Models of lithospheric structures with faults subject to periodic impacts, and the possibility of using GIS for monitoring the seismic situation

Authors

UDC

528.91:539.3

DOI:

https://doi.org/10.31429/vestnik-20-4-25-36

Abstract

Theoretical studies of the increase in seismicity within the framework of the mechanical-mathematical approach allow us to obtain a general understanding of the real geophysical processes that manifest themselves during the development of such catastrophic phenomena as earthquakes. However, by studying the parameters of model oscillatory systems, a significant amount of useful information can be obtained, which will then help to correctly interpret the results of field observations. In this paper, we present an approach to solving the integral equation of the problem for a deformable stamp of finite width on an elastic foundation, modeling the lithospheric structure. This approach made it possible to identify the presence of resonant regimes and stress concentrations capable of initiating rearrangements of rocks(in geological structures). Subsequent analysis of the modeling results in comparison with data from field observations and geophysical studies will allow us to assess the possibilities of using the obtained results to solve problems of the seismic situation assessment, in particular, the vulnerable zones identification. For this purpose, we examined the possibilities of using the digital relief model of the Krasnodar Territory developed at KubSU to solve problems of the seismic situation monitoring. Subsequent analysis of the geological structures in the region will allow us to assess the possibilities of using the results obtained to solve geophysical problems, mapping potential sources of stress concentration for the purpose of the targeted placement of means for the seismic situation monitoring, setting up experimental work, etc. Comprehensive theoretical studies for the mechanisms of development of seismic phenomena in conjunction with representation technologies and processing of geospatial data will allow for the construction of physical and geological models as well as the organization of a regional monitoring network.

Keywords:

deformable stamp, integral equation, fictitious absorption method, seismic monitoring, GIS, digital elevation model

Acknowledgement

Some fragments of the work were carried out with the financial support of the Kuban Scientific Research Institute fund within the framework of scientific project No.~MFI-20.1/6.

Author Infos

Elena M. Gorshkova

канд. физ.-мат. наук, старший научный сотрудник Научно-исследовательской части Кубанского государственного университета

e-mail: gem@kubsu.ru

Ilya S. Telyatnikov

канд. физ.-мат. наук, старший научный сотрудник лаборатории математики и механики Южного научного центра РАН

e-mail: ilux_t@list.ru

Alla V. Pavlova

д-р физ.-мат. наук, профессор кафедры математического моделирования Кубанского государственного университета

e-mail: pavlova@math.kubsu.ru

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Issue

2023. Vol. 20. No. 4

Section

Mechanics

Pages

25-36

Submitted

2024-01-09

Published

2023-12-31

How to Cite

Gorshkova E.M., Telyatnikov I.S., Pavlova A.V. Models of lithospheric structures with faults subject to periodic impacts, and the possibility of using GIS for monitoring the seismic situation. Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, 2023, vol. 20, no. 4, pp. 25-36. DOI: https://doi.org/10.31429/vestnik-20-4-25-36 (In Russian)

Copyright (c) 2024 Gorshkova E.M., Telyatnikov I.S., Pavlova A.V.

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