Seismic Hazard Assessment at Esfaraen-Bojnurd Railway, North-East of Iran

被引：5

作者：

Haerifard, S. ^{[1
]}

Jarahi, H. ^{[1
]}

Pourkermani, M. ^{[1
]}

Almasian, M. ^{[1
]}

机构：

[1] Islamic Azad Univ, North Tehran Branch, Dept Geosci, Tehran 1651153311, Iran

来源：

GEOTECTONICS | 2018年 / 52卷 / 01期

关键词：

seismotectonics; seismic sources model; seismic hazard; Esfarayen-Bojnurd railway; PSHA method; earthquake catalogue; logic tree; ground acceleration; AVERAGE HORIZONTAL COMPONENT; GROUND-MOTION; NE IRAN; RESPONSE SPECTRA; PLATEAU; MODEL; EARTHQUAKES; PERIODS; THRUST; PART;

D O I：

10.1134/S0016852118010041

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The objective of this study is to evaluate the seismic hazard at the Esfarayen-Bojnurd railway using the probabilistic seismic hazard assessment (PSHA) method. This method was carried out based on a recent data set to take into account the historic seismicity and updated instrumental seismicity. A homogenous earthquake catalogue was compiled and a proposed seismic sources model was presented. Attenuation equations that recently recommended by experts and developed based upon earthquake data obtained from tectonic environments similar to those in and around the studied area were weighted and used for assessment of seismic hazard in the frame of logic tree approach. Considering a grid of 1.2 x 1.2 km covering the study area, ground acceleration for every node was calculated. Hazard maps at bedrock conditions were produced for peak ground acceleration, in addition to return periods of 74, 475 and 2475 years.

引用

页码：151 / 156

页数：6

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