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Information Journal Paper

Title

THE ZAGROS GEODYNAMICS AND LORESTAN PROVINCE SEISMIC ACTIVITY

Pages

  17-34

Abstract

 The LORESTAN PROVINCE structural position between the Sanandaj-Sirjan zone in north and the ZAGROS folded- uplifted belt in south are caused for controlling the province seismic activity. The ZAGROS faults are formed in the two zones contact, and there is the highest concentration of seismic activity. The OBLIQUE CONVERGENCE Arabian plate and the Central Iran are caused for the Main Recent ZAGROS fault strike-slip movement with dextral component in the NW ZAGROS zone. The Main Recent ZAGROS fault activity is caused EARTHQUAKE events with transtension focal mechanism in the north part of the LORESTAN PROVINCE. Also the north ward Arabian plate movement is caused compressive focal mechanism in the south part. The hidden faults activity under the thick sedimentary are caused to wide distribution EARTHQUAKEs in the Lorestan. The Hormoz salt thick bedding between the ZAGROS basement and upper sedimentary deposits are barrier for influencing basement fault activity in the ZAGROS seismic activity. So such as the ZAGROS zone, the EARTHQUAKEs depth character is low or maximum medium in the Lorestan area. According to this study in this paper, the maximum vertical acceleration is along the Main Recent ZAGROS fault in the Lorestan north part. Along this fault, vertical acceleration in the Aligudarz is 0.3 g, so compared to other Lorestan cities is more threatened.

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    APA: Copy

    BOUZARI, SOHEILA. (2012). THE ZAGROS GEODYNAMICS AND LORESTAN PROVINCE SEISMIC ACTIVITY. JOURNAL OF THE EARTH, 6(22), 17-34. SID. https://sid.ir/paper/192922/en

    Vancouver: Copy

    BOUZARI SOHEILA. THE ZAGROS GEODYNAMICS AND LORESTAN PROVINCE SEISMIC ACTIVITY. JOURNAL OF THE EARTH[Internet]. 2012;6(22):17-34. Available from: https://sid.ir/paper/192922/en

    IEEE: Copy

    SOHEILA BOUZARI, “THE ZAGROS GEODYNAMICS AND LORESTAN PROVINCE SEISMIC ACTIVITY,” JOURNAL OF THE EARTH, vol. 6, no. 22, pp. 17–34, 2012, [Online]. Available: https://sid.ir/paper/192922/en

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