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ژئوفیزیک ایران، جلد ۱۴، شماره ۴، صفحات ۱۹-۲۸
عنوان فارسی Evaluation of the Deterministic Seismic Hazard by using Fuzzy Inference System, Case Study: Tabriz city, Iran
چکیده فارسی مقاله The Iranian plateau is located in the high seismicity belt. Earthquake can inflict severe loss of life and property, especially when they occur in densely populated areas. Therefore, seismic hazard evaluation is very essential to prevent the harmful effects. The region of the study is located in the northwest of Iran, between 43°-50° E longitude and 35.5°-40.5° N latitude. This city which is located in the center of East Azerbaijan province, has been ruined by terrible earthquakes, which is due to the presence of active faults in the region. Seismic hazard assessment similar to other seismology researches is very complicated due to the effect of different parameters in an earthquake occurring with uncertainty. The amount of uncertainty should be considered in a rational way. The fuzzy method is a suitable method that is used as a decision-making method for solving problems and modeling uncertainties and ambiguities. We used a fuzzy inference system, as the practice is based on uncertainty estimation of seismic hazard for Tabriz region. Peak ground Acceleration value is estimated for fuzzy Logic System in deterministic method 0.55g which is obtained from a seismic source with a Mmax=8.0 at a distance of  36.98 km of Tabriz city.The contour map of the peak ground acceleration throughout Tabriz city can help in urban planning.  
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عنوان انگلیسی Evaluation of the Deterministic Seismic Hazard by using Fuzzy Inference System, Case Study: Tabriz city, Iran
چکیده انگلیسی مقاله The Iranian plateau is located in the high seismicity belt. Earthquake can inflict severe loss of life and property, especially when they occur in densely populated areas. Therefore, seismic hazard evaluation is very essential to prevent the harmful effects. The region of the study is located in the northwest of Iran, between 43°-50° E longitude and 35.5°-40.5° N latitude. This city which is located in the center of East Azerbaijan province, has been ruined by terrible earthquakes, which is due to the presence of active faults in the region. Seismic hazard assessment similar to other seismology researches is very complicated due to the effect of different parameters in an earthquake occurring with uncertainty. The amount of uncertainty should be considered in a rational way. The fuzzy method is a suitable method that is used as a decision-making method for solving problems and modeling uncertainties and ambiguities. We used a fuzzy inference system, as the practice is based on uncertainty estimation of seismic hazard for Tabriz region. Peak ground Acceleration value is estimated for fuzzy Logic System in deterministic method 0.55g which is obtained from a seismic source with a Mmax=8.0 at a distance of  36.98 km of Tabriz city.The contour map of the peak ground acceleration throughout Tabriz city can help in urban planning.  
کلیدواژه‌های انگلیسی مقاله Fuzzy inference system, Seismic hazard, Deterministic Approach, Peak Ground Acceleration, Tabriz, Iran
نویسندگان مقاله Fataneh Taghizadeh Farahmand |
Associate Professor of Seismology, Department of Basic Science, Faculty of Physics, Islamic Azad University, Qom Branch, Qom, Iran

Malikeh Eslami |
Master Science of Geophysics, Department of Basic Science, Faculty of Physics, Islamic Azad University, Qom Branch, Qom, Iran

نشانی اینترنتی https://www.ijgeophysics.ir/article_107051_848e36fc7bc92e71b45f35562c6e6351.pdf
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