Recent evolution and challenges in the Seismic Hazard Analysis of the Po Plain region, Northern Italy |
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Authors: | E Faccioli |
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Institution: | 1. Politecnico di Milano, Milan, Italy 2. Studio Geotecnico Italiano, Milan, Italy
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Abstract: | SH evaluation in Po Plain region is revisited with a view to: ( $a)$ updating available seismic source and ground motion attenuation models with recent data and testing the sensitivity of the results, ( $b)$ exploiting available non-stationary models to check their predictive performance at particular sites and, ( $c)$ handling the ground motion hazard generated by composite fault systems. Update of area source models and GMPEs does not strongly affect SH evaluated at representative sites, while usefulness of predictions derived from non-stationary models needs to be assessed on a site-by-site basis. A hybrid (deterministic-probabilistic) approach seems to be a promising tool for assessing site-specific hazard contributed by composite sources. |
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