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Complex of general seismic zoning maps OSR-2017 of Uzbekistan

Geodesy and Geodynamics 2020年第4期11卷 273-292页

作者： Turdali Usmanalievich Artikov Roman Solomonovich Ibragimov Tatyana Lyudvigovna Ibragimova myurodjon abdyurahimdjanovich mirzaev Institute of Seismology Academy of Science of the Republic of UzbekistanTashkentUzbekistan

The quantitative assessment of seismic hazard of Uzbekistan has been examined,and new maps of seismic zoning has been *** seismological areas and seism-generating zones are considered as seismic sources,based on the analysis of seismotectonic *** seismological parametrization of seismic sources has been carried out,including determination of parameters of earthquake’s reoccurrence for different power levels,seismic potential and a predominant type motion in the source of occurring *** reoccurrence parameters of seismic sources were both determined by directly from Gutenberg-Richter dependence law and using summation and distribution *** were conducted separately for a sample of strong(M≥5)and weak(M<5)*** seismic potential Mmax of seismic active zones was determined by seismological and seismotectonic *** predominant type of movement in the faulting for each seismic source is reverse *** regularities of seismic intensity attenuation with distance of different power levels are *** seismic hazard is expressed in points of a macro seismic scale,in velocities and accelerations of ground motions,and it is characterized by calculated seismic intensity with the set probability(P=0.9,P=0.95,P=0.98 and P=0.99)not exceed within 50 years in the constructed *** seismic zoning map,the seismic intensity was in average soil *** developed complex of maps considers a number of uncertainties of the input parameters in relation to both incompleteness of initial seismological and seismotectonic data,as well the probabilistic nature of seismic process and seismic *** factors of uncertainty of the input parameters are taken into account by constructing a logic *** constructed maps of the general seismic zoning are intended for imple menting antiseismic actions in Uzbekistan.

关键词： Seismic hazard Seismic zoning Seismic sources Seismic activity Seismic potential Seismic load intensity attenuation laws

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