INVESTIGATION ON SEISMICITY OF RECENT EARTH MOVEMENTS IN SANANDAJ- SIRJAN STRUCTURAL ZONE, BY USING RS & GIS TECHNIQUES

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SAFARI H.; GHASSEMI M.R.; BAHRAMI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: GEOSCIENCES Year:2015 | Volume:24 | Issue:95 (TECTONIC) Page(s): 265-272

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Title

INVESTIGATION ON SEISMICITY OF RECENT EARTH MOVEMENTS IN SANANDAJ- SIRJAN STRUCTURAL ZONE, BY USING RS & GIS TECHNIQUES

Author(s)

SAFARI H. | GHASSEMI M.R. | BAHRAMI M. | Issue Writer Certificate

Keywords

GEOINFORMATICSQ2

SANANDAJ- SIRJANQ1

SHAHREZAQ2

SEISMICITYQ2

Abstract

This opinion exist that basement of the Sanandaj-Sirjan Zone was cratonized during Cimmerian and Laramide Orogenic phases and so, therefore it is considered as an aseismic (or low-sesimicity) zone. The SHAHREZA area in the central part of the zone is selected as a case study area for investigation on SEISMICITY and recent movements and verifying of this hypothesis. We used Geoinformatic techniques (including: Remote Sensing, GIS and field surveying methods) in this research to detect the structures of the area and their kinematics, to locate earthquake foci, to find neotectonic evidences of active faults, and proofs for high SEISMICITY of the area. Our results shows that the SHAHREZA fault (and Dehaghan fault located in southwest of study area) having a dextral strike-slip mechanism is the main structural trend in the area. This fault zone is truncated and offset by the Nosratabad fault (with strike N50-70E and sinistral strike-slip mechanism). In the intersection area of these main trends, many earthquake foci (with strike-slip focal mechanism) are located. Other than several earthquakes, neotectonic evidences for fault activity are are observed in the SHAHREZA area.

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APA: Copy

SAFARI, H., GHASSEMI, M.R., & BAHRAMI, M.. (2015). INVESTIGATION ON SEISMICITY OF RECENT EARTH MOVEMENTS IN SANANDAJ- SIRJAN STRUCTURAL ZONE, BY USING RS & GIS TECHNIQUES. GEOSCIENCES, 24(95 (TECTONIC)), 265-272. SID. https://sid.ir/paper/31311/en

Vancouver: Copy

SAFARI H., GHASSEMI M.R., BAHRAMI M.. INVESTIGATION ON SEISMICITY OF RECENT EARTH MOVEMENTS IN SANANDAJ- SIRJAN STRUCTURAL ZONE, BY USING RS & GIS TECHNIQUES. GEOSCIENCES[Internet]. 2015;24(95 (TECTONIC)):265-272. Available from: https://sid.ir/paper/31311/en

IEEE: Copy

H. SAFARI, M.R. GHASSEMI, and M. BAHRAMI, “INVESTIGATION ON SEISMICITY OF RECENT EARTH MOVEMENTS IN SANANDAJ- SIRJAN STRUCTURAL ZONE, BY USING RS & GIS TECHNIQUES,” GEOSCIENCES, vol. 24, no. 95 (TECTONIC), pp. 265–272, 2015, [Online]. Available: https://sid.ir/paper/31311/en

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