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Check out our group's tomographic models of the mantle:


  • Frost, D. A. and B. Romanowicz (2021) Effects of upper mantle structure beneath Alaska on core wave absolute and differential measurements: implications for estimates of inner core anisotropy, Phys. Earth Planet. Inter., 314, 106713.
  • Frost, D. A., M. Lasbleis, B. Chandler and B. Romanowicz (2021) Seismic evidence of slow translation and preferential equatorial growth of the inner core, Nature Geosc. ,in press.
  • Lau, H.C.P. and B. Romanowicz (2021) Constraining Jumps in Density and Elastic Properties at the 660 km discontinuity Using Normal Mode Data via the Backus-Gilbert Method, Geophys. Res. Lett., in press.


  • Davaille, A., and B. Romanowicz (2020) Deflating the LLSVPs: bundles of mantle thermochemical plumes, rather than thick "stagnant" piles, Tectonics, 39, e2020TC006265.
  • Frost, D. A., B. Romanowicz and S. Roecker (2020) Upper mantle slab under Alaska: contribution to anomalous core-phase observations on south-Sandwich to Alaska path, Phys. Earth. Planet. Inter., 299, 106427.


  • Robson, A and B. Romanowicz (2019) New normal mode constraints on bulk inner core velocities and density, Phys. Earth Planet. Inter., 295, 106310. download reprint
  • Romanowicz, B., L-W Chen and S. W. French (2019), Accelerating full waveform inversion via source stacking and cross-correlations, Geophys. J. Int., 220, 308-322. download reprint
  • Williams, C. D., S. Mukhopadhyay, M. Rudolph and B. A. Romanowicz (2019) Primitive Helium is Sourced from Seismically Slow regions in the lowermost mantle, G-Cubed, doi: 10.1029/2019GC008437 download reprint
  • Maurya, S., T. Taira and B. Romanowicz (2019) Location of seismic "hum" sources following storms in the north Pacific ocean, G-Cubed, doi:10.1029/2018GC008112 download reprint
  • Frost, D. A. and B. Romanowicz (2019) On the orientation of the fast and slow directions of anisotropy in the deep inner core, Phys. Earth Planet. Inter., 286, 101-110. download reprint


  • Chandler, B., K. Yuan, M. Li, S. Cottaar, B. Romanowicz, C. N. Tomé and H. R. Wenk (2018) A refined approach to model anisotropy in the lowermost mantle, ICOTOM17-JOP. download reprint
  • Garber, J., S. Maurya, J.-A. Hernandez, M.S. Duncan, L. Zheng, H. L. Zhang, U. Faul, C. McCammon, J. P. Montagner, L. Moresi, B. Romanowicz, R. L. Rudnick and L. Stixrude (2018) Multidisciplinary Constraints on the Abundance of Diamond and Eclogite in the Cratonic Lithosphere, G-Cubed, DOI: 10.1029/2018GC007534. download reprint
  • Smit, P. B., T. T. Janssen, T.H.C. Herbers, T. Taira and B. A. Romanowicz (2018) Infragravity wave radiation across the shelf break, J. Geophys. Res. (Oceans), 123, doi: 10.1029/2018JC013986. download reprint
  • Ibourichène, A. and B. Romanowicz (2018) Detection of small schale heterogeneities at the Inner Core Boundary, Phys. Earth Planet. Inter., 281, 55-67. download reprint
  • Clouzet, P., Y. Masson and B. Romanowicz (2018) Box tomography: first application to the imaging of upper mantle shear velocity and radial anisotropy structure beneath the north American continent, Geophys. J. Int., 213, 1849-1875. doi: 10.1093/gji/ggy078. download reprint
  • Karaoglu, H. and B. Romanowicz (2018) Inferring global Upper-Mantle Shear Attenuation structure by waveform tomography using the Spectral Element Method, Geophys. J. Int., 213, 1536-1558. download reprint


  • Roy, C. and B. Romanowicz (2017) On the implications of a-priori constraints in transdimensional Bayesian inversion for continental lithospheric layering, J. Geophys. Res., 122, DOI: 10.1002/2017JB014968. download reprint
  • Adam, J., A. Ibourichène, and B. Romanowicz (2017) Observation of core sensitive phases: constraints on the velocity and attenuation profile in the vicinity of the inner-core boundary, Phys. Earth Planet. Inter., 275, 19-31. download reprint
  • Karaoglu, H. and B. Romanowicz (2017) Full Waveform Inversion for Global Attenuation Imaging: A Comparative Assessment of Several Different Approaches, Geophys. J. Int., 212, 807–826 download reprint
  • Yuan, K. and B. Romanowicz (2017) Seismic evidence for partial melting at the root of Major Hotspot Plumes, Science, 357, 393-397.
  • Masson, Y. and B. Romanowicz (2017) Box Tomography: Localised imaging of remote targets buried in an unknown medium, a step forward for understanding key structures in the deep Earth, Geophys. J. Int., 211, 141-163 download reprint
  • Romanowicz, B. and R. Wenk (2017) Anisotropy in the Deep Earth, Phys. Earth Planet. Inter., 269, 58-90. download reprint
  • Masson, Y. and B. Romanowicz (2017) Fast computation of synthetic seismograms within a medium containing remote localized perturbations A numerical solution to the scattering problem, Geophys. J. Int., 208(2), 674-692. download reprint


