Abstract
In this paper, the authors consider the issue of processing the data of electromagnetic pulses (EMPs) recorded in mine workings and their interpretation. The Sami fault (Russia, the Murmansk region) was chosen as the object of the research. A number of experiments, including measuring the EMP level along the fault and the analysis of the results, were performed by the authors. The paper also presents a previously unconsidered method of transition from geological concepts to electro-technical ones, the aim of which is to identify the dependences of the amplitude of electromagnetic field anomalies on the parameters of active tectonic disturbances. The authors assumed the dependence of the amplitude of anomalies on the geological parameters of the rock mass and the thickness of the tectonic disturbance.
Highlights
In the middle of last century, A.A
Based on the study performed, it can be concluded that tectonic disturbances of different degrees can be pronounced differently in the structure of the pulsed electromagnetic field
Tectonic disturbances up to a meter wide are clearly pronounced in the form of anomalies of different signs in the diagrams of the average amplitude values, while thick disturbances are weakly pronounced in the diagrams for the average values, but their mapping is possible using the diagrams for the minimum values
Summary
In the middle of last century, A.A. Vorobiev introduced the concept of the Earth’s natural pulsed electromagnetic field (ENPEMF) [1]. Concepts related to the Earth’s electromagnetic field had already been mentioned in previous works of A.P. Kraev [2]. In the 1970s, the main geoelectric processes occurring in the interior of the Earth were described by A.P. Kraev [2]. The studies that were carried out during this period contributed to revealing the relationship between the change in the ENPEMF parameters and earthquakes [3,4,5]. The hypothesis of parameters correlation of the Earth’s electromagnetic field and earthquakes was developed by various scientific schools’ representatives
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