Professor of Geophysics
Director, Seismological Laboratory

o f f i c e
209 McCone Hall
f a x
(510) 643-5811
e - m a i l

Seismological Laboratory

o f f i c e

207 McCone Hall
t e l e p h o n e
(510) 642-3977
f a x
e - m a i l

Research Interests | Academic Background | Employment | Awards | Graduate Students | Recent Publications | Publications 1977-1995 | Service


i n t e r e s t s

Deep earth structure and dynamics: seismic tomography, waveform modelling as pertaining to the determination of deep mantle, core mantle boundary and core structure. Wave propagation in heterogeneous media. Earthquake processes and scaling laws, real time estimation of earthquake parameters. Development of modern seismic and geophysical observatories on land and on the ocean floor.

top of the page


b a c k g r o u n d

1970-1974 Ecole Normale Supérieure, "Sèvres", Paris, France
1972 Maîtrise de Mathématiques Pures, Université Paris 6.
1973 Agrégation de Mathématiques, Paris, France
1975 Master of Science in Applied Physics, Harvard University
1975 Doctorat de 3e cycle in Astronomy, Université Paris 6.
1979 Doctorat d'Etat, Université Paris 7, Spécialité Géophysique.

top of the page



1978-79 Attachée de Recherches, C.N.R.S., Institut de Physique du Globe, Paris.
1979-81 Post Doctoral Associate, M.I.T., Cambridge, Mass.
1981-86 Chargée de Recherches, C.N.R.S., I. P. G., Paris.
Director, Geoscope Program
1986-90 Directeur de Recherches, C.N.R.S., I. P. G., Paris.
Director, Geoscope Program
1991-present Professor of Geophysics, University of California at Berkeley
Director, Berkeley Seismological Laboratory



1989 French Academy of Sciences Prize (Fonds Doistau-Blutet)
1990 Fellow, American Geophysical Union
1992 Silver Medal of the Centre National de la Recherche Scientifique (French NSF)
1999 Wegener Medal of the European Union of Geosciences
2001 Fellow American Academy of Arts and Sciences

top of the page



1981-90 Member,Scientific Board, IPG Paris
1984-90 Vice-President, Seismological section of CNFGG (IUGG Rep. for France)
1984 Organizer, Symposium on "broad band and long period seismology in Europe"
1984-85 Chair, EGS Working Group on European Broadband Digital Network (to become ORFEUS)
1985-90 Member, Executive Committee of ORFEUS
1986 Co-Convenor, Symposium on "array and Global Network seismology", EGS/ESC meeting, Kiel,RFA
1986-89 Vice-President, FDSN (Federation of Digital Seismic Networks
1987-90 European Editor, Geophysical Research Letters
1987-90 Co-PI for Seismology on Mars, project Mars 94 of CNES
1989-91 Member, Executive Committee FDSN
1989-91 PI Project "OFM/SISMOBS"(broadband seafloor pilot experiment in and near ODP hole 396b
1991-92 Co-PI Project "OFM/SISMOBS"

SINCE 1991

1991-to pres. Honorary President, Geoscope Program
1989-92 Co-Principal Investigator, project "OFM/SISMOBS". Successful phase 1 experiment in mid-Atlantic in April-May 1992.
1991 Geophysics Review Panel, N.S.F. (spring 1991, substituting)
1991-1994 Instruments and Facilities Review Panel, N.S.F.
1991-to pres. Member, Advisory Council to the Southern California Earthquake Center (Chair, 1991-1994)
1991-93 Member, GSN Standing Committee, IRIS, also liaison to Ocean Seismic Network
1991 to 97 Member, Board of Directors of Seismological Society of America.
1992 Organizer, "Symposium on Broadband Seismology", U.C. Berkeley
1994-96 Member, Fellows Committee, AGU
1994-96 Member,Ocean Seismic Network committee
1994-to 1997 Secretary, International Ocean Network committee
1994-96 President Elect, Seismology Section, American Geophysical Union
1996-2000 Editor, Physics of Earth and Planetary Interiors
1996-98 President, Seismology Section, American Geophysical Union
1996 member, NSF review panel for CHiPR ( National Science Center for High Pressure Research)
1997 Co PI, MOISE experiment (broadband seafloor pilot experiment in Monterey Bay,CA
1997- Member, CHiPR advisory board.
1998-to pres. Chair, International Ocean Network Committee.
1997 Member, Site review team for Department of Earth and Space Sciences, UCLA.
1997 Member, review committee for the Department of Earth and Planetary Sciences, Harvard University
1997-pres. Member, National Research Council Committee on the "Science of Earthquakes"
1998-1999 Member, advisory committee for SCiGN program
1998-pres. Member, advisory committee for TriNet program
1998-1999. Member IRIS Planning Committee
1999 Member, Intern. Review Team for Earthq. Res Inst., Tokyo, Japan
1999-pres. Chair, Global Seismic Network Standing Committee, IRIS
2000-pres. Member, IASPEI Bureau
2000-pres. Member, PBO Steering Committee
2000-2001 Chair, California Integrated Seismic Network (CISN) Steering Co.
2001-pres. Member, CISN Steering Co.
2001-pres. Member, Ocean Observatories Steering Committee (DEOS, NSF)
2001 Co-chair, Steering Committee, OHP/ION Symposium, Mt Fuji, Japan, Jan 21-27,2001
2002 Co-chair, Steering Committee, Earthscope CSIT Workshop, Snowbird, Utah, March 24-27,2002

