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Research Highlights


Carène S. Larmat

Computational Geophysicist

Mme. C. Larmat


  • Computational Seismology - normal modes summation, spectral element method, high performance computing at LANL
  • Seismology - seismic source study using Time Reversal, glacial earthquakes, tremor, Martian seismology (when we will have data), source depth determination
  • Non-Linear Seismology/Acoustics - Time Reversal, numerical modeling of non-linear wave propagation



  • 505-667-2074 - Phone
  • 505-667-8487 - FAX



  • 2005 Ph.D. (Deep Earth Geophysics) Institute of Earth Physics of Paris (IPGP)
  • 2000 M.S. (Geophysics) Institute of Earth Physics of Paris (IPGP)
  • 1999 B.A. (Earth and Universe Sciences) University of Rennes 1 (France)



  • 2011-Present: Geoscientist, Los Alamos National Laboratory, EES-17
  • 2007-2010: Postdoc, Los Alamos National Laboratory, EES-17; P.A. Johnson, Mentor
  • 2006: Postdoc, Institut de Physique du Globe de Paris, web site of GEOSCOPE; G. Roult, Mentor
  • 2005-2006: Postdoc, California Institute of Technology, Department of Seismology; J. Tromp, Mentor.


Professional Societies

  • American Geophysical Union
  • Seismological Society of America
  • American Association for the Advancement of Science


Honors and Awards

  • 2011 - Los Alamos Spot Award - Exceptional support above and beyond the call of duty to meet the expectations of the Chevron client
  • 2008 - Los Alamos Achievement Award - Methods and results using acoustics sensing and imaging
  • 2008 - Research featured in LANL Science & Technology Magazine 1663 (August, 2008)
  • 2008 - Los Alamos Spot Award - Outstanding presentation in a scientific review
  • 2005 - Lavoisier Scholarship
  • 1999 - Erasmus Fellowship



  • Manuscript reviewer for Geophysical Journal International and Geophysics




Selected Publications

  • Larmat, C., C.S. Clay (2011) Time reversal methods, invited article in the Encyclopedia of Solid Earth Geophysics (ESEG), Springer. (Link)
  • Kremers, S., A. Fichtner, G.B. Brietzke, H. Igel, C. Larmat, L. Huang, M. Käser (2011) Exploring the potentials and limitations of the time-reversal imaging of finite seismic sources, Solid Earth, 2, 95-105, doi:10.5194/sed-2-95-2011. (PDF File - 3.4 MB) - (Link)
  • Larmat, C., R.A. Guyer and P.A. Johnson (2011) Time reversal in Seismology, Parity, 63, p 19-27.
  • Larmat, C., P.A. Johnson, R.A. Guyer (2010) Using time-reversal to locate non-volcanic tremor and to fulfill the monitoring objectives of the nuclear-test ban treaty, POMA 10(1), p. 045006-045006-14, doi:10.1121/1.3533135. (PDF File - 3.4MB)
  • Larmat, C., R.A. Guyer, P.A. Johnson (2010) Time-reversal methods in geophysics, featured article in Physics Today, 63, p. 31-35. (PDF File - 615 KB)
  • Larmat, C., R.A. Guyer, P.A. Johnson (2009) Tremor source location using time-reversal: selecting the appropriate imaging field, Geophys. Res. Lett., 36, L22304. (PDF File - 1MB)
  • Larmat, C., J. Tromp, Q. Liu, J.-P. Montagner (2008)Time-Reversal location of glacial earthquakes, J. Geophys. Res., 113(B9), B09314. (PDF File - 1.4MB)
  • Larmat, C., J.-P. Montagner, Y. Capdeville, W.B. Banerdt, P. Lognonné, J-P. Vilotte (2008) Numerical assessment of the effects of topography and crustal thickness on martian seismograms using a couples modal solution - spectral element method, Icarus, 196 (1), p. 78-89. (PDF File - 2.9MB)
  • Anderson, B., M. Griffa, C. Larmat, T.J. Ulrich, P.A. Johnson (2008) Time Reversal, Acoust. Today, 4(1), p. 5-16. (PDF File - 1.2 MB)
  • Larmat, C., J.-P. Montagner, M. Fink, Y. Capdeville, A. Tourin, E. Clévédé (2006) Time-Reversal imaging of seismic sources and application to the great Sumatra earthquake, Geophys. Res. Lett., 33, p. L19132. (PDF File - 1.2 MB)
  • Capdeville, Y., C. Larmat, J.-P. Montagner, J.-P. Vilotte (2002) A new coupled spectral element and modal solution method for global seismology : a first application to the scattering induced by a plume-like anomaly, Geophys. Res. Lett., 29(9), p. 32-1-4. (PDF File - 1.2MB)


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