  • Romanowicz, B., A. Cao, B. Godwal, R. Wenk, R. Jeanloz and S. Ventosa (2016) Seismic anisotropy in the Earth's innermost inner core: testing structural models against mineral physics predictions, Geophys. Res. Lett., 43, 93-100. download reprint
  • Bodin, T., J. Leiva, B. Romanowicz, V. Maupin, and H. Yuan (2016) Imaging Anisotropic Layering with Bayesian Inversion of Multiple Data Types, Geophys. J. Int., 206, 605-629. download reprint
  • To, A., Y. Capdeville and B. Romanowicz (2016) Anomalously low amplitude of S waves produced by the 3D structures in the lower mantle, Phys. Earth Planet. Inter., 256, 26-36. download reprint


  • Meschede, M. and B. Romanowicz (2015) Non-Stationary Spherical Random Media and their Effect on Long Period Mantle Waves, Geophys. J. Int., Geophys. J. Int., 203, 1605-1625. doi: 10.1093/gji/ggv356 download reprint
  • Ventosa, S. and B. Romanowicz (2015) Extraction of weak PcP phases using the slant-stacklet transform – II: constraints on lateral variations of structure near the core–mantle boundary, Geophys. J. Int., Geophys. J. Int., 203, 1227-1245. download reprint
  • Meschede, M. and B. Romanowicz (2015) Lateral heterogeneity scales in regional and global upper mantle shear velocity models, Geophys. J. Int. , 200, 1078-1095. download reprint
  • Ventosa, S. and B. Romanowicz (2015) PcP-P constraints on core-mantle boundary using a seismic array-processing approach, GJI, 201, 207-223. download reprint
  • Weber, M., C. Wicks Jr., Y. LeStunff, B. Romanowicz and F. Krüger (2015)Seismic evidence for a steeply dipping reflector -stagnant slab in the mantle transition zone, Geophys. J. Int., 200, 1237- 1253. download reprint
  • Romanowicz, B. and B. J. Mitchell (2015) Deep Earth structure: Q of the Earth from crust to core, In: Gerald Schubert (editor-in-chief) Treatise on Geophysics, 2nd edition, Oxford: Elsevier; 2015. pp. 789-827. download reprint
  • Zheng, Z., S. Ventosa and B. Romanowicz (2015) High Resolution Upper Mantle Discontinuity Images across the Pacific Ocean from SS Precursors Using Local Slant Stack Filters, Geophys. J. Int., 202, 175-189. download reprint
  • French, S. W., Y. Zheng, B. Romanowicz and K. Yelick (2015) Parallel Hessian assembly for Seismic Waveform inversion using Global updates, Proceedings of the 29th IEEE International Parallel and Distributed Processing Symposium (2015) doi:10.1109/IPDPS.2015.58.
  • Dziewonski, A. M. and B. Romanowicz (2015) Deep Earth Seismology: an Introduction and Overview, In: Gerald Schubert (editor-in-chief) Treatise on Geophysics, 2nd edition, Oxford: Elsevier; 2015. pp. 1-28. download reprint
  • Adam, J. and B. Romanowicz (2015), Global scale observations of scattered energy near the inner core boundary: Seismic constraints on the base of the outer core, Phys. Earth. Planet. Inter.,245, 103-116. download reprint
  • Bodin, T., Y. Capdeville, B. Romanowicz and J. P. Montagner (2015) Interpreting Radial Anisotropy in Global and Regional Tomographic Models, Springer International Publishing DOI: 10.1007/978-3-319-15627-9.
  • French, S. W. and B. Romanowicz (2015) Broad plumes Rooted At The Base Of The Earth's Mantle Beneath Major Hotspots, Nature, 525, 95-99.


  • French, S. and B. Romanowicz (2014) Whole mantle radially anisotropic shear--velocity structure from spectral-element waveform tomography, Geophys. J. Int., 199, 1303-1327 download reprint
  • Cottaar, S., M. Li, A. McNamara, B. Romanowicz and H-R. Wenk (2014)Synthetic seismic anisotropy models within a slab impinging on the core-mantle boundary, Geophys. J. Int., 199, 164-177. download reprint
  • Yuan, H., S. French, P. Cupillard and B. Romanowicz (2014) Lithospheric expression of geological units in central and eastern north America from full waveform tomography, Earth Planet. Sci. Lett., 402, 176- 186,
  • Bodin, T., H. Yuan and B. Romanowicz (2014) Inversion of receiver functions without deconvolution - application to the Indian craton, Geophys. J. Int., 196, 1025- 1033.Download pdf
  • Taira, T., Z. Zheng and B. Romanowicz (2014) On the systematic long period noise reduction on ocean floor broadband seismic sensors collocated with differential pressure gauges, Bull. Seism. Soc. Am., 104, 247-259. download pdf .
  • Masson, Y., P. Cupillard, Y. Capdeville and B. Romanowicz (2014) On the numerical implementation of time reversal mirrors for tomographic imaging, Geophys. J. Int., 196, 1580-1599, doi: 10.1093/gji/ggt459.Download pdf
  • Carlson, R. W., E. Garnero, T. M. Harrison, J. Li, M. Manga, W. F. McDonough, S. Mukhopadhyay, B. Romanowicz, D. Rubie, Q. Williams, and S. Zhong (2014) How did Early Earth become our modern World?, Ann. Rev. Earth Planet. Sci., doi: 10.1146/annurev-earth-060313-055016.


