John Louie

Professor of Geophysics, Nevada Seismological Laboratory
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The goal of my research is to accurately image and characterize subsurface structures and conditions in seismically difficult areas, with high-resolution experiments. I constrain these observations with independent geophysical and geological data. The seismic characterization, imaging, tomography, and Monte-Carlo optimization techniques I develop improve the productivity of resource exploration and development, and of hazards assessments. In particular, I try to describe the characteristics of earthquake faults and of sites in order to mitigate seismic hazards to life and property; and seismically image geothermal resources.


  • California Institute of Technology, Pasadena, California.
    Degrees: Ph.D. Geophysics, June 1987; M.S. Geophysics, June 1983.
  • Occidental College, Los Angeles, California.
    Degree: B.A. Geophysics, March 1982.