, "Inversion for permeability from Stoneley wave velocity and attenuation"

J.A. Meredith, C.H. Cheng, M.N. Toksoz, 1990, "Modeling of downhole seismic sources, I: literature review, review of fundamentals, impulsive point source in a borehole"

J.A. Meredith, C.H. Cheng, M.N. Toksoz, 1990, "Modeling of downhole seismic sources, I: literature review, review of fundamentals, impulsive point source in a borehole"

J.A. Meredith, C.H. Cheng, M.N. Toksoz, 1990, "Modeling of downhole seismic sources, II: an analysis of the Heelan/Brekhovskikh results and comparison of point source radiation to radiation from boreholes"

R.L. Gibson, M.N. Toksoz, 1990, "Permeability estimation from velocity anisotropy in fractured rock"

R.L. Gibson, M.N. Toksoz, 1989, "Permeability estimation from velocity anisotropy in fractured rock"

X. Tang, C.H. Cheng, M.N. Toksoz, 1989, "Stoneley wave propagation in a fluidfilled borehole with a vertical fracture"

J.D. Mendelson, M.N. Toksoz, 1989, "Velocity anisotropy of two deep crystalline samples"

X. Tang, M.N. Toksoz, C.H. Cheng, 1988, "Elastic wave diffraction of a piston source and its effect on attenuation measurement"

M.N. Toksoz, F. Guler, 1988, "Fracture detection and characterization"

R.L. Gibson, M.N. Toksoz, 1988, "Viscous attenuation of acoustic waves"

X. Tang, M.N. Toksoz, P. Tarif, R.H. Wilkens, 1987, "A method of measuring acoustic wave attenuation in the laboratory"

D.P. Schmitt, C.H. Cheng, M.N. Toksoz, 1987, "Logging in multilayered saturated porous formations"

D. Burns, C.H. Cheng, D.P. Schmitt, M.N. Toksoz, 1987, "Permeability estimation from field data"

F. Guler, M.N. Toksoz, 1987, "Ultrasonic laboratory study of full waveform acoustic logs in boreholes with fractures"

D.J. Lineman, J.D. Mendelson, M.N. Toksoz, 1987, "Welltowell log correlation using knowledgebased systems and dynamic depth warping"

E. Hardin, M.N. Toksoz, 1985, "Detection and characterization of fractures from generation of tube waves"

E. Hardin, M.N. Toksoz, 1985, "Detection and characterization of fractures from generation of tube waves"

D. Burns, C.H. Cheng, M.N. Toksoz, 1985, "Energy partitioning and attenuation of guided waves in a radially layered borehole"

D. Burns, C.H. Cheng, M.N. Toksoz, 1985, "Energy partitioning and attenuation of guided waves in a radially layered borehole"

T.W. Lo, K.B. Coyner, M.N. Toksoz, 1985, "Experimental determination of elastic anisotropy of Berea sandstone, Chicopee shale and Chelmsford granite"

T.W. Lo, K.B. Coyner, M.N. Toksoz, 1985, "Experimental determination of elastic anisotropy of Berea sandstone, Chicopee shale and Chelmsford granite"

M.N. Toksoz, C.H. Cheng, 1985, "Full waveform acoustic logging from theory to applications"

M.N. Toksoz, C.H. Cheng, 1985, "Full waveform acoustic logging from theory to applications"

C. Gonguet, K.B. Coyner, M.N. Toksoz, 1985, "Laboratory measurements of attenuation in rocks at ultrasonic frequencies"

C. Gonguet, K.B. Coyner, M.N. Toksoz, 1985, "Laboratory measurements of attenuation in rocks at ultrasonic frequencies"

A.T. Hsui, Z. Jinzhong, C.H. Cheng, M.N. Toksoz, 1985, "Tube wave attenuation and insitu permeability"

A.T. Hsui, Z. Jinzhong, C.H. Cheng, M.N. Toksoz, 1985, "Tube wave attenuation and insitu permeability"

C. Barton, C.H. Cheng, M.N. Toksoz, 1984, "Analysis of full waveform acoustic logging data in √¨soft√Æ formations"

C. Barton, C.H. Cheng, M.N. Toksoz, 1984, "Analysis of full waveform acoustic logging data in √¨soft√Æ formations"

W.B. Beydoun, C.H. Cheng, M.N. Toksoz, 1984, "Detection of open fractures with vertical seismic profiling W. B. Beydoun, C. H. Cheng, and M. N. Toksoz"

W.B. Beydoun, C.H. Cheng, M.N. Toksoz, 1984, "Detection of open fractures with vertical seismic profiling W. B. Beydoun, C. H. Cheng, and M. N. Toksoz"

K.M. Tubman, C.H. Cheng, M.N. Toksoz, 1984, "Determination of formation properties in cased boreholes using full waveform acoustic logs"

M.N. Toksoz, R.H. Wilkens, C.H. Cheng, 1984, "Determination of shear wave velocity and attenuation from waveforms in low velocity formations"

K.M. Tubman, S.P. Cole, C.H. Cheng, M.N. Toksoz, 1984, "Dispersion curves and synthetic microseismograms in unbonded cased boreholes"

C.H. Cheng, M.N. Toksoz, G. Garcia, 1984, "Full waveform acoustic logging√≥where we are, where we are going"

M.N. Toksoz, C.H. Cheng, G. Garcia, 1984, "Full waveform acoustic logging√≥where we are, where we are going"

M.E. Willis, M.N. Toksoz, C.H. Cheng, 1983, "Approximating effects of offcenter acoustic sondes and elliptic boreholes on full waveform logs"

W.B. Beydoun, C.H. Cheng, M.N. Toksoz, 1983, "Detection of subsurface fractures and permeable zones by the analysis of tube waves"

C.H. Cheng, M.N. Toksoz, 1983, "Determination of shear wave velocities in √¨slow√Æ formations"

K.N. Tubman, C.H. Cheng, M.N. Toksoz, 1983, "Effects of casing on full waveform acoustic logs"

M.E. Willis, M.N. Toksoz, 1983, "P and S wave velocity determination"

M.N. Toksoz, C.H. Cheng, M.E. Willis, 1983, "Seismic waves in a borehole√≥a review"