Seismic hazard of the Northern Apennines based on 3D seismic sources |
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| Authors: | L Martelli M Santulin F Sani A Tamaro M Bonini A Rebez G Corti D Slejko |
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| Institution: | 1.Servizio Geologico, Sismico e dei Suoli, Regione Emilia-Romagna,Bologna,Italy;2.Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Milano,Trieste,Italy;3.Dipartimento di Scienze della Terra,Università degli Studi di Firenze,Florence,Italy;4.Istituto Nazionale di Oceanografia e di Geofisica Sperimentale,Trieste,Italy;5.Istituto di Geoscienze e Georisorse, Consiglio Nazionale delle Ricerche,Florence,Italy |
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| Abstract: | Seismic hazard has been computed for the Northern Apennines in northern Italy based on a new seismogenic zonation. This zonation considers inclined (dipping) planes as seismogenic sources, defined on the basis of all the seismotectonic information available so far. Although these geometries are extremely rough because they simplify with a few inclined elements the totality of faults constituting a source, this model mimics the tectonic style better than that based on horizontal planes. Nevertheless, for a comparison between the new ground motions obtained and those available in the literature, the plane version of the zonation has been developed, where horizontal areas (the standard seismogenic zones), representing the surficial projection of the inclined planes, are used as seismogenic sources. |
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