Patterns in microseismic activity as an indicator of dynamic manifestations of rock pressure

P.A. Demenkov, E.D. Silicheva
Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation Russian Mining Industry №4S/ 2026 p. 134-141

Abstract: The paper examines specific features of microseismic activity during dynamic manifestations of rock pressure in conditions of the mines in the Khibiny Mountain Range. The analysis is based on microseismic monitoring data, including position seismic center coordinates, event energy, spectral characteristics of the signals, and temporal parameters of the microseismic activity. It has been established that development of dynamic manifestations is preceded by an increase in the density of microseismic events, a rise in the share of high-energy signals, and the spatial localisation of the failure zones in the boundary part of the rock mass. It is shown that a joint analysis of the energy and spatio-temporal characteristics of microseismic activity makes assessment of the developing hazardous geomechanical states more reliable when compared to the use of energy criteria only. The use of classification methods made it possible to improve the reliability of identifying dynamically active zones based on a set of spatio-temporal parameters of microseismic activity. The most reliable results were obtained using the Random Forest algorithm. A practical significance of this work lies in the possibility to promptly identify the areas of local stress redistribution and improve the credibility of geomechanical monitoring during mining operations at ore deposits.

Keywords: microseismic monitoring, geomechanics, rock mass, dynamic manifestations of rock pressure, machine learning, shock hazard

For citation: Demenkov P.A., Silicheva E.D. Patterns in microseismic activity as an indicator of dynamic manifestations of rock pressure. Russian Mining Industry. 2026;(4S):134–141. (In Russ.) https://doi.org/10.30686/1609-9192-2026-4S-134-141

Article info

Received: 02.06.2026

Revised: 29.07.2026

Accepted: 17.08.2026

Information about the authors

Petr A. Demenkov – Dr. Sci. (Eng.), Dean of the Faculty of Civil Engineering, Professor of the Department of Mining Enterprise and Underground Structures, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation; https://orcid.org/0000-0003-1599-8080

Ekaterina D. Silicheva – Postgraduate Student, Department of Mining Enterprise and Underground Structures Construction, Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russian Federation; https://orcid.org/0009-0001-2068-1769; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

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