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Authors: Paolucci, R.* 
Pacor, F.* 
Puglia, R.* 
Ameri, G.* 
Cauzzi, C.* 
Massa, M.* 
Editors: Akkar, S. 
Title: Record Processing in ITACA, the New Italian Strong-Motion Database
Issue Date: 2010
ISBN: 978-94-007-0151-9
Keywords: strong motion data
Itaca database
Subject Classification05. General::05.02. Data dissemination::05.02.02. Seismological data 
Abstract: The development of the new Italian strong-motion database ITACA (ITalian AC-celerometric Archive, is in progress under the sponsorship of the National Department of Civil Protection (DPC) within Project S4, in the framework of DPC-INGV 2007–2009 research agreement. This work started from the alpha version of ITACA [8], where 2,182 3-component records from 1,004 earthquakes, mainly recorded by the National Accelerometric Network, RAN, operated by DPC, were processed and included in the database. Earthquake metadata, recording station information and reports on the available geologicalgeophysical information of 452 recording sites, corresponding to about 70% of the total, were also included. Subsequently, ITACA has been updated and will reach its final stage by the end of Project S4, around mid-2010, with additional features, improved information about recording stations, and updated records, including the Mw6.3 L’Aquila earthquake. All records were re-processed with respect to the alpha version [9], with a special care to preserve information about late-triggered events and to ensure compatibility of corrected records, i.e., velocity and displacement traces obtained by the first and second integral of the corrected acceleration should not be affected by unrealistic trends. After a short introduction of ITACA and its most relevant features and statistics, this paper mainly deals with the newly adopted processing scheme, with reference to the problems encountered and the solutions that have been devised.
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