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  <identifier identifierType="DOI">10.13127/HSIT/I.4</identifier>
  <creators>
    <creator>
      <creatorName nameType="Personal">Tosi, Patrizia</creatorName>
      <givenName>Patrizia</givenName>
      <familyName>Tosi</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-3247-4318</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">De Rubeis, Valerio</creatorName>
      <givenName>Valerio</givenName>
      <familyName>De Rubeis</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">Sbarra, Paola</creatorName>
      <givenName>Paola</givenName>
      <familyName>Sbarra</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">Sorrentino, Diego</creatorName>
      <givenName>Diego</givenName>
      <familyName>Sorrentino</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0001-5574-6342</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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  <titles>
    <title xml:lang="en">Hai Sentito Il Terremoto (HSIT) - Macroseismic intensity database 2007-2024, version 4</title>
    <title titleType="AlternativeTitle">HSIT-I</title>
  </titles>
  <publisher publisherIdentifier="https://ror.org/00qps9a02" publisherIdentifierScheme="ROR" schemeURI="https://ror.org/">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</publisher>
  <publicationYear>2026</publicationYear>
  <resourceType resourceTypeGeneral="Dataset">crowdsourced macroseismic intensity data</resourceType>
  <subjects>
    <subject>Mercalli-Cancani-Sieberg scale</subject>
    <subject>European Macroseismic Scale</subject>
    <subject>macroseismology</subject>
    <subject>earthquake</subject>
    <subject>crowdsourcing</subject>
    <subject>intensity</subject>
    <subject>citizen science</subject>
  </subjects>
  <contributors>
    <contributor contributorType="DataManager">
      <contributorName nameType="Personal">Sorrentino, Diego</contributorName>
      <givenName>Diego</givenName>
      <familyName>Sorrentino</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0001-5574-6342</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="ProjectLeader">
      <contributorName nameType="Personal">Tosi, Patrizia</contributorName>
      <givenName>Patrizia</givenName>
      <familyName>Tosi</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-3247-4318</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="ProjectMember">
      <contributorName nameType="Personal">Sbarra, Paola</contributorName>
      <givenName>Paola</givenName>
      <familyName>Sbarra</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-1055-8705</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
    <contributor contributorType="Researcher">
      <contributorName nameType="Personal">De Rubeis, Valerio</contributorName>
      <givenName>Valerio</givenName>
      <familyName>De Rubeis</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0001-7119-631X</nameIdentifier>
      <affiliation>Istituto Nazionale di Geofisica e Vulcanologia (INGV)</affiliation>
    </contributor>
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      <contributorName nameType="Organizational">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</contributorName>
      <nameIdentifier nameIdentifierScheme="ROR" schemeURI="">https://ror.org/00qps9a02</nameIdentifier>
    </contributor>
  </contributors>
  <dates>
    <date dateType="Coverage">2007-06-15/2024-12-31</date>
    <date dateType="Collected">2007-06-15/2026-02-23</date>
    <date dateType="Created">2026-03-09</date>
    <date dateType="Issued">2026-03-09</date>
  </dates>
  <language>en</language>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsPartOf" resourceTypeGeneral="Collection">10.13127/hsit</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsDescribedBy" resourceTypeGeneral="JournalArticle">10.1785/0220140229</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsNewVersionOf" resourceTypeGeneral="Collection">10.13127/hsit/i.3</relatedIdentifier>
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  <sizes>
    <size>442274 municipality macroseismic data points</size>
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  <formats>
    <format>text/csv</format>
    <format>application/pdf</format>
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  <version>4</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">This database contains macroseismic intensities for Italian municipalities, obtained from questionnaires collected by the “Hai Sentito Il Terremoto” (HSIT) system (https://doi.org/10.13127/HSIT) for earthquakes that occurred between June 15, 2007, and December 31, 2024.
Differences from Version 3 (MacroseismicIntensities_2007-2021_HSIT_I.3.csv): some intensities related to previous earthquakes have been slightly modified in this version:
The intensities were estimated based on the new territorial divisions reported in the ISTAT 2021 database. 
Slight changes were made to the processing method. In particular, we considered reports from observers inside stationary vehicles to be valid, treating them as if they were people standing outdoors, in line with the results of Sbarra P., Tosi P., De Rubeis V., and Sorrentino D. (2021), Is an earthquake felt inside a car?, Seismological Society of America, 92(3), 2028-2035, https://doi.org/10.1785/0220200347.</description>
    <description xml:lang="it" descriptionType="Abstract">Questo database contiene i dati relativi alle intensità macrosismiche dei comuni italiani, ricavati dai questionari raccolti dal sistema «Hai Sentito Il Terremoto» (HSIT) (https://doi.org/10.13127/HSIT) per i terremoti verificatisi tra il 15 giugno 2007 e il 31 dicembre 2024.
Differenze rispetto alla versione 3 (MacroseismicIntensities_2007-2021_HSIT_I.3.csv): in questa versione alcune intensità relative a terremoti precedenti sono state leggermente modificate.
Le intensità sono state stimate sulla base delle nuove suddivisioni territoriali riportate nella banca dati ISTAT 2021. 
Sono state apportate lievi modifiche al metodo di elaborazione. In particolare, abbiamo considerato valide le segnalazioni provenienti da osservatori all'interno di veicoli fermi, trattandole come se fossero persone in piedi all'aperto, in linea con i risultati di Sbarra P., Tosi P., De Rubeis V. e Sorrentino D. (2021), Is an earthquake felt inside a car?, Seismological Society of America, 92(3), 2028-2035, https://doi.org/10.1785/0220200347.</description>
    <description xml:lang="en" descriptionType="Methods">The intensities were estimated automatically using the method described in Tosi P., Sbarra P., De Rubeis V., and Ferrari C. (2015), Macroseismic intensity assessment method for web-questionnaires, Seismological Research Letters, 86, 985-990, https://doi.org/10.1785/0220140229, and in Sbarra P., Tosi P., De Rubeis V., and Sorrentino D. (2025), The importance of on-demand reports for the correct assessment of low macroseismic intensities: the experience of “Hai Sentito Il Terremoto” (Did You Feel the Earthquake). Nat Hazards 121, 1489–1504. https://doi.org/10.1007/s11069-024-06869-7.</description>
  </descriptions>
  <geoLocations>
    <geoLocation>
      <geoLocationPlace>Italy</geoLocationPlace>
    </geoLocation>
    <geoLocation>
      <geoLocationPlace>Italy</geoLocationPlace>
      <geoLocationBox>
        <westBoundLongitude>6</westBoundLongitude>
        <eastBoundLongitude>19</eastBoundLongitude>
        <southBoundLatitude>35</southBoundLatitude>
        <northBoundLatitude>48</northBoundLatitude>
      </geoLocationBox>
    </geoLocation>
  </geoLocations>
  <fundingReferences>
    <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>
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