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Vinci, L.
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Vinci, L.
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- PublicationRestrictedValutazione di parametri connessi con lo studio della pericolosità sismica(1992)
; ; ; ; ; ;Favali, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Scalera, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Smriglio, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Frugoni, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Vinci, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; ; ; ; The Italian seismic catalogues contain information about earhquakes occurred in Italy; nevertheless only for a few of them it was possible to draw isoseismal maps. The aim of this work is to define for the events lacking of these the mean propagation patten of macroseismic effects by means of model derived from the available maps. The Italian territory was divided in 11 zones with similar seismotectonic characteristics. For each of these zones a mean azimuthal propagation model was computed by means of digitized macroseismic maps with epicentral intensity (Io) greater than or equal to VI degree of MERCALLI-CANCANI-SIEBERG scale (M.C.S.) for homologous isoseisms. These models were applied to those events for which it was not possible to draw maps. Italy was subsequently subdivided in elementary cells (0.1 x 0.1 degree) for each of which some parameters were evaluated, using the available isoseisms or the models, such as the number of macroseismic fewlt effects for each intensity degree, the maximum felt intensity and a synthetic index (C) summarizing all the previous effects. Each parameter was included in a map covering the whole territory to obtain more complete information for seismic hazards problems. Finlly the approach was applied to three important cities such as Milan, Bologna and Florence.266 74 - PublicationOpen AccessSeismic hazard in Irpinia and considerations about the seismogenic area(1993)
; ; ; ; ; ;Scalera, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Favali, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Smriglio, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Frugoni, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Vinci, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; ; ; ; 155 610 - PublicationRestrictedConfronto tra la distribuzione delle direzioni di massima propagazione delle isosisme e i domini dei lineamenti in Italia Settentrionale(1992)
; ; ; ; ;Frugoni, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Favali, P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Scalera, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Vinci, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; ; ; The progressive deformation of the important deep regional structures produces superficial stresses with consequent azimuthally distributed lineament swarms. In the Eastern Alps and Northern Apennine Front the maximum elongations of digitized isoseisms have been compared with the prevalent lineament domains with the aim to evaluate their structural meaning. In some cases we can note a substantial parallelism between the main trends of the maximum macroseismic elongations and the main trends of the lineament swarms, in these cases there is also a parallelism with the direction of the main geological regional structures. Such results suggest that the regional stresses affect both the isoseismal elongation trends and the lineament swarms262 51