  • Cottaar, S. and B. Romanowicz (2013) Observations of changing anisotropy across the southern margin of the African LLSVP, Geophys. J. Int., 195, 1184- 1195. Download pdf
  • French, S., V. Lekic and B. Romanowicz (2013) Waveform Tomography Reveals Channeled Flow at the Base of the Oceanic Asthenosphere, Science, 342, 227- 230. Download pdf and

suppl. info

  • Durand, S., J. Matas, S. Ford, Y. Ricard, B. Romanowicz and J. P. Montagner (2013)Insights from ScS-S measurements on deep mantle attenuation, Earth. Plaet. Sci. Lett., 374, 101-110. Download pdf


  • Romanowicz, B. and H. Yuan (2012) On the interpretation of SKS splitting measurements in the presence of several layers of anisotropy, Geophys. J. Int., 188, 1129-1140.Download pdf
  • Panning, M., A. Cao, A. Kim and B. Romanowicz (2012) Non-linear 3D Born shear waveform tomography in southeast Asia, Geophys. J. Int., 188, 1129-1140.Download pdf
  • Montagner, J.P., C. Larmat, Y. Capdeville, M. Fink, H. Phung, B. Romanowicz, E. Clévédé, H. Kawakatsu (2012) Time reversal method and cross-correlation tehcniques by normal mode theory: a three-point problem, Geophys. J. Int., 191, 637-652. Download pdf
  • Lekic, V., S. Cottaar, A. Dziewonski and B. Romanowicz (2012) Cluster analysis of global lower mantle tomography: anew class of structure and implications for chemical heterogeneity Earth. Planet. Sci. Lett 357-358, 68-77. Download pdf
  • Zheng Z. and B. Romanowicz (2012) "Do double “SS precursors” mean double discontinuities Geophys. J. Int., 191, 1361-1373.Download pdf
  • Cottaar, S. and B. Romanowicz (2012) An unusually large ULVZ at the base of the mantle near Hawaii, Earth. Planet. Sci. Lett., 355-356, 213-222. Download pdf
  • Zhang, R., Q. Wu, Y. Li and B. Romanowicz (2012) Lateral variations in SH velocity structure of the transition zone beneath Korea and adjacent regions, J. Geophys. Res., 117, B09315.


  • Lekic, V. and B. Romanowicz (2011) Inferring mantle structure by full waveform tomography using the Spectral Element Method, Geophys. J. Int., doi: 10.1111/j.1365-246X.2011.04969.x. Download PDF
  • Houlié, N. and B. Romanowicz (2011) Asymmetric deformation across the San Francisco Bay Area faults from GPS observations in northern California, Phys. Earth Planet. Inter., 184, 143-153. Download PDF
  • Yuan, H. ,B. Romanowicz, K. Fischer and D. Abt (2011) 3-D shear wave radially and azimuthally anisotropic velocity model of the north American upper mantle, Geophys. J. Int., 184, 1237-1260, doi: 10.1111/j.1365-246X.2010.04901.x.Download PDF
  • Wenk, R., S. Cottaar, C. Tomé, A. McNamara, B. Romanowicz (2011) Deformation in the lowermost mantle, from polycrystal plasticity to seismic anisotropy, Earth Planet. Sci. Lett., 306, 33-45. Download PDF
  • Lekic, V. and B. Romanowicz (2011) Tectonic regionalization without a priori information: a clustering analysis of upper mantle tomography, Earth Planet. Sci. Lett., 308, 151-160. Download PDF
  • Cupillard, P., L. Stehly and B. Romanowicz (2011) The one-bit noise correlation: a theory based on the concepts of coherent and incoherent noise, Geophys. J. Int., 184, 1397-1414.

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  • Romanowicz, B. and H. Yuan (2011) On the interpretation of SKS splitting measurements in the presence of several layers of anisotropy, 10.1111/j.1365-246X.2011.05301.x, Geophys. J. Int. Download PDF
  • Stehly, L., P. Cupillard and B. Romanowicz(2011) The one-bit noise correlation: a theory based on the concepts ofcoherent and incoherent noise, C. R. Geoscience., 343, 591-599. Download PDF


  • Lekic, V., M. Panning and B. Romanowicz (2010) A simple method for improving crustal corrections in waveform tomography, Geophys. J. Int., 182, 265-278. Download PDF
  • Abt, D., K. M. Fischer, S. W. French, H. A. Ford, H. Yuan and B. Romanowicz(2010) North American Lithospheric Discontinuity Structure Imaged By Ps and Sp Receiver Functions, J. Geophys. Res., 115, B09301, doi:10.1029/2009JB006914.
  • Roult, G., J. P. Montagner, B. Romanowicz et al. (2010) GEOSCOPE: Program progress and challenges in the last 30 years, Seismolog. Res. Lett., 81, 427-452.
  • Yuan, H. and B. Romanowicz (2010), Lithospheric Layering in the North American Continent, Nature, 466, 1063-1069. Download PDF-format reprint
  • Yuan, H. and B. Romanowicz (2010) Depth dependent anisotropy in the western U.S. upper mantle, Earth Planet. Sci. Lett., 300, 385-394. Download PDF-format reprint
  • Dziewonski, A. M., V. Lekic and B. Romanowicz (2010) Mantle Anchor Structure: an Argument for Bottom up Tectonics, Earth Planet. Sci. Lett., 299, 69-79. Download PDF
  • Panning, M., V. Lekic and B. Romanowicz (2010) The importance of crustal corrections in the development of a new global model of radial anisotropy, J. Geophys. Res., doi:10.1029/2010JB007520. Download PDF
  • Chang, S.-J., S. van der Lee, M. P. Flanagan, H. Bedle, F. Marone, E. M. Matzel, M. E. Pasyanos, A. J. Rodgers, B. Romanowicz, and C. Schmid (2010) Joint inversion for 3-dimensional S-velocity mantle structure along the Tethyan margin, J. Geophys. Res., doi:10.1029/2009JB007204.








