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The seismic refraction is a geophysical principle governed by Snell's Law. Used in fields of engineering geology geotechnical engineering and exploration geophysics, seismic refraction traverses are performed using a seismograph or geophone in an array and an energy source
Seismic refraction is a geophysical principle (see refraction) governed by Snell's Law. ... The seismic refraction method utilizes the refraction of seismic waves on geologic layers and rock/soil units in order to characterize the subsurface geologic conditions and geologic structure.