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    The 2009 L'Aquila earthquake (central Italy): a source mechanism and implications for seismic hazard

    Walters, R.J. and Elliott, J.R. and d’Agostino, N. and England, P.C. and Hunstad, I.J. and Jackson, A. and Parsons, B. and Phillips, R.J. and Roberts, Gerald P. (2009) The 2009 L'Aquila earthquake (central Italy): a source mechanism and implications for seismic hazard. Geophysical Research Letters 36 , ISSN 0094-8276.

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    Abstract

    We use InSAR and body-wave seismology to determine independent source parameters for the 6th April 2009 Mw 6.3 L'Aquila earthquake and confirm that the earthquake ruptured a SW-dipping normal fault with ∼0.6–0.8 m slip. The causative Paganica fault had been neglected relative to other nearby range-frontal faults, partly because it has a subdued geomorphological expression in comparison with these faults. The L'Aquila earthquake occurred in an area with a marked seismic deficit relative to geodetically determined strain accumulation. We use our source model to calculate stress changes on nearby faults produced by the L'Aquila earthquake and we find that several of these faults have been brought closer to failure.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Science > Earth and Planetary Sciences
    Depositing User: Administrator
    Date Deposited: 09 Feb 2011 09:04
    Last Modified: 17 Apr 2013 12:18
    URI: http://eprints.bbk.ac.uk/id/eprint/1814

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