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  <identifier identifierType="DOI">10.13127/HSIT/Q.4</identifier>
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    <creator>
      <creatorName nameType="Personal">Sbarra, Paola</creatorName>
      <givenName>Paola</givenName>
      <familyName>Sbarra</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="https://orcid.org">https://orcid.org/0000-0003-1055-8705</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">Tosi, Patrizia</creatorName>
      <givenName>Patrizia</givenName>
      <familyName>Tosi</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">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">Sorrentino, Diego</creatorName>
      <givenName>Diego</givenName>
      <familyName>Sorrentino</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">Hai Sentito Il Terremoto (HSIT) - Macroseismic questionnaire database 2007-2024, version 4</title>
    <title titleType="AlternativeTitle">HSIT-Q</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 data</resourceType>
  <subjects>
    <subject>earthquake</subject>
    <subject>effects</subject>
    <subject>crowdsourcing</subject>
    <subject>citizen science</subject>
    <subject>macroseismic</subject>
    <subject>intensity</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">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="ProjectMember">
      <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">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>
    <contributor contributorType="RightsHolder">
      <contributorName nameType="Organizational">Istituto Nazionale di Geofisica e Vulcanologia (INGV)</contributorName>
      <nameIdentifier nameIdentifierScheme="ROR" schemeURI="">https://ror.org/00qps9a02</nameIdentifier>
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  </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>
  <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="Dataset">10.13127/hsit/q.3</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="HasMetadata">https://data.ingv.it/metadata/iso19115/10.13127/hsit/q.4.xml</relatedIdentifier>
  </relatedIdentifiers>
  <sizes>
    <size>1566226 macroseismic reports</size>
  </sizes>
  <formats>
    <format>text/csv</format>
    <format>application/pdf</format>
  </formats>
  <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">Database of questionnaires relating to the macroseismic effects of earthquakes observed in Italy, collected for earthquakes occurring between June 15, 2007, and December 31, 2024, by the “Hai Sentito Il Terremoto” (HSIT, https://doi.org/10.13127/HSIT) system in Italy. The data were provided voluntarily by individuals and have not been reviewed by scientists, so there may be errors due, for example, to the user selecting the wrong earthquake when completing the questionnaire, particularly for events immediately following or immediately preceding a strong earthquake.
Differences from version 3 (MacroseismicQuestionnaires_2007-2021_HSIT_Q.3.csv) - version 4 of the database differs from the previous version in that it includes data relating to locality, where the observer has entered a valid address, and in that it includes some new questionnaires completed after the release of version 3.</description>
    <description xml:lang="it" descriptionType="Abstract">Database di questionari relativi agli effetti macrosismici dei terremoti osservati in Italia, raccolti per i terremoti verificatisi tra il 15 giugno 2007 e il 31 dicembre 2024 dal sistema “Hai Sentito Il Terremoto” (HSIT, https://doi.org/10.13127/HSIT) in Italia. I dati sono stati forniti volontariamente dai cittadini e non sono stati verificati da scienziati, pertanto potrebbero contenere errori dovuti, ad esempio, alla selezione di un terremoto errato da parte dell'utente durante la compilazione del questionario, in particolare per eventi immediatamente successivi o immediatamente precedenti a un forte terremoto.
Differenze rispetto alla versione 3 (MacroseismicQuestionnaires_2007-2021_HSIT_Q.3.csv) - La versione 4 del database differisce dalla versione precedente in quanto include dati relativi alla località, quando l'osservatore ha inserito un indirizzo valido, e in quanto include alcuni nuovi questionari compilati dopo il rilascio della versione 3.</description>
    <description xml:lang="en" descriptionType="Methods">The macroseismic observations were collected through the online questionnaire 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.</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>
    </fundingReference>
  </fundingReferences>
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