top of the page


P H. D. _A N D- M A S T E R' S
s t u d e n t s

Brandon, Catherine: Thèse de 3e cycle Paris 1985
Ghorabi, Moncef: Thèse de 3e cycle Paris 1985
Monfret, Tony: Thèse de l'Université Paris 7, 1987 (currently research scientist in Chile)
Mocquet, Antoine: Thèse de l'Université Paris 7, 1987 (currently Professor in Rennes, France)
Lognonné, Philippe: Thèse de l'Université Paris 7, 1989 (currently Professor in Paris, France)
Bourjot, Laurence: Thèse de l'Université Paris 7, 1991
Bussy, Martine: Thèse de l'Universite Paris 7, 1993
Nawab, Ramin: Thèse de l'Universite Paris 7, 1994
Le Stunff, Yves: PhD UC Berkeley 1995 (currently research scientist at TOTAL, France)
Antolik, Michael: PhD UC Berkeley 1996 (currently post-doc at Harvard:
Pasyanos, Michael: PhD, UC Berkeley 1996 (currently post-doc at Lawrence Livermore National Laboratory:
Mégnin, Charles: PhD UC Berkeley 1999, (currently at)
Kuo, Chaincy: PhD UC Berkeley 2000 (currently post-doc at LBNL:
Bréger, Ludovic: PhD UC Berkeley 1999 (currently with Barra:
Tkalcic, Hrvoje: PhD, UC Berkeley 2001
Gung, Yuan-Cheng: PhD Candidate 1998- UC Berkeley
Panning, Mark: PhD Candidate 1999- UC Berkeley
Rhie, Junkee: PhD Candidate 2000- UC Berkeley
Toh, Akiko: PhD Candidate 2000- UC Berkeley
Rousset, Sébastien: PhD Candidate 2001- UC Berkeley

top of the page



Check-out recent tomographic models of the mantle:

SAW12D: Whole Mantle Shear Velocity Model (1996)

SAW24B16: Whole Mantle Shear Velocity Model (2000)

D" model derived from PKP and PcP data


Clévédé E., C. Mégnin, B. Romanowicz, and P. Lognonnée (2000) "Modeling of waveforms in a 3-D Earth: asymptotic and non-asymptotic approaches", P.E.P.I., 119,37-56.

Igel, H., N. Takeuchi, R. Geller, C. Mégnin, H.P. Bunge, E. Clévédé, J. Dalkolmo and B. Romanowicz (2000) The COSY Project: verification of global seismic modeling algorithms, PEPI, 119, 3-24.

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 inner core structure, EPSL, 175, 133-143.

Bréger, L., B. Romanowicz and S. Rousset (2000) New constraints on the structure of the inner core from P'P', Geophys. Res. Lett., 27, 2781-2784.

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., Geophys. J. Inter., 143, 709-728.

Romanowicz, B. and L. Bréger (2000) Anomalous splitting of free osccilations: a reevaluation of possible interpretations, J. Geophys. Res., 105, 21,559-21,578.

Uhrhammer, R.A., Dreger, D., and Romanowicz, B., (2001) Best practice in earthquake location using broadband three-component seismic waveform data. PAGEOPH, Vol. 158, no. 1/2, pp. 259-276.

Romanowicz, B., (2001) Can we resolve 3D density heterogeneity in the lower mantle? Geophys. Res. Lett., 28, 1107-1110.

Bréger, L., B. Romanowicz and C. Ng (2001) The Pacific plume as seen by S, ScS, and SKS, Geophys. Res. Lett., 28,1859-1862.

Stutzmann, E. JP Montagner, et al. (2001) MOISE: A prototype multiparameter Ocean-bottom station, BSSA, 91, 885-892.

Romanowicz, B. and D. Giardini (2001) The future of permanent seismic networks, Science, 293, 2000-2001.

Romanowicz B. (2002) Inversion of surface waves: a review, in press, IASPEI Handbook (W. Lee Editor)

F. Tajima, Mégnin, 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, BSSA, in press.

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 press, IASPEI Handbook (W. Lee Editor).

Stakes, D. S., B. Romanowicz, M. Begnaud , K. McNally, J.P. Montagner, E. Stutzmann and M. Pasyanos (2002) The MBARI Margin Seismology Experiment: 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.

Romanowicz, B. (2002) Global mantle tomography: recent achievements and future challenges, in press, 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, in press, Geophys. Res. Lett.

Romanowicz, B. and Y.C. Gung (2002) Superplumes from the core-mantle boundary to the lithosphere: implications for heat flux, Science, 296, 513-516.

