شماره ركورد كنفرانس :
4891
عنوان مقاله :
SEISMIC HAZARD ASSESSMENT OF GORGAN, IRAN
Author/Authors :
Abodolahzadeh Gholamreza civil engineering department of Babol University of Technology , Khanmohammadi Leila civil engineering department of Babol University of Technology , Zahedi Tajrishi Fatemeh civil engineering department of Babol University of Technology
كليدواژه :
seismicity parameters , PGA , attenuation relationship , probabilistic approach , Gorgan
عنوان كنفرانس :
نهمين كنگره بين المللي مهندسي عمران
چكيده فارسي :
فاقد چكيده فارسي
چكيده لاتين :
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.
