1 Ocak 2012 Dergi makalesi Açık Erişim

Yolsal-Cevikbilen, Seda; Biryol, C. Berk; Beck, Susan; Zandt, George; Taymaz, Tuncay; Adiyaman, Hande E.; Ozacar, A. Arda

Dublin Core

<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Yolsal-Cevikbilen, Seda</dc:creator>
  <dc:creator>Biryol, C. Berk</dc:creator>
  <dc:creator>Beck, Susan</dc:creator>
  <dc:creator>Zandt, George</dc:creator>
  <dc:creator>Taymaz, Tuncay</dc:creator>
  <dc:creator>Adiyaman, Hande E.</dc:creator>
  <dc:creator>Ozacar, A. Arda</dc:creator>
  <dc:date>2012-01-01</dc:date>
  <dc:description>3-D P-wave velocity structure and Vp/Vs variations in the crust along the North Anatolian Fault Zone (NAFZ) in north-central Anatolia were investigated by the inversion of local P- and S-wave traveltimes, to gain a better understanding of the seismological characteristics of the region. The 3-D local earthquake tomography inversions included 5444 P- and 3200 S-wave readings obtained from 168 well-located earthquakes between 2006 January and 2008 May. Dense ray coverage yields good resolution, particularly in the central part of the study area. The 3-D Vp and Vp/Vs tomographic images reveal clear correlations with both the surface geology and significant tectonic units in the region. We observed the lower limit of the seismogenic zone for north-central Anatolia at 15 km depth. Final earthquake locations display a distributed pattern throughout the study area, with most of the earthquakes occurring on the major splays of the NAFZ, rather than its master strand. We identify three major high-velocity blocks in the mid-crust separated by the Izmir-Ankara-Erzincan Suture and interpret these blocks to be continental basement fragments that were accreted onto the margin following the closure of Neo-Tethyan Ocean. These basement blocks may have in part influenced the rupture propagations of the historical 1939, 1942 and 1943 earthquakes. In addition, large variations in the Vp/Vs ratio in the mid-crust were observed and have been correlated with the varying fluid contents of the existing lithologies and related tectonic structures.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/88007</dc:identifier>
  <dc:identifier>oai:zenodo.org:88007</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>GEOPHYSICAL JOURNAL INTERNATIONAL 188(3) 819-849</dc:source>
  <dc:title>3-D crustal structure along the North Anatolian Fault Zone in north-central Anatolia revealed by local earthquake tomography</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
</oai_dc:dc>