Tkalcic, H. and B. Romanowicz (2002) Short scale heterogeneity in the lowermost mantle: insights from PcP-P and ScS-S data, in press, EPSL.

Romanowicz, B., H. Tkalcic and L. Breger (2002) On the origin of complexity in PKP travel time data from broadband records, AGU Geodynamics Series, Vol edited by V. Dehant, K. Creager, in press.

Recently submitted:

Gung, Y. C. and B. Romanowicz (2002) Q tomography of the upper mantle using three component long period waveforms, submitted to J. Geophys. Res.

Capdeville, Y., B. Romanowicz and A. To (2002) Coupling spectral elements and modes in a spherical earth: an extension to the "sandwich" case, submitted to Geophys. J. Int.

Romanowicz, B. (2002) Global mantle tomography: progress status in the last 10 years, {\it Annu. Rev. Geoph. Space Phys}, submitted

Romanowicz, B. (2002) The 3D structure of the lower mantle, {\it C.R.A.S.}, submitted.


Vinnik, L., L. Bréger and B. Romanowicz (1998) On the inversion of Sd particle motion for anisotropy in D", Geophys. Res. Lett., 25, 679-682.

Uhrhammer, R., W. Karavas and B. Romanowicz (1998) Broadband seismic station installation guidelines, Seism. Res. Lett., 69, 15-26.

Bréger, L., B. Romanowicz and L. Vinnik (1998) Tests of tomographic models in D" using differential travel times, Geophys. Res. Lett., 25, 5-8.

Bunge, P. M., Richards, C. Lithgow-Bertelloni, B. Romanowicz and S. Grand (1998) Time scales and heterogeneous structure in geodynamic Earth models, Science, 280, 91-95.

Pollitz, F., R. Burgmann and B. Romanowicz (1998) Viscosity of oceanic asthenosphere inferred from remote triggering of earthquakes, Science, May 21 issue.

Lognonnée, 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 and 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.

Pasyanos, M. and B. Romanowicz (1998) Crust and upper mantle structure beneath the western U.S. from regional surface wave measurements, Part I: Phase velocities, J. Geophys.Res., in review.

Vinnik, L., L. Bréger and B. Romanowicz (1998) Anisotropic structures at the base of the mantle, Nature, June 21 issue.

Romanowicz, B. (1998) Attenuation tomography of the Earth's Mantle: a review of current status, Pageoph.,153, 257-272.

Bréger, L. and B. Romanowicz (1998) Thermal and chemical 3D heterogeneity in D", Science, 282, 718-720.

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 long term sea-floor observatories, Earth, Planets and Space, 50, 927-937.

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.

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.

Mégnin, C. and B. Romanowicz (1999) A comparison between tomographic and geodynamic models of the earth's mantle, History and Dynamics of Plate Motions, Geophysical Monograph, AGU, 121, 257-276.

Durek, J. and B. Romanowicz (1999) Inner core anisotropy inferred by direct inversion of normal mode spectra, Geophys. J. Inter, 139, 599-622.

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.

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, BSSA, 89, 1184-1202.

Romanowicz, B. and J. Durek (1999) Attenuation in the earth: a review, Geophysical Monograph, AGU, 117, 161-180.


Romanowicz, B. and J. Rundle (1993) On scaling relations for large earthquakes, Bull.Seism. Soc. Am., 83:4, 1294-1297

Romanowicz, B., (1993) Spatiotemporal patterns in the energy release of great earthquakes, Science, 260, 1923-1926

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. (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. Bréger (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.

Okal, E. A. and B. Romanowicz (1994) On the variation of b-values with earthquake size, Phys. Earth Planet. Int., 87, 55-76.

Romanowicz B. (1994) Anelastic tomography: a new perspective on upper-mantle thermal structure, Earth and Planet. Science Lett., 128, 113-121.

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.

Romanowicz, B. (1994) Comments on: "A reappraisal of large earthquake scaling" by C. Scholz, Bull. Seism. Soc. Am., 84, 1675-1676.

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.

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. Romanowicz (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.

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.

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 records, Bull. Seism. Soc. Am., 86, 1314-1330.

Souriau, A. and B. Romanowicz (1997) Anisotropy in the inner core: relation between P-velocity and attenuation, Phys. Earth Planet. Inter.,101, 33-47 (Abstract).

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.

Mégnin, 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.

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.


top of the page


P U B L I C A T I O N S 1977-1992

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.

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.

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.

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.

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.

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.

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 heterogeneity 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 (1989). The Romanian earthquake of August 30, 1986: a preliminary study based on Geoscope very long period and broad band data, Pageoph., 133, 367-379.

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, 61-80.

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.

Lognonn=E9, Ph. and B. Romanowicz (1990a) Modelling 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 Macquarie 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.

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 on the Streckeisen instruments of the Geoscope network, Bull. Seism. Soc. Am., 81, 1360-1372.

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.

Bourjot, L. and B. Romanowicz (1992) Crust and upper-mantle tomography in Tibet using surface waves, Geophys. Res. Lett., 19,881-884.

top of the page