气候变化领域集成服务门户(CCPortal): Scenario-based seismic hazard analysis using spectral element method in northeastern Pakistan

CCPortal

DOI	10.1007/s11069-020-04074-w
	Scenario-based seismic hazard analysis using spectral element method in northeastern Pakistan
	Khan S.; van der Meijde M.; van der Werff H.; Shafique M.
发表日期	2020
ISSN	0921030X
起始页码	2131
结束页码	2144
卷号	103 期号:2
英文摘要	Seismic hazard analysis is carried out in this study by estimating ground motion for hypothetical earthquakes in the area of Muzaffarabad, Pakistan, with the MT solution of the 2005 Kashmir earthquake. The earth’s topography influences seismic waves by scattering and reflecting it, thereby causing spatial variation in seismic response. Using the moment tensor solution of the 2005 Kashmir earthquake, we perform 25 spectral element method (SEM)-based 3D simulations along major faults in the study area. The SEM model incorporates the topography and homogeneous half-space characteristics. Our results show that, beside topography, the relative location of the source with respect to slopes also has an influence on the observed variation in ground shaking amplitudes. By integrating the mean and standard deviation of estimated ground shaking from 25 simulations, we present a seismic hazard map for the study area. The map summarizes the topographic and potential source location effect on seismic-induced ground shaking in the study area. It provides a classification from hazardous to safe in relative terms and can be used as a guide in earthquake preparedness. © 2020, The Author(s).
关键词	Muzaffarabad Scenario earthquake Seismic hazard map Spectral element method Topographic amplification
英文关键词	earthquake prediction; ground motion; hazard assessment; Kashmir earthquake 2005; moment tensor; scenario analysis; seismic hazard; seismic response; seismic wave; seismic zone; topography; Azad Kashmir; Muzaffarabad; Pakistan
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/205759
作者单位	Department of Geology, Bacha Khan University Charsadda, P.O. Box 20, Charsadda, Khyber Pakhtunkhwa, Pakistan; Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, P.O. Box 217, Enschede, 7500 AE, Netherlands; National Centre of Excellence in Geology (NCEG), University of Peshawar, Peshawar, Khyber Pakhtunkhwa 25120, Pakistan
推荐引用方式 GB/T 7714	Khan S.,van der Meijde M.,van der Werff H.,et al. Scenario-based seismic hazard