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GMPEs used in seismic hazard assessment for Bulgaria-selection and testing in BulgariaNormal access

Authors: D.E. Solakov, S. Simeonova, P. Raykova, E. Oynakov and I. Aleksandrova
Event name: 10th Congress of the Balkan Geophysical Society
Session: 2.5 Seismic Hazard and Risk
Publication date: 18 September 2019
DOI: 10.3997/2214-4609.201902658
Organisations: BGS, EAGE
Language: English
Info: Extended abstract, PDF ( 864.35Kb )
Price: € 20

Summary:
Ground Motion Prediction Equations-GMPEs define the values of a ground motion parameter as a function of earthquake size and the distance in terms of both expected values and their dispersion. GMPEs are essential in probabilistic seismic hazard studies, which are a key step for the evaluation of seismic risk and loss estimation for a region. In the present study, six attenuation relationships were selected for shallow and three for intermediate depth earthquakes on the base of general criteria. The Nakamura method was applied to classify the soil conditions of Bulgarian stations. The LLH and LH approaches were used for quantifying the goodness of fit of these relations to a large dataset of ground motion data from Balkan region.


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