KINEMATIC AND GEOMETRY OF THE TALEGHAN ACTIVE FAULT: ON THE BASIS OF MORPHOTECTONICS STUDIES, (CENTRAL ALBORZ, IRAN)

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NAZARI HAMID; RITZ J.F.

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Journal: GEOSCIENCES Year:2009 | Volume:18 | Issue:71 Page(s): 173-176

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Title

KINEMATIC AND GEOMETRY OF THE TALEGHAN ACTIVE FAULT: ON THE BASIS OF MORPHOTECTONICS STUDIES, (CENTRAL ALBORZ, IRAN)

Author(s)

NAZARI HAMID | RITZ J.F. | Issue Writer Certificate

Keywords

IRANQ2

ALBORZQ2

TALEGHAN FAULTQ2

PITCHQ2

Abstract

The TALEGHAN FAULT is located at the southern side of Taleghan valley in Central ALBORZ, 50 km north west of the Tehran mega city. Usually described as a south-dipping reverse fault, it could be the source of some of the strongest historical earthquakes recorded in the Tehran region, notably the 958 AD (estimated magnitude M 7.7). The fault stands out as one of the major active structure menacing the cities of Tehran and Karadj, representing together 12 millions inhabitants. In order to analyze the recent activity of the fault, a morphological study was carried out along the fault combining satellite imagery, aerial photographs and Digital Elevation Model. We found out an active branch that had never been described whereas the fault classically mapped appears inactive. Detailed field work along the branch allows us to show that the fault had its vertical component recently reverted from reverse movement to normal movement. One of the measured ratios of accumulated horizontal / vertical displacements associated to the left lateral and normal movement is 2.5-5. The strike, estimated dip and rake in the eastern part are 105o, 60o and 40o respectinely making it a left lateral- normal strike slip fault in this part of the Central ALBORZ.

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APA: Copy

NAZARI, HAMID, & RITZ, J.F.. (2009). KINEMATIC AND GEOMETRY OF THE TALEGHAN ACTIVE FAULT: ON THE BASIS OF MORPHOTECTONICS STUDIES, (CENTRAL ALBORZ, IRAN). GEOSCIENCES, 18(71), 173-176. SID. https://sid.ir/paper/32438/en

Vancouver: Copy

NAZARI HAMID, RITZ J.F.. KINEMATIC AND GEOMETRY OF THE TALEGHAN ACTIVE FAULT: ON THE BASIS OF MORPHOTECTONICS STUDIES, (CENTRAL ALBORZ, IRAN). GEOSCIENCES[Internet]. 2009;18(71):173-176. Available from: https://sid.ir/paper/32438/en

IEEE: Copy

HAMID NAZARI, and J.F. RITZ, “KINEMATIC AND GEOMETRY OF THE TALEGHAN ACTIVE FAULT: ON THE BASIS OF MORPHOTECTONICS STUDIES, (CENTRAL ALBORZ, IRAN),” GEOSCIENCES, vol. 18, no. 71, pp. 173–176, 2009, [Online]. Available: https://sid.ir/paper/32438/en

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