The instrumental seismicity of the Abruzzo region in central Italy (1981-2003 : seismotectonic implications

Auteur :
BONCIO, P.

Description :
This article analyses the instrumental seismicity of the Abruzzo region in the period 1981-2003 in order to obtain a catalogue as homogeneous as possible in terms of location procedure and quality of the results. Four temporal datasets: 1981-1991; 1992-1996; 1997-1999 and 2000-2003 are analysed. The 1981-1991 dataset is taken from the CSTI catalogue. The datasets from 1992 to 2003 are relocated by integrating the recordings of the national seismic network with the recordings of the local Abruzzo seismic network (operating from 1992 to 1999). Particular attention is paid to the velocity models, in order to account for the different stratigraphic/tectonic domains which characterize the Abruzzo region. The new focal mechanisms computed from the 1992-1999 database confirm and reinforce the existence of a dominating extensional regime across the Abruzzo Apennines.


Type de document :
Article de périodique

Source :
Bollettino della Società geologica italiana, issn : 0037-8763, 2009, vol. 128, n°. 2, p. 367-380, nombre de pages : 14, Références bibliographiques : 51 ref.

Date :
2009

Editeur :
Pays édition : Italie, Roma, Società geologica italiana