Limitations
The electroseismic method is apparently susceptible to electrical noise from nearby higher voltage power lines. Typical electroseismic signals are at the microvolt level. The electroseismic signal is proportional to the pressure of the seismic wave. Thus, it would seem possible to increase the signal by using stronger seismic sources. This is not mentioned in the literature. Electroseismic soundings have a maximum exploration depth of about 500 m in the reported literature.
Read more about this topic: Seismoelectrical Method
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