Evaluation of the seismic hazard for 20 cities in Romania using Monte Carlo based simulations

查看全文 作　　者：Florin [1]Pavel;Radu [1]Vacareanu

机构地区：[1]Seismic Risk Assessment Research Center, Technical University of Civil Engineering Bucharest, Romania

出　　处：《Earthquake Engineering and Engineering Vibration》索引2017年第16卷第3期,共11页

基　　金：Romanian Ministry of Education and Scientific Research (MECS) under the Grant Number 72/2012 摘　　要：This work focuses on the evaluation of the seismic hazard for Romania using earthquake catalogues generated by a Monte Carlo approach. The seismicity of Romania can be attributed to the Vrancea intermediate-depth seismic source and to 13 other crustal seismic sources. The recurrence times of large magnitude seismic events(both crustal and subcrustal), as well as the moment release rates are computed using simulated earthquake catalogues. The results show that the largest contribution to the overall moment release for the crustal seismic sources is from the seismic regions in Bulgaria, while the seismic regions in Romania contribute less than 5% of the overall moment release. In addition, the computations show that the moment release rate for the Vrancea subcrustal seismic source is about ten times larger than that of all the crustal seismic sources. Finally, the Monte Carlo approach is used to evaluate the seismic hazard for 20 cities in Romania with populations larger than 100,000 inhabitants. The results show some differences between the seismic hazard values obtained through Monte-Carlo simulation and those in the Romanian seismic design code P100-1/2013, notably for cities situated in the western part of Romania that are influenced by local crustal seismic sources. 关键词：地震危险性评价蒙特卡洛模拟罗马尼亚城市地震矩释放蒙特卡罗方法蒙特卡洛方法抗震设计规范

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Evaluation of the seismic hazard for 20 cities in Romania using Monte Carlo based simulations

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