FN Archimer Export Format PT J TI Interseismic strain build-up on the submarine North Anatolian Fault offshore Istanbul BT AF LANGE, Dietrich KOPP, Heidrun ROYER, Jean-Yves HENRY, Pierre CAKIR, Ziyadin PETERSEN, Florian SAKIC, Pierre BALLU, Valerie BIALAS, Joerg OZEREN, Mehmet Sinan ERGINTAV, Semih GELI, Louis AS 1:1;2:1,2;3:3,4;4:5;5:6;6:1;7:7,8,9;8:7,8;9:1;10:10;11:11;12:12; FF 1:;2:;3:;4:;5:;6:;7:;8:;9:;10:;11:;12:PDG-REM-GM-LAD; C1 GEOMAR Helmholtz Ctr Ocean Res Kiel, Kiel, Germany. Univ Kiel, Kiel, Germany. Univ Brest, Lab Geosci Ocean, Plouzane, France. CNRS, Plouzane, France. Aix Marseille Univ, Coll France, CEREGE, INRA,CNRS,IRD, Aix En Provence, France. Istanbul Tech Univ, Fac Mines, Dept Geol, Istanbul, Turkey. Univ La Rochelle, Lab LIENSs, La Rochelle, France. CNRS, La Rochelle, France. GFZ Helmholtz Zentrum Potsdam, Potsdam, Germany. Istanbul Tech Univ, Eurasia Inst Earth Sci, Istanbul, Turkey. Bogazici Univ, Kandilli Observ & Earthquake Res Inst, Dept Geodesy, Istanbul, Turkey. Inst Francais Rech Exploitat Mer IFREMER, Dept Ressources Phys & Ecosyst Fond Mer, Unite Geosci Marines, Plouzane, France. C2 IFM GEOMAR, GERMANY UNIV KIEL, GERMANY UBO, FRANCE CNRS, FRANCE UNIV AIX MARSEILLE, FRANCE UNIV TECH ISTANBUL, TURKEY UNIV LA ROCHELLE, FRANCE CNRS, FRANCE GFZ, GERMANY UNIV TECH ISTANBUL, TURKEY UNIV BOGAZICI, TURKEY IFREMER, FRANCE SI BREST SE PDG-REM-GM-LAD UM LGO IN WOS Ifremer UPR DOAJ copubli-france copubli-europe copubli-univ-france copubli-int-hors-europe copubli-sud IF 12.121 TC 32 UR https://archimer.ifremer.fr/doc/00507/61838/65897.pdf https://archimer.ifremer.fr/doc/00507/61838/65898.pdf https://archimer.ifremer.fr/doc/00507/61838/65899.pdf LA English DT Article AB Using offshore geodetic observations, we show that a segment of the North Anatolian Fault in the central Sea of Marmara is locked and therefore accumulating strain. The strain accumulation along this fault segment was previously extrapolated from onshore observations or inferred from the absence of seismicity, but both methods could not distinguish between fully locked or fully creeping fault behavior. A network of acoustic transponders measured crustal deformation with mm-precision on the seafloor for 2.5 years and did not detect any significant fault displacement. Absence of deformation together with sparse seismicity monitored by ocean bottom seismometers indicates complete fault locking to at least 3 km depth and presumably into the crystalline basement. The slip-deficit of at least 4m since the last known rupture in 1766 is equivalent to an earthquake of magnitude 7.1 to 7.4 in the Sea of Marmara offshore metropolitan Istanbul. PY 2019 PD JUN SO Nature Communications SN 2041-1723 PU Nature Publishing Group VL 10 IS 3006 UT 000474336500003 DI 10.1038/s41467-019-11016-z ID 61838 ER EF