Determining the slip rate of Rafsanjan fault using the age of the samples taken from that fault and comparing the results of the two software analysts and R

Seyed Mohammadi Emam, Latif; Karimi Moayed, Nasrin; Fattahi, Morteza; Amini, Hamide

doi:10.22111/jneh.2022.37020.1748

Determining the slip rate of Rafsanjan fault using the age of the samples taken from that fault and comparing the results of the two software analysts and R

Document Type : Research Article

Authors

¹ Master of Geophysics, Institute of Geophysics, University of Tehran, Tehran, Iran

² PhD Student of Seismology, Institute of Geophysics, University of Tehran, Tehran, Iran

³ Associate Professor of Seismology, Institute of Geophysics, University of Tehran, Tehran, Iran

⁴ Assistant Professor of Seismology, Institute of Geophysics, University of Tehran, Tehran, Iran

10.22111/jneh.2022.37020.1748

Abstract

Fault slip rate is the amount of displacement of one wall relative to another fault wall over a period of time. The duration of this shift can be measured using the luminescence dating method. To determine the age by luminescence dating method, two dose parameters equivalent to normal dose and annual dose are needed. By dividing the dose equivalent to the natural dose by the annual dose rate, the age value is determined per structural unit. To determine the dose equivalent to the normal dose, a protocol for measuring luminescence signals (data) and a program for analyzing the data are required. Data analysis was performed using R software. Because the usual international program to do this is analytics software. Data were also analyzed with analyst software. The results of these two softwares and their effect in determining the slip rate of Rafsanjan fault were compared. The amount of displacement measured on the Rafsanjan fault is 48 ± 4 meters. The age was estimated to be 97-118thousand years using R software and 101-129 thousand years by analyst software. Slip rates were obtained by R software and analysts, 0.41 to 0.53 and 0.36 to 0.48 mm / year, respectively. Slip rates were obtained by R software and analysts, 0.41 to 0.53 and 0.36 to 0.48 mm / year, respectively.

Keywords

20.1001.1.26764377.1401.11.33.6.7

Main Subjects

Environmental Hazards

References

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