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Authors: Rovelli, A.*
Malagnini, L.*
Caserta, A.*
Marra, F.*
Title: Using 1 -D and 2-D modelling of ground motion for seismic zonation criteria: results for the city of Rome
Issue Date: Nov-1995
Series/Report no.: 38/5_6
Keywords: Rome
Strong ground motions
1-D modelling
2-D modelling
seismic microzoning
Abstract: The geological information collected in the last years by the Istituto Nazionale di Geofisica for the city of Rome is used to construct 1- and 2-D models of the nearsurface structure. These models are the basis for the numerical generation of synthetic accelerograms which can simulate the horizontal ground motion (SH waves) produced in the different areas of the city by a large (M ≈ 7) potential earthquake 100 km away in Central Apennines. The proposed methodology yields earthquake engineering parameters (peak ground acceleration and velocity, Arias intensity, energy flux, response spectra) whose spatial variations are consistent with the damage distribution caused by the strongest earthquakes felt in Rome during its long history. Based on the macroseismic inforination and the results of the numerical simulations, general criteria for seismic zonation of the city of Rome are proposed.
Appears in Collections:Manuscripts
04.06.07. Tomography and anisotropy
Annals of Geophysics
Papers Published / Papers in press

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