Articles | Volume 15, issue 2
Research article
04 Feb 2015
Research article |  | 04 Feb 2015

Estimation of successive coseismic vertical offsets using coeval sedimentary events – application to the southwestern limit of the Sea of Marmara's Central Basin (North Anatolian Fault)

C. Beck, C. Campos, K. K. Eriş, N. Çağatay, B. Mercier de Lepinay, and F. Jouanne

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Cited articles

Adams, J.: Paleoseismicity of the Cascadian subduction zone: evidence from turbidites off the Oregon–Washington margin, Tectonics, 9, 569–583, 1990.
Aksoy, M. E., Meghraoui, M., Vallee, M., Cakir, Z.: Rupture characteristics of the A.D. 1912 Murefte (Ganos) earthquake segment of the North Anatolian fault (western Turkey), Geology, 38, 991–994,, 2010.
Aksu, A. E., Hiscott, R. N., and Yasar, D.: Oscillating Quaternary water levels of the Marmara Sea and vigorous outflow into the Aegean Sea from the Marmara Sea-Black Sea drainage corridor, Mar. Geol., 153, 275–302, 1999.
Altinok, Y., Alpar, B., Özer, N., and Aykurt, H.: Revision of the tsunami catalogue affecting Turkish coasts and surrounding regions, Nat. Hazards Earth Syst. Sci., 11, 273–291,, 2011.
Altunel, E., Meghraoui, M., Akyüz, H. S., and Dikbas, A.: Characteristics of the 1912 coseismic rupture along the North Anatolian Fault Zone (Turkey): implications for the expected Marmara earthquake, Terra Nova, 16, 198–204, 2004.
Short summary
Deciphering coseismic offsets from creeping is a key point for an active fault behavior. In a subaqueous setting, coseismic offsets of the seafloor may be sealed off by earthquake-triggered sediments. Along the limit of a pull-apart basin in the Sea of Marmara, successive vertical offsets (up to 1.4m) are deduced from the thicknesses of homogenites which seal-off created scarps. During a 2kyr period, coseismic seafloor offsets are dominant, representing potential tsunami hazards.
Final-revised paper