Geophys. J. Int. (2018) 214, 185–199 doi: 10.1093/gji/ggy114 Advance Access publication 2018 March 21 GJI Geodynamics and tectonics The 2017 July 20 M w 6.6 Bodrum–Kos earthquake illuminates active faulting in the Gulf of Gokova,¨ SW Turkey Ezgi Karasozen,¨ 1 Edwin Nissen,2 Pınar Buy¨ ukakpınar,¨ 3 Musavver Didem Cambaz,4 5 3 6 7 Metin Kahraman, Esra Kalkan Ertan, Bizhan Abgarmi, Eric Bergman, Downloaded from https://academic.oup.com/gji/article-abstract/214/1/185/4950498 by University of Victoria user on 24 March 2019 Abdolreza Ghods8 and Atilla Arda Ozacar¨ 6 1Department of Geophysics, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, USA. E-mail:
[email protected] 2School of Earth and Ocean Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada 3Department of Geophysics, Kandilli Observatory and Earthquake Research Institute, Bogazic˘ ¸i University, 34684 C¸ engelkoy,¨ Istanbul,˙ Turkey 4Regional Earthquake Tsunami Monitoring Center, Kandilli Observatory and Earthquake Research Institute, Bogazic˘ ¸i University, 34684 C¸ engelkoy,¨ Istanbul,˙ Turkey 5Department of Earthquake Engineering, Kandilli Observatory and Earthquake Research Institute, Bogazic˘ ¸i University, 34684 C¸ engelkoy,¨ Istanbul,˙ Turkey 6Department of Geological Engineering, Middle East Technical University, 06800 Ankara, Turkey 7Global Seismological Services, Golden, CO 80401, USA 8Department of Earth Sciences, Institute for Advanced Studies in Basic Sciences, University of Zanjan, 45195-1159 Zanjan, Iran Accepted 2018 March 20. Received 2018 March 14; in original form 2018 February 7 SUMMARY The 2017 July 20 Bodrum–Kos earthquake (Mw 6.6) is the largest instrumentally recorded earthquake in the Gokova¨ graben, one of the primary physiographic features of SW Turkey.