A view to the intermediate-depth Vrancea earthquake of May 30, 1990 - Case study in NE Bulgaria

Author: Kouteva M   Panza G F   Paskaleva I   Romanelli F  

Publisher: American Association for Laboratory Animal Science

ISSN: 1217-8977

Source: Acta Geodaetica et Geophysica Hungarica, Vol.39, Iss.2-3, 2004-05, pp. : 223-231

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Abstract

A deterministic analytical procedure for ground motion modelling, combining both modal summation and mode coupling techniques has been implemented to obtain synthetic seismic signals at Russe, NE Bulgaria, due to one of the strongest Vrancea intermediate-depth earthquakes, which occurred during the last century, May 30, 1990. The frequency content of the synthetic signals in different frequency ranges, up to 1 and 2 Hz, has been studied separately. The results of this study, i.e. time histories and related ground motions parameters, can be used for different earthquake engineering analyses, e.g. structural performance assessments.

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