  • Romanowicz B., D. Stakes, R. Uhrhammer, P. McGill, D. Neuhauser, T. Ramirez, D. Dolenc (2003) The MOBB experiment: a prototype permanent off-shore ocean bottom broadband station, EOS Trans AGU, 84, 325-332.
  • Gung, Y. C., M. Panning and B. Romanowicz (2003) Global anisotropy and the thickness of continents, Nature, 422, 707-711. Download PDF-format reprint
  • Romanowicz, B. (2003) Global mantle tomography: progress status in the last 10 years, Annu. Rev. Geoph. Space Phys, 31 (1), 303. Download electronic paper
  • Capdeville, Y., A. To and B. Romanowicz (2003) Coupling spectral elements and modes in a spherical earth: an extension o the "sandwich" case, Geophys. J. Int., 154, 44-57.. Download PDF-format reprint


  • F. Tajima, Megnin, C., D. Dreger and B. Romanowicz (2002) Near real-time determination of moment tensor and centroid location using broadband waveforms from a sparse seismic network, >Bull. Seism. Soc. Amer., 92, 739-750

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  • Tkalcic, H., B. Romanowicz and N. Houy (2002) Constraints on D" structure using PKP(AB-DF), PKP(BC-DF) and PcP-P travel time data from broadband records, Geophys. J . Int., 149, 599-616. Download this model and paper
  • Gee. L., D. Neuhauser, D. Dreger, M. Pasyanos, R. Uhrhammer and B. Romanowicz (2002) THe Rapid Earthquake Data Integration Project, in International Handbook of Earthquake and Engineering Seismology (W. Lee Editor), 81B, 1261-1273.
  • Stakes, D. S., B. Romanowicz, M. Begnaud and J.P. Montagner (2002) The MBARI Margin Seismology Experiment: MOISE, MOOS and a prototype seafloor observatory, in "Science-Technology Synergy for Research in the Marine Environment: Challenges for the XXI Century, L. Beranzoli, P. Favali and G. Smirglio, Eds, 93-110.
  • Kuo, C. and B. Romanowicz (2002) On the resolution of density anomalies in the Earth's mantle using spectral fitting of normal mode data, Geophys. J. Inter., 150, 162-179. Download PDF-format paper copies
  • Romanowicz, B. (2002) Global mantle tomography: recent achievements and future challenges, Acta Geophys. Polonica, 50, 3-21.
  • Romanowicz, B. and L. Ruff (2002) On moment-length scaling of large strike slip earthquakes and the strength of faults, Geophys. Res. Lett.,

10.1029/2001GL014479. Download PDF-format paper copies

  • Romanowicz, B. and Y.C. Gung (2002) Superplumes from the core-mantle boundary to the lithosphere: implications for heat flux, Science, 296, 513-516. Download PDF-format paper copies
  • Tkalcic, H. and B. Romanowicz (2002) Short scale heterogeneity in the lowermost mantle: insights from PcP-P and ScS-S data, Earth Planet. Sci. Lett., 201(1), 57-68. Download PDF-format paper copies
  • Romanowicz, B., H. Tkalcic and L. Breger (2002) On the origin of complexity in PKP travel time data from broadband records, in Earth's Core: Dynamics, Structure, Rotation, V. Dehant and K. Creager Eds, AGU Geodynamics Series , 31, 31-44.Download PDF-format final preprint


  • Uhrhammer, R.A., Dreger, D., and Romanowicz, B., (2001) Best practice in ea rthquake location using broadband three-component seismic waveform data, Pure Appl. Geophys., Vol. 158, no. 1/2, pp. 259-276. Download PDF-format paper copies
  • Stutzmann, E. JP Montagner, et al. (2001) MOISE: A prototype multiparameter Ocean-bottom station, Bull. Seism. Soc. Am., 91, 885-892.


