SEISMICITY PATTERNS FOR A DETAILED PROBABILISTIC SEISMIC ZONING OF THE NORTH OSSETIA-ALANIA TERRITORY

Abstract

A number of models of regional and local seismicity of the region have been developed within the framework of research on the creation of a new album of probabilistic maps of detailed seismic zoning of the RNO-Alania territory. Models in probabilistic form describe the place (zone) of occurrence of potentially dangerous earthquakes for the study area, the maximum possible magnitude of these earthquakes, the size, mechanisms and orientation of the foci, the frequency of earthquakes of different magnitudes in time, the distribution of earthquake foci in depth. Research conducted using large volume seismostatistics, macroseismic, seismotectonic, instrumental and other data. The models make it possible to increase the accuracy and detail of predictive estimates at the regional and local levels, as they take into account more fully the features of the spatial and temporal distribution of potentially dangerous earthquake foci, and also provide the final information in the form necessary for its further inclusion in the probabilistic seismic hazard analysis - PSHA.