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        <identifier>doi:10.13127/itaca.4.0/itacas2s_flatfile.2.0</identifier>
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  <identifier identifierType="DOI">10.13127/ITACA.4.0/ITACAS2S_FLATFILE.2.0</identifier>
  <creators>
    <creator>
      <creatorName nameType="Personal">Lanzano, Giovanni</creatorName>
      <givenName>Giovanni</givenName>
      <familyName>Lanzano</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0001-7947-4281</nameIdentifier>
      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
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    <creator>
      <creatorName nameType="Personal">Brunelli, Giulio</creatorName>
      <givenName>Giulio</givenName>
      <familyName>Brunelli</familyName>
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      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </creator>
    <creator>
      <creatorName nameType="Personal">Sgobba, Sara</creatorName>
      <givenName>Sara</givenName>
      <familyName>Sgobba</familyName>
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      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </creator>
    <creator>
      <creatorName nameType="Personal">Felicetta, Chiara</creatorName>
      <givenName>Chiara</givenName>
      <familyName>Felicetta</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-2852-9144</nameIdentifier>
      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </creator>
    <creator>
      <creatorName nameType="Personal">Pacor, Francesca</creatorName>
      <givenName>Francesca</givenName>
      <familyName>Pacor</familyName>
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      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </creator>
    <creator>
      <creatorName nameType="Personal">Mascandola, Claudia</creatorName>
      <givenName>Claudia</givenName>
      <familyName>Mascandola</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-1941-4679</nameIdentifier>
    </creator>
    <creator>
      <creatorName nameType="Personal">Russo, Emiliano</creatorName>
      <givenName>Emiliano</givenName>
      <familyName>Russo</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0002-1032-7002</nameIdentifier>
      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </creator>
    <creator>
      <creatorName nameType="Personal">Luzi, Lucia</creatorName>
      <givenName>Lucia</givenName>
      <familyName>Luzi</familyName>
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      <affiliation affiliationIdentifier="https://ror.org/00qps9a02" affiliationIdentifierScheme="ROR" schemeURI="https://ror.org">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
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  <titles>
    <title xml:lang="en">ITACAs2s flatfile 2.0: table of empirical amplification functions of the Italian recording stations</title>
    <title titleType="TranslatedTitle" xml:lang="it">ITACAs2s flatfile 2.0: funzioni di amplificazione empiriche delle stazioni di registrazione in Italia</title>
    <title titleType="AlternativeTitle">ITACAs2s flatfile</title>
  </titles>
  <publisher publisherIdentifier="https://ror.org/00qps9a02" publisherIdentifierScheme="ROR" schemeURI="https://ror.org/">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</publisher>
  <publicationYear>2024</publicationYear>
  <resourceType resourceTypeGeneral="Dataset">Paramaters and metadata of accelerometric waveforms</resourceType>
  <subjects>
    <subject>strong-motion</subject>
    <subject>earthquakes</subject>
    <subject>acceleration</subject>
    <subject>waveforms</subject>
    <subject>Engineering seismology</subject>
    <subject>Earthquake engineering</subject>
    <subject subjectScheme="LCC">QE - Geology</subject>
    <subject subjectScheme="DDC">551 Geology, hydrology, meteorology</subject>
    <subject subjectScheme="DDC">551.2 Volcanoes, earthquakes, thermal waters and gases</subject>
  </subjects>
  <contributors>
    <contributor contributorType="Researcher">
      <contributorName nameType="Personal">Brunelli, Giulio</contributorName>
      <givenName>Giulio</givenName>
      <familyName>Brunelli</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0002-6342-7293</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="Supervisor">
      <contributorName nameType="Personal">Luzi, Lucia</contributorName>
      <givenName>Lucia</givenName>
      <familyName>Luzi</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-4312-580X</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="DataManager">
      <contributorName nameType="Personal">Russo, Emiliano</contributorName>
      <givenName>Emiliano</givenName>
      <familyName>Russo</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0002-1032-7002</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="ContactPerson">
      <contributorName nameType="Personal">Lanzano, Giovanni</contributorName>
      <givenName>Giovanni</givenName>
      <familyName>Lanzano</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0001-7947-4281</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="RelatedPerson">
      <contributorName nameType="Personal">D'Amico, Maria Clara</contributorName>
      <givenName>Maria Clara</givenName>
      <familyName>D'Amico</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0002-1677-1294</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="DataManager">
      <contributorName nameType="Personal">Felicetta, Chiara</contributorName>
      <givenName>Chiara</givenName>
      <familyName>Felicetta</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-2852-9144</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="RelatedPerson">
      <contributorName nameType="Personal">Sgobba, Sara</contributorName>
      <givenName>Sara</givenName>
      <familyName>Sgobba</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0002-5669-8650</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="RelatedPerson">
      <contributorName nameType="Personal">Mascandola, Claudia</contributorName>
      <givenName>Claudia</givenName>
      <familyName>Mascandola</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-1941-4679</nameIdentifier>
    </contributor>
    <contributor contributorType="Supervisor">
      <contributorName nameType="Personal">Pacor, Francesca</contributorName>
      <givenName>Francesca</givenName>
