Articles | Volume 26, issue 8
https://doi.org/10.5194/nhess-26-4053-2026
https://doi.org/10.5194/nhess-26-4053-2026
Research article
 | 
26 Aug 2026
Research article |  | 26 Aug 2026

Post-LGM intensification of marine faulting: resolution-dependent hazard assessment

May Laor, Omri Gadol, Yizhaq Makovsky, Oded Katz, and Zohar Gvirtzman

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Classifying marine faults for hazard assessment offshore Israel: a new approach based on fault size and vertical displacement
May Laor and Zohar Gvirtzman
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Cited articles

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Angell, M. M., Hanson, K., Swan, F. H., Youngs, R., and Abramson, H.: Probabilistic fault displacement hazard assessment for flowlines and export pipelines, Mad Dog and Atlantis field developments, deepwater Gulf of Mexico, in: Offshore technology conference, OTC–15402, https://doi.org/10.4043/15402-MS, 2003. 
Ben-Avraham, Z.: The structure and tectonic setting of the Levant continental margin, Eastern Mediterranean, Tectonophysics, 46, 313–331, 1978. 
Bender, B. and Perkins, D. M.: SEISRISK III: a computer program for seismic hazard estimation, US Government Printing Office, https://doi.org/10.3133/b1772, 1987. 
Ben-Gai, Y., Ben-Avraham, Z., Buchbinder, B., and Kendall, C. G. S. C.: Post-Messinian evolution of the Southeastern Levant Basin based on two-dimensional stratigraphic simulation, Mar. Geol., 221, 359–379, https://doi.org/10.1016/j.margeo.2005.03.003, 2005. 
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A sub-meter high-resolution multi-channel seismic imaging offshore Israel reveals that marine fault slip rates are significantly higher than previously assumed. Our records suggest repeated accelerations correlated with glacial-interglacial transitions, indicating significant slip episodes that actively reshape the seafloor. As these events remained undetected in lower-resolution surveys, current methodologies likely underestimate the seismic hazards posed to marine infrastructure.
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