Investigation of seismicity parameters with the help of estimating geological and seismic moment rates in the east

Document Type : Original Article

Authors

1 birjand university

2 Department of Geology University of Birjand

Abstract

Calculation of geological and seismic moments is one of the methods in evaluating the level of tectonic activities in different regions. In this study the seismic potential in eastern Iran was assessed using geological and seismic moment rates. Results show that the maximum geological moment for the Sabzevaran fault is 2.61544 × 1018 and the minimum value, 9.91367 × 1015, belongs to the Jazmourian fault. Based on the obtained iso-acceleration map, the average and maximum acceleration values (0.747423) have been observed around the important Saravan, Bam posht, Asagi, Pishgiram, Zahedan and Gowk. The calculated cumulative geological moment rate for the studied region is 1.4166 × 1018. According to the cumulative geological moment rate map, the maximum value of the cumulative geological moment rate of 2.26248 × 1020 was observed in the vicinity of the Sefidabeh-Zahedan, Kahurak, Narreh Now, Gowk, and Shahdad fault systems. The minimum cumulative geological moment rate, 1.77828 × 1019, was detected in the northern region of the Narges fault.

Keywords

Journal of Tectonics
Volume 6, Issue 21
June 2022
Pages 20-36

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