RESEARCH ARTICLE


Methodology of Detailed Assessment of the Seismic Hazard of The Republic of North Ossetia-Alania



Vladislav Zaalishvili*, Yu. K. Chernov
Geophysical institute VSC RAS, Russia, 362002, RNO-Alania, Vladikavkaz, Markov Str., 93a, Russia


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Creative Commons License
© 2018 Zaalishvili and Chernov.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address Correspondence to this author at Geophysical institute VSC RAS, Russia, 362002, RNO-Alania, Vladikavkaz, Markov Str., 93a, Russia, Tel: +22997114820; Fax: +22997114820; E-mail: cgi_ras@mail.ru


Abstract

Background:

Seismic hazard assessments produced in a probabilistic form have become the most common in the world in recent decades. Thus, specifically designed for the purpose of detailed engineering and seismic works, methodology for the probabilistic assessment of the potential seismic effects of earthquakes is proposed.

Objective:

The focus of this paper is probabilistic hazard assessments for the territory of the Republic of North Ossetia-Alania.

Methods:

The technique involves a set of models to calculate the potential seismic impacts both from certain earthquakes with different magnitude and distance and from the total number of all potentially hazardous earthquakes with different magnitude and distance, taking into account their recurrence.

Conclusion:

Specifically designed for the purpose of detailed engineering and seismic works, methodology for the probabilistic assessment of the potential seismic effects of earthquakes is proposed.

Results:

The results of calculations are presented in the form of the probability distribution functions optimally suitable for subsequent seismic risk assessments, as well as various soil reactions such as seismogenic liquefaction, seismogenic landslides, subsidence, etc.

Keywords: Seismic zoning, Seismic impacts, Probabilistic seismic hazard analysis, Parameters of seismic ground motion, Macroseismic intensity.