  • Clévede E., C. Mégnin, B. Romanowicz, and P. Lognonné (2000) "Modeling of waveforms in a 3-D Earth: asymptotic and non-asymptotic approaches", Phys. Earth Planet. Inter. , 119,37-56.Download PDF>
  • Igel, H., N. Takeuchi, R. Geller, C. Megnin, H.P. Bunge, E. Clevede, J. Dalkolmo and B. Romanowicz (2000) The COSY Project: verification of global seismic modeling algorithms, Phys. Earth Planet. Inter. , 119, 3-24. Download PDF
  • Bréger, L., Tajima, F., Dreger, D., and Romanowicz, B. (2000) Source rupture of the 17 August Izmit/Turkey earthquake, in Barka,A., Kozaci, O., Akyuz, S. and Altunel, E., eds., The 1999 Izmit and Duzce Earthquakes: preliminary results, ITU publication, ISBN 975-561-182-7, Istanbul, Turkey, pp. 123-130.
  • Bréger, L., H. Tkalcic and B. Romanowicz (2000) The effect of D" on PKP(AB-DF) travel time residuals and possible implications for inn er core structure, Earth Planet. Sci. Lett. , 175, 133-143. Download PDF
  • Bréger, L., B. Romanowicz and S. Rousset (2000) New constraints on the structure of the inner core from P'P', Geophy s. Res. Lett., 27, 2781-2784. Download PDF-format paper copies
  • Mégnin, C. and B. Romanowicz (2000) The 3D shear velocity structure of the mantle from the inversion of body, surface and higher mode waveforms, Geophys. J. Inter., 143, 709-728. Download PDF
  • Romanowicz, B. and L. Bréger (2000) Anomalous splitting of free oscillations: a reevaluation of possible interpretations, J. Geophys. Res., 105, 21,559-21,578. Download PDF
  • Mégnin, C. and B. Romanowicz (2000) A comparison between tomographic and geodynamic models of the earth's mantle, History and Dynamics of Plate Motions, Geophysical Monograph 121, AGU, 257-276.


  • Antolik, M., D. Dreger and B. Romanowicz (1999) Rupture process of large deep-focus earthquakes from inversion of moment rate functions, J. Geophys. Res., 104, 863-894..Download PDF
  • Mégnin, C. and B. Romanowicz (1999) The effect of theoretical formalism and data selection scheme on mantle models derived from waveform tomography, Geophys. J. Inter., 138, 366-380. Download PDF
  • Durek, J. and B. Romanowicz (1999) Inner core anisotropy inferred by direct inversion of normal mode spectra, Geophys. J. Inter. , 139, 599-622. Download PDF-format paper copies
  • Bréger, L., B. Romanowicz, and H. Tkalcic (1999) PKP(BC-DF) travel times: New constraints on short scale heterogeneity in the deep earth? Geophys. Res. Lett., 26, 3169-3172. Download PDF
  • Stidham, C., M. Antolik, D. Dreger. S. Larsen and B. Romanowicz (1999) Three-Dimensional structure influences on the strong-motion wavefield of the 1989 Loma Prieta Earthquake, Bull. Seism. Soc. Am., 89, 1184-1202.
  • Romanowicz, B. and J. Durek (1999) Attenuation in the earth: a review, Geophysical Monograph, AGU, 117, 161-180.


  • Vinnik, L., L. Breger and B. Romanowicz (1998) On the inversion of Sd particle motion for anisotropy in D", Geophys. Res. Lett., 25, 679-682. Download PDF
  • Uhrhammer, R., W. Karavas and B. Romanowicz (1998) Broadband seismic station installation guidelines, Seism. Res. Lett. , 69, 15-26.
  • Breger, L., B. Romanowicz and L. Vinnik (1998) Tests of tomographic models in D" using differential travel times, Geophys. Res. Lett., 25, 5-8. Download PDF-format paper copies
  • Bunge, P. M., Richards, C. Lithgow-Bertelloni, B. Romanowicz and S. Grand (1998) Time scales and hetero geneous structure in geodynamic Earth models, Science, 280, 91-95.Download PDF-format paper copies
  • Pollitz, F., R. Burgmann and B. Romanowicz (1998) Viscosity of oceanic asthenosphere inferred from remote triggering of earthquakes, Science, 280, 1245-1249. Download PDF-format paper copies
  • Lognonne, P., V.N. Zharkov, J.F. Karczewski, B. Romanowicz, M. Menvielle, G. Poupinet, B. Brient, C. Cavoit, A. Desautez, B.Dole, D. Franqueville, J. Gagnepain-Beyneix, H. Richard, P. Schibler an d N. Striebig (1998) The seismi OPTIMISM experiment, Planet. Space. Sci., 46, 739-747.
  • Dreger, D., R. Uhrhammer, M.Pasyanos, J. Franck and B. Romanowicz (1998) regional and far-regional earthquake locations and source parameters using sparse broadband networks: a test on the Ridgecrest sequence, BSSA, 88, 1353-1362.
  • Romanowicz, B. (1998) Attenuation tomography of the Earth's Mantle: a review of current status, Pageoph.,153, 257-272.
  • Stakes, D., B. Romanowicz, J.P. Montagner, P. Tarits, J-F. Karczewski, S. Etchemendy, D. Neuhauser,P. McGill, J.C. Koenig, J.Savary, M. Begnaud, M. Pasyanos (1998) MOISE: Monterey Bay Ocean Bottom Intermational Seismic Experiment, EOS Trans AGU, 79, 301-309.
  • Romanowicz, B., D. Stakes, J.P. Montagner, P. Tarits, R. Uhrhammer, M. Begnaud, E. Stutzmann, M. Pasyanos, J-F. Karczewski, S. Etchemendy, D. Neuhauser (1998) MOISE: A pilot experiment towards lon g term sea-floor observatories, Earth, Planets and Space, 50, 927-937.


