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Microtremor exploration at strong motion stations in Aydin and Denizli provinces, western Turkey

Ozmen, Ozgur Tuna; Yamanaka, Hiroaki; Ates, Erkan; Tekin, Kudret; Ceken, Ulubey; Koparmal, Erkan; Etiz, Ali; Elmas, Nalan


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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/232086</identifier>
  <creators>
    <creator>
      <creatorName>Ozmen, Ozgur Tuna</creatorName>
      <givenName>Ozgur Tuna</givenName>
      <familyName>Ozmen</familyName>
      <affiliation>Turkish AFAD, Prime Minist Disaster &amp; Emergency Management Auth, Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Yamanaka, Hiroaki</creatorName>
      <givenName>Hiroaki</givenName>
      <familyName>Yamanaka</familyName>
      <affiliation>Tokyo Inst Technol, Dept Architecture &amp; Bldg Engn, Tokyo, Japan</affiliation>
    </creator>
    <creator>
      <creatorName>Ates, Erkan</creatorName>
      <givenName>Erkan</givenName>
      <familyName>Ates</familyName>
      <affiliation>Turkish AFAD, Prime Minist Disaster &amp; Emergency Management Auth, Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Tekin, Kudret</creatorName>
      <givenName>Kudret</givenName>
      <familyName>Tekin</familyName>
      <affiliation>Turkish AFAD, Prime Minist Disaster &amp; Emergency Management Auth, Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Ceken, Ulubey</creatorName>
      <givenName>Ulubey</givenName>
      <familyName>Ceken</familyName>
      <affiliation>Turkish AFAD, Prime Minist Disaster &amp; Emergency Management Auth, Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Koparmal, Erkan</creatorName>
      <givenName>Erkan</givenName>
      <familyName>Koparmal</familyName>
      <affiliation>Prime Minist, Econ Social &amp; Cultural Affairs Dept, Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Etiz, Ali</creatorName>
      <givenName>Ali</givenName>
      <familyName>Etiz</familyName>
      <affiliation>Denizli Prov Directorate Disaster &amp; Emergency, Denizli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Elmas, Nalan</creatorName>
      <givenName>Nalan</givenName>
      <familyName>Elmas</familyName>
      <affiliation>Aydin Prov Directorate Disaster &amp; Emergency, Aydin, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Microtremor Exploration At Strong Motion Stations In Aydin And Denizli Provinces, Western Turkey</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2021</publicationYear>
  <dates>
    <date dateType="Issued">2021-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/232086</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1080/08123985.2021.1880269</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">This paper reports the results of a case study of the application of the microtremor exploration method in western Turkey. We have conducted microtremor surveys at strong motion stations in Aydin and Denizli provinces to derive shallow S-wave velocity profiles. Array records of vertical microtremor motion were acquired at 12 and 15 stations in Aydin and Denizli provinces, respectively. A spatial autocorrelation analysis was applied to the records to estimate Rayleigh wave phase velocities in the frequency range of 3-30 Hz. Then, the phase velocity dispersion at each station was inverted to a one-dimensional S-wave profile down to a maximum depth of about 50 m. The soil models at 5 and 11 stations in Aydin and Denizli provinces, respectively, have a bedrock with an S-wave velocity of 400-600 m/s at depths less than 10 m. The spatial distribution of average S-wave velocities in the top 30 m of the revealed profiles shows low values in the Buyuk Menderes Graben and the Denizli Basin, and high values in the surrounding hill or mountain areas. We compared our S-wave profiles with those from previous surface-wave studies. S-wave velocities in shallow parts to a depth of 5-10 m are similar in the two studies. However, S-wave velocities in deep parts are different at some of the stations.</description>
  </descriptions>
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