Methods Our firm has extensive experience using a wide array of geophysical methods:

  • Multi-channel Analysis of Surface Waves
  • Multi-electrode Resistivity Imaging
  • Seismic Refraction and Reflection
  • Ground Penetrating Radar (GPR)
  • Down-hole / Cross-hole P and S
  • Electromagnetic Induction (EM)
  • DC Resistivity Depth Sounding
  • Very Low Frequency (VLF)
  • Magnetics
  • Gravity

Projects Geophysics can be applied to a variety of projects including:

  • Tank and Utility Location and Mapping
  • Bedrock Profiling and Rippability Surveys
  • Abandoned Oil / Water Well Locating
  • Rebar / Post-tension Cable Mapping
  • Fault and Landslide Investigations
  • Landfill Delineation and Imaging
  • Blast and Vibration Monitoring
  • Archeological Investigations
  • UXO Location Surveys
  • Mineral Exploration

California State Registered Geophysicists

40-Hour OSHA Certified Staff


Our Mission  SubSurface Surveys & Associates, Inc., established in 1988, specializes in near-surface geophysics and utility locating services and is dedicated to establishing strong client relationships.  SubSurface Surveys' extensive education and experience in implementing state-of-the-art techniques allows for a more comprehensive approach to solving complex problems through cost-effective means.

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