  • Souriau, A. and B. Romanowicz (1997) Anisotropy in the inner core: relation between P-velocity and attenuation, Phys. Earth Planet. Inter.,101, 33-47 (View Abstract).
  • Megnin, C., H.P. Bunge, B. Romanowicz and M. Richards (1997) Imaging 3-D spherical convection models: what can seismic tomography tell us about mantle dynamics?, Geophys. Res. Lett., 24, 1299-1302. Download PDF-format paper copies
  • Romanowicz, B., L.Gee, M. Murray, D. Neuhauser and R. Uhrhammer (1997) Real time access to multiparameter geophysical observatories in northern California, IRIS Newsletter, XVI-1, 6-8.
  • Jeanloz R. and B. Romanowicz, Geophysical Dynamics at the center of the Earth, Physics Today, August 1997.


  • Romanowicz, B., X.D. Li and J. Durek (1996) Anisotropy in the inner core: could it be due to low order convection?, Science, 274, 963-966.Download PDF
  • Souriau, A. and B. Romanowicz (1996), Anisotropy in inner core attenuation: a new type of data to constrain the nature of the solid core, Geophys. Res. Lett., 23, 1-4.
  • Antolik, M. D. Dreger and B. Romanowicz (1996) Finite fault study of the great 1994 deep Bolivia earthquake, Geophys. Res. Lett., 23, 1589-1592.
  • Gee, L., D. Dreger, D. Neuhauser, R. Uhrhammer, and B. Romanowicz (1996) The REDI program, Bull. Seism. Soc. Am., 86, 936-945.
  • Li, X.D. and B. Romanowicz (1996) Global mantle shear velocity model developed using nonlinear asymptotic coupling theory, J. Geophys. Res., 101. 22,245-22,273.Download PDF
  • Pasyanos, M., D. Dreger and B. Romanowicz (1996) Towards Real time estimation of regional moment tensors, Bull. Seism. Soc. Am., 86, 1255-1269
  • Uhrhammer, R., S. Loper and B. Romanowicz (1996) Determination of local magnitude using BDSN broadband re cords, Bull. Seism. Soc. Am., 86, 1314-1330.


  • Romanowicz, B. (1995) A global tomographic model of shear attenuation in the upper mantle, J. Geophys. Res., 100, 12,375-12,394.
  • Li, X-D and B. Romanowicz (1995) Comparison of global waveform inversions with and without considering cross branch coupling, Geophys. J. Int., 121, 695-709.

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  • Vinnik, L., B. Romanowicz, Y. LeStunff and L. Makeyeva (1995) Seismic anisotropy in the D" layer, Geophys. Res. Lett., 22, 1657-1660
  • LeStunff, Y., C. Wicks and B. Ro manowicz (1995) P'P' precursors under Africa: a broadband investigation, Science, 270, 74-77.
  • Kuo, C., H.J. Crawford, R. Jeanloz, B. Romanowicz, G. Shapiro and M.L. Stevenson (1995). Extraterrestrial neuterinos and Earth Structure. Earth and Planet. Science Lett., 133, 95-103.


  • Romanowicz, B. (1994) On the measurement of anelastic attenuation using amplitudes of low frequency surface waves, Phys. Earth Planet. Int., 84, 179-192.
  • Montagner, J.P., J.F. Karczewski, B. Romanowicz et al. (1994) The French pilot experiment OFM/SISMOBS: first scientific results on noise level and event detection, Phys.Earth Planet Int, 84, 321-336.
  • Romanowicz, B., D. Neuhauser, B. Bogaert and D.Oppenheimer (1994) Accessing Northern California Earthquake Data Via Internet, EOS Trans A.G.U., 75, 258-261.
  • Montagner, J.P., B. Romanowicz and J.F. Karczewski (1994) A first step toward an Oceanographic Geophysical Observatory, EOS Trans A.G.U., 75, 13, 150-151, 154.
  • Vinnik, L., B. Romanowicz and L. Breger (1994) Anisotropy in the center of the Inner Core, Geophys. Res. Lett., 21, 1671-1674.
  • Dreger, D. and B. Romanowicz (1994) Source characteristics of events in the San Francisco Bay region, in USGS Open-file report no 94-176, 301-309, 1994.
  • Romanowicz B. (1994) Anelastic tomography: a new perspective on upper-mantle thermal structure, Earth and Plan et. Science Lett., 128, 113-121.Download PDF-format paper copies
  • Romanowicz B. and J. Rundle (1994) Reply to comments on "On scaling relations for large earthquakes" by Sornette and Sornette, Bull. Seism. Soc. Am., 84, 1684. Download PDF-format paper copies
  • Romanowicz, B. (1994) Comments on: "A reappraisal of large earthquake scaling" by C. Scholz, Bull. Seism. Soc. Am., 84, 1675-1676. Download PDF-format paper copies


  • Oppenheimer, D., G. Beroza, G. Carver, L. Dengler, L. Gee, B. Romanowicz and others (1993) The Cape Mendocino earthquakes of April 1992 - Subduction at the triple junction, Science, 261, 433-438.
  • Romanowicz, B., D. Dreger, M. Pasyanos, and R. Uhrhammer (1993) Monitoring of strain release in central and northern California using broadband data, Geophys. Res. Lett., 20(15), 1643-1646.
  • Bussy, M., J.-P. Montagner, and B. Romanowicz (1993) Tomographic study of upper mantle attenuation in the Pacific Ocean, Geophys. Res. Lett., 20(8), 663-666.
  • Montagner, J.-P., and B. Romanowicz (1993) Degrees 2-4-6 inferred from seismic tomography, Geophys. Res. Lett., 20(7), 631-634.


