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Seismotectonics of the Zagros Foredeep Fault (ZFF), NE Arabian plate

Seismotectonics of the Zagros Foredeep Fault (ZFF), NE Arabian plate Zagros Foredeep Fault (ZFF) is located to the northeast of the Arabian plate and represents a discontinuous line that extends from southern Iran, through Iraqi territories to northeastern Syria. This research aims to study the seismotectonics of the Zagros Foredeep Fault at the collision zone between the Arabian and Eurasian plates. The results show that fifteen earthquake sequences have occurred on the Zagros Foredeep Fault. One of these sequences consists of more than 200 earthquakes in one month (April 2021). The study of the stress regime and the focal mechanism solutions in the Zagros Foredeep Fault shows that the fault has a reverse movement in most parts of it and a strike-slip at the northwestern part of it. Zagros Foredeep Fault was displaced by two strike-slip faults in Khuzestan that are extended from Basrah transversal basement faults. The mechanism of the Abdul-Aziz fault in Syria is a strike-slip with normal movement, which reveals that this fault is not a part of the Zagros Foredeep Fault. The authors believe that the Zagros fault formed in the Late Triassic period as a normal fault and reactivated with reverse movement in the Tertiary period during the collision between the Arabian-Eurasian plates. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arabian Journal of Geosciences Springer Journals

Seismotectonics of the Zagros Foredeep Fault (ZFF), NE Arabian plate

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References (44)

Publisher
Springer Journals
Copyright
Copyright © Saudi Society for Geosciences 2022
ISSN
1866-7511
eISSN
1866-7538
DOI
10.1007/s12517-022-10448-0
Publisher site
See Article on Publisher Site

Abstract

Zagros Foredeep Fault (ZFF) is located to the northeast of the Arabian plate and represents a discontinuous line that extends from southern Iran, through Iraqi territories to northeastern Syria. This research aims to study the seismotectonics of the Zagros Foredeep Fault at the collision zone between the Arabian and Eurasian plates. The results show that fifteen earthquake sequences have occurred on the Zagros Foredeep Fault. One of these sequences consists of more than 200 earthquakes in one month (April 2021). The study of the stress regime and the focal mechanism solutions in the Zagros Foredeep Fault shows that the fault has a reverse movement in most parts of it and a strike-slip at the northwestern part of it. Zagros Foredeep Fault was displaced by two strike-slip faults in Khuzestan that are extended from Basrah transversal basement faults. The mechanism of the Abdul-Aziz fault in Syria is a strike-slip with normal movement, which reveals that this fault is not a part of the Zagros Foredeep Fault. The authors believe that the Zagros fault formed in the Late Triassic period as a normal fault and reactivated with reverse movement in the Tertiary period during the collision between the Arabian-Eurasian plates.

Journal

Arabian Journal of Geosciences – Springer Journals

Published: Jul 1, 2022

Keywords: Zagros Foredeep Fault (ZFF); Zagros Frontal Fault (ZFF); Arabian-Eurasian plates; Badra-Amarah fault; Earthquake sequences

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