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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9753

Authors: Di Giulio, G.*
Amoroso, S.*
Di Naccio, D.*
Falcucci, E.*
Gori, S.*
Hailemikael, S.*
Vassallo, M.*
Ciampaglia, A.*
De Luca, G.*
Del Grosso, A.*
Di Marcantonio, P.*
D'Onofrio, K.*
Porreca, M.*
Trotta, D.*
Villani, F.*
Milana, G.*
Title: The Seismic Microzonation of San Gregorio Through a Multidisciplinary Approach. Seismic Amplification in a Stiff Site
Editors: Lollino, G; Springer International Publishing Switzerland
Manconi, A; Springer International Publishing Switzerland
Guzzetti, F; Springer International Publishing Switzerland
Culshaw, M; Springer International Publishing Switzerland
Bobrowsky, P; Springer International Publishing Switzerland
Luino, F; Springer International Publishing Switzerland
Issue Date: 2014
Keywords: Urban Geology, Sustainable Planning, Landscape Exploitation
Abstract: The village of San Gregorio (L'Aquila, Italy) was severely damaged by the April 6, 2009 earthquake. San Gregorio is situated at the base of a carbon- ate relief bounded by the Aterno river alluvial plain. The geological features of the area are very complex: jointed carbonate bedrock, cemented gravels and alluvial fan crop out in the village. Co-seismic ground fractures were seen along SW dip- ping active fault segments crossing San Gregorio. We integrated the microzona- tion studies with new geological, geotechnical and geophysical data for supporting the reconstruction planning of the village. Noise measurements show strong and polarized peaks in the horizontal-to-vertical spectral ratios (H/V) in the 3-7 Hz frequency band. Interestingly, the alluvial fan and the outcropping rock masses show both H/V peaks. To understand the influence of rock mass joint condition on site effect, we performed structural surveys on carbonate bedrock to look for a possible correlation between rock fracturing and ground-motion amplification
Appears in Collections:Conference materials
04.06.99. General or miscellaneous

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