(Article of periodic en Anglais - 2012)

Document title

Main geologic factors controlling site response during the 2009 L’Aquila earthquake

Authors(s) and Affiliation(s)



The analysis of the damage following the 2009 L’Aquila earthquake clearly indicates a strict control of the local geological conditions over the distribution of the effects. This paper illustrates some of the most significant cases of local effects that have been observed and analysed during the seismic microzoning project promoted by the Italian Civil Protection Department. These local effects span over a wide range of typologies, such as classical 1D stratigraphic amplifications within wide extensional basins filled by Quaternary continental deposits, 2D amplifications within basins with horst-and-graben geometry of the bedrock, jointed rock-mass amplification and topographic amplification. Slope and ground failure cases are also reported, prevailingly falls/topples with rolling and bouncing blocks and cave collapses, as well as co-seismic surface faulting cases. This latter aspect is discussed in the light of the lack of specific recommendations about surface fault-rupture hazard in the Italian regulations for building design in seismic areas. - (NF)


Article of periodic

published at : Italian Journal of Geosciences / ISSN 2038-1719

Editor : Società Geologica Italiana, Roma - ITALIE (2009)

Millesime : 2012, vol. 131, no3 [pp. 348-358]

Bibliographic references : 1 p.

Collation : 5 fig., 3 tabl.




Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.3301/IJG.2012.12

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