  • Gaulon, R., J. Chorowicz, G. Vidal, B. Romanowicz, G. Roult (1992) Regional geodynamics implications of the May-July earthquake sequence in S. Sudan, Tectonophysics, 209, 87-103.
  • Romanowicz, B. (1992) Strike-slip earthquakes on Quasi Vertical transcurrent faults: inferences for general scaling relations, Geophys. Res. Lett., 19,481-484 Download PDF-format paper copies
  • Bourjot, L. and B. Romanowicz (1992) Crust and upper-mantle tomography in Tibet using surface waves, Geophys. Res. Lett., 19,881-884.Download PDF-format paper copies


Romanowicz, B. and K. Lambeck (1977) The moment of inertia of the Earth, Phys. Earth. Planet. Int, 15, 1-4.

Dziewonski, A.M and B. Romanowicz (1977). An exact solution to the problem of excitation of normal modes by a propagating fault, Lincoln Lab., MIT, Semi-annual Report.

Romanowicz, B. (1979) Seismic structure of the upper mantle beneath the United States by three dimensional inversion of body wave arrival times, Geophys. J. R. astr. Soc., 57, 479-506.Download PDF-

Romanowicz, B. (1980) A study of large scale lateral variations of P velocity in the upper mantle beneath western Europe, Geophys. J. R. astr. Soc., 6, 217-232.

Romanowicz, B. (1980) Large scale three dimensional structure beneath the Western U.S. and the lost Farallon plate, Geophys. Res. Lett., 7,345-348. Download PDF-

Romanowicz, B. and M. Cara (1980) Reconsideration of the relations between S and P station anomalies in North America, Geophys. Res. Lett., 7, 417-420.Download PDF-

Poirier, J.P., B. Romanowicz, and M.A. Taher (1980). Large historical earthquakes and seismic risk in northwest Syria, Nature, 285, 217-220.

Romanowicz, B. (1981) Depth resolution of earthquakes in central Asia by moment tesnor inversion of long-period Rayleigh waves: effects of phase velocity variations across Eurasia and their calibration, J. Geophys. Res., 86, 5963-5984.

Romanowicz, B. (1982) Constraints on the structure of the Tibet Plateau from pure path phase velocities of Love and Rayleigh waves, J. Geophys. Res., 87, 6865-6883.

Romanowicz, B. (1982) Moment tensor inversion of long period Rayleigh waves: a new approach, J. Geophys. Res., 87, 5395-5407.

Romanowicz, B. (1983) Inversion of surface waves, Il nuovo Cimiento, Proceeedings of the International School of Physics "Enrico Fermi", Earthquakes: Observation, Theory and Interpretation, H. Kanamori and E. Boschi, Eds.

Romanowicz, B. and G. Suarez (1983) An improved method to obtain the moment tensor depth of earthquakes from the amplitude spectrum of Rayleigh waves, Bull. Seism. Soc. Am., 73, 1513-1526.

Romanowicz, B. (1984) Pure path attenuation measurements of long period Rayleigh waves across the Tibet Plateau , Phys. Earth Planet. Int., 36, 116-123.

Romanowicz, B., M. Cara, J.F. Fels and D. Rouland (1984) Geoscope: a french initiative in long period three component seismic networks, E.O.S. Trans, A.G.U., 65, 753-754.

Roult, G. and B. Romanowicz (1984) Very long period data from the GEOSCOPE network: preliminary results on great circle averages of fundamental and higher Rayleigh and Love modes, Bull. Seism. Soc. Am., 74, 2221-2243.

Romanowicz, B. and Ph. Guillemant (1984) An experiment in the retrieval of depth and source parameters of large earthquakes using very long period Rayleigh wave data, Bull. Seism. Soc. Am., 74, 417-437.

Brandon, C. and B. Romanowicz (1986). A no-lid zone in the central Chang Thang platform of Tibet: evidence from pure path phase velocities of long period Rayleigh waves, J. Geophys. Res., 91, 6547-6564.

Hadiouche, O., N. Jobert and B. Romanowicz (1986) First two-station results for long period surface waves velocities from the GEOSCOPE stations in Africa, Geophys. Res. Lett., 13, 547-550.

Monfret, T. and B. Romanowicz (1986) Importance of onscale observations of first arriving Rayleigh wave trains for source studies: example of the Chilean event of March 3, 1985, observed on the GEOSCOPE and IDA networks, Geophys. Res. Lett., 10, 1015-1018.

Romanowicz, B. A. and A. M. Dziewonski, Towards a federation of broadband seismic networks, {it EOS, Trans. Am. Geophys. Un.} {bf 67}, 541-542, 1986.

Nolet, G., B. Romanowicz, E. Wielandt and R. Kind (1986) ORFEUS SCience Plan, Reidel Publ. Co.

Romanowicz, B. and T. Monfret (1986) Source process times of large earthquakes by moment tensor inversion fo mantle wave data and the effect of lateral heterogeneity, Ann. Geophys., 4,B, 3, 271-283.