      <familyName>Pacor</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0001-5745-0414</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
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      <contributorName nameType="Organizational">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</contributorName>
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  </contributors>
  <dates>
    <date dateType="Coverage">1972-01-01/2022-12-31</date>
    <date dateType="Issued">2024-06-05</date>
  </dates>
  <language>en</language>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites" resourceTypeGeneral="JournalArticle">10.1785/gssrl.81.5.794</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites" resourceTypeGeneral="JournalArticle">10.18637/jss.v067.i01</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites" resourceTypeGeneral="JournalArticle">10.1785/0120180210</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="Cites" resourceTypeGeneral="JournalArticle">10.1093/gji/ggaa261</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsDerivedFrom" resourceTypeGeneral="Dataset">10.13127/itaca.4.0/itacaext_flatfile.2.0</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsDerivedFrom" resourceTypeGeneral="Collection">10.13127/itaca.4.0</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsNewVersionOf" resourceTypeGeneral="Dataset">10.13127/itaca32/itacas2s_flatfile.1.0</relatedIdentifier>
  </relatedIdentifiers>
  <sizes>
    <size>37098 waveforms</size>
    <size>1922 stations</size>
  </sizes>
  <formats>
    <format>text/csv</format>
    <format>application/pdf</format>
  </formats>
  <version>2.0</version>
  <rightsList>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/" rightsIdentifier="cc-by-4.0" rightsIdentifierScheme="SPDX" schemeURI="https://spdx.org/licenses/">Creative Commons Attribution 4.0 International</rights>
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  <descriptions>
    <description xml:lang="en" descriptionType="Abstract">The ITACAs2s flat-file is a parametric table containing the repeatable site terms δS2S (Al-Atik et al., 2010) and the associated variabilities, evaluated with respect to the ITA18 ground-motion model (Lanzano et al., 2019) for acceleration spectral ordinates (SA, 5% damping). These terms quantify the systematic deviations between observed ground-motion and predictions at a site. They are estimated with respect to generic rock condition of ITA18-SA, i.e., VS,30=800m/s. The dataset used for this analysis is the ITACAext, composed of the data and metadata included in ITACA, integrated with some velocimetric waveforms. The adopted ITA18 model is valid for the median of the horizontal component in the moment-magnitude range Mw [3.5-7.5] and rupture distance interval R [0-200km].  The flat-file includes 916 stations and can be exploited to have an overview of the amplifications and peculiar features of the Italian recording stations. Compared to version 1.0, the dataset of recordings used for the calculation of the amplification function was extended to 31 December 2022. In addition, the amplification functions for the ordinates of the Fourier amplitude spectrum, in the frequency range f=0.1-30Hz, and the empirical amplification factors, according to the Guidelines for Italian Seismic Microzonation (SM-WG, 2008) for PGA, PGV and three period intervals of the ordinates of the acceleration response spectra SA (5% damping): 0.1-0.5s; 0.4-0.8s; 0.7-1.1s, are also computed.</description>
    <description xml:lang="it" descriptionType="Abstract">ITACAs2s è una tabella parametrica che contiene i termini di sito ripetibili δS2S (Al-Atik et al., 2010) e le associate variabilità, valutate rispetto ad un modello di ground-motion di riferimento (ITA18, Lanzano et al., 2019) per le ordinate spettrali in accelerazione (SA, 5% damping). Questi termini quantificano la deviazione sistematica tra il ground-motion osservato e quello predetto al singolo sito. Questi termini sono stimati rispetto alla condizione di sito rigido generico della ITA18-SA, i.e., VS,30=800m/s. Il dataset usato per quest'analisi è ITACAext, che è composto da dati e metadati inclusi in ITACA, integrato con alcune registrazioni velocimetriche. Il modello ITA18 è valido per la mediana delle componenti orizzontali nel range di magnitudo momento Mw [3.5-7.5] e nell'intervallo di distanza di rottura R [0-200km]. Il flat-file include 916 stazioni e può essere utilizzato per avere un panorama del livello di amplificazione e di alcune peculiarità delle stazioni sismiche in Italia. 
Rispetto alla versione 1.0, il dataset di registrazioni utilizzato per il calcolo della funzione di amplificazione è stato esteso al 31 dicembre 2022. Inoltre, sono state calcolate le funzioni di amplificazione per le ordinate dello spettro di ampiezza di Fourier, nell'intervallo di frequenza f=0.1-30Hz, e i fattori di amplificazione empirici, secondo le Linee Guida per la Microzonazione Sismica Italiana (SM-WG, 2008) per PGA, PGV e tre intervalli di periodo delle ordinate degli spettri di risposta in accelerazione SA (smorzamento del 5%): 0.1-0.5s; 0.4-0.8s; 0.7-1.1s.</description>
  </descriptions>
  <geoLocations>
    <geoLocation>
      <geoLocationPlace>Italy and neighbouring countries</geoLocationPlace>
    </geoLocation>
    <geoLocation>
      <geoLocationPlace>Italian region</geoLocationPlace>
      <geoLocationBox>
        <westBoundLongitude>6.0129</westBoundLongitude>
        <eastBoundLongitude>18.9922</eastBoundLongitude>
        <southBoundLatitude>35.66</southBoundLatitude>
        <northBoundLatitude>44.9511</northBoundLatitude>
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    <fundingReference>
      <funderName>Presidenza del Consiglio dei Ministri - Dipartimento della Protezione Civile (DPC)</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">https://doi.org/10.13039/100012783</funderIdentifier>
      <awardTitle>Convenzione INGV-DPC Allegato A</awardTitle>
    </fundingReference>
    <fundingReference>
      <funderName>Ministero dell'Università e della Ricerca (MUR)</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">https://doi.org/10.13039/501100003407</funderIdentifier>
      <awardTitle>PRIN 2020 - MZS: Mapping seismic site effects at regional and national scale</awardTitle>
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