Articles | Volume 9, issue 3
Research article
 | Highlight paper
20 Jun 2018
Research article | Highlight paper |  | 20 Jun 2018

The seismogenic fault system of the 2017 Mw 7.3 Iran–Iraq earthquake: constraints from surface and subsurface data, cross-section balancing, and restoration

Stefano Tavani, Mariano Parente, Francesco Puzone, Amerigo Corradetti, Gholamreza Gharabeigli, Mehdi Valinejad, Davoud Morsalnejad, and Stefano Mazzoli

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Cited articles

Agard, P., Omrani, J., Jolivet, L., and Mouthereau, F.: Convergence history across Zagros (Iran): Constraints from collisional and earlier deformation, Int. J. Earth Sci., 94, 401–419,, 2005.
Alavi, M.: Tectonics of Zagros Orogenic Belt of Iran, New Data and Interpretation, Tectonophysics, 229, 211–238,, 1994.
Alavi, M.: Structures of the Zagros fold-thrust belt in Iran, Am. J. Sci., 307, 1064–1095,, 2007.
Allen, M. B. and Talebian, M.: Structural variation along the Zagros and the nature of the Dezful Embayment, Geol. Mag., 148, 911–924,, 2011.
Allen, M. B., Saville, C., Blanc, E. P., Talebian, M., and Nissen, E.: Orogenic plateau growth: Expansion of the Turkish-Iranian Plateau across the Zagros fold-and-thrust belt, Tectonophysics, 32, 171–190,, 2013.
Short summary
A balanced cross section across the hypocentre of the 2017 Iran–Iraq Mw 7.3 earthquake is presented. The structural style of the area is characterised by inversion tectonics with partial decoupling between the basement and the 10 km thick sedimentary cover. The main shock is located along a low-dipping lateral ramp of the Mountain Front Fault. The balanced cross section indicates that the Mountain Front Fault is the only fault where an Mw 7.3 earthquake may occur.