Romanowicz, B. and G. Roult (1986) First order asymptotics for the eigenfrequencies of the earth and application to the retrieval of large scale variations of structure, Geophys. J. R. astr. Soc., 87, 209-239. Download PDF-

Romanowicz, B. (1987) Multiplet-multiplet coupling due to lateral heterogeneity: asymptotic effects on the amplitude and frequency of the earth's normal modes, Geophys. J. R. astr. Soc., 90, 75-100. Download PDF-

Romanowicz, B. and A.M. Dziewonski (1987). Global digital network: research opportunities and recent initiatives, in Composition, Structure and Dynamics of the Lithosphere-asthenosphere system, C. Fuchs , C. Froidevaux Eds., A.G.U., Public., Geodynamics series, VOl. 16, 99-110.

Romanowicz, B., G. Roult and T. Kohl (1987). The upper mantle degree two pattern: constraints from Geoscope fundalental spheroidal mode eigenfrequency and attenuation measurements, Geophys. Res. Lett., 14, 1219-1222.Download PDF-

Romanowicz, B. and G. Roult (1988). Asymptotic approximations for normal modes and surface waves in the vicinity of the antipode: constraints on global earth models, J. Geophys. Res., 93, 7885-7896.

Snieder, R. and B. Romanowicz (1988) A new formalism for the effect of lateral heterogeneity on normal modes and surface waves: I Isotropic perturbations, perturbations of interfaces and graqvitational perturbations.

Romanowicz, B. and R. Snieder (1988) A new formalism fo rthe effect of lateral heterogeneity on normal modes and surface waves. Part II: General anisotropic perturbation, Geophys. J., 93, 91-99.

A. Mocquet, B. Romanowicz and J.P. Montagner (1988). Three dimensional sutrcture of the upper mantle beneath the Atlantic ocean inferred from long period Rayleigh waves. I: Group and phase velocity distributions, J. Geophys. Res., 94, 7449-7468.

Romanowicz, B. (1988). Asymptotic Theory of Normal Modes and Surface Waves, Oceanographic and Geophysical Tomography, 134-158. Neele, F., Ph. Lognonn=E9, B. Romanowicz and R. Snieder (1989) Effect of sharp lateral heterogenei ty on the normal modes of the earth, Geophys. Res. Lett.

Vinnik, L., V. Farra and B. Romanowicz (1989) Observational evidence for diffracted SV in the shadow of the earth's core, Geophys. Res. Lett., 16, 519-522.

Vinnik, L., V. Farra, and B. Romanowicz (1989) Azimuthal anisotropy in the earth from observations of SKS at Geoscope and Nars broad band stations, Bull. Seism. Soc. Am., 79, 1542-1558.

A. Cisternas, H. Philip., J.C. Bouquet,....B. Romanowicz et al. (1989). The Spitak (Armenia) earthquake of December 7, 1988: field observations, seismology and tectonics, Nature, July 1989.

Monfret, T., A. Deschamps and B. Romanowicz (1990). The Romanian earthqua ke of August 30, 1986: a preliminary study based on Geoscope very long period and broad band data, Pageoph., 133, 367-379.Download PDF-format paper copies

G. Roult, B. Romanowicz and J.P. Montagner (1990) 3D upper mantle shear velocity and attenuation from fundamental mode free oscillation data, Geophys. J. Int., 101, 61-8 0.

Romanowicz, B. (1990). The upper mantle degree two: constraints and inferences on attenuation tomography from global mantle wave measurements, J. Geophys. Res., 95, 11051-11071. Download PDF-format paper copies

Lognonn=E9, Ph. and B. Romanowicz (1990a) Modelli ng of coupled normal modes of the Earth: the spectral method, Geophys. J. Int., 102, 365-395.

Lognonne, Ph. and B. Romanowicz (1990b) Effect of a global plume distribution on the Earth's normal modes, Geophys. Res. Lett.

Mocquet, A. and B. Romanowicz (1990). Three dimensional structure of the upper mantle beneath the Atlantic ocean inferred from long period Rayleigh waves: II: Inversion, J. Geophys. Res., 95, 6787-6798.

Romanowicz, B. and H. Lyon Caen (1990) The Loma Prieta earthquake of October 18, 1989: results of teleseismic mantle and body wave inversion, Geophys. Res. Lett., 17, 1191-1194.

Ekstrom, G. and B. Romanowicz (1990) The 23 May 1989 Macquar ie ridge earthquake: a very broad band analysis, Geophys. Res. Lett., 17, 993-996.

Romanowicz, B., J.F. Karczewski, M. Cara, P. Bernard, J. Borsenberger, B. Dole, D. Fouassier, J.C. Koenig, M. Morand, R. Pillet, A. Pyrolley and D. Rouland.(1991) The Geoscope program: present status and perspectives, Bull. Seism. Soc. Am., 81, 243-264.

L. Vinnik and B. Romanowicz (1991) Origin of precursors to teleseismic S waves, Bull. Seism. Soc. Am., 81, 1216-1230.

Farra, V., L. Vinnik, B. Romanowicz, G.L. Kosarev and R. Kind (1991) Inversion of teleseismic particle motion for azimuthal anisotropy in the lithosphere: a feasibility study, Geophys. J. Int., 106, 421-431. Download PDF-format paper copies

Romanowicz, B. (1991) Seismic tomography of the earth's mantle, Ann. Rev. of Earth and Planet. Sci., 19, 77-99.

Bernard, P., J.F. Karczewski, M. Morand, B. Dole and B. Romanowicz (1991). The G- Calibration: a new method for an absolute in situ calibration of long-period accelerometers, tested o n the Streckeisen instruments of the Geoscope network, Bull. Seism. Soc. Am., 81, 1360-1372.

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