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    • تاریخ ارائه: 1390/11/15
    • تاریخ انتشار در تی پی بین: 1390/11/15
    • تعداد بازدید: 750
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     seismic hazard assessment has been done for gorgan city in this article. horizontal peak ground acceleration values (pga) for earthquakes with return periods of 475 and 2475 years have been calculated for this region by probabilistic approach of seismic hazard analysis. for this purpose, first, active faults and uniform catalogue of earthquakes in a radius of 150 km around gorgan have been used. after that, seismicity parameters have been evaluated using the methods in which magnitude uncertainty and incompleteness of earthquake data are considered. by using three attenuation relationships, seismic hazard assessment has been carried out using the seisriskiii computer program. two iso acceleration maps have been prepared to provide a probabilistic estimate of horizontal peak ground acceleration) pga) over bedrock for two mentioned hazard levels. finally, the results have been compared with the seismic macrozonation hazard map of iran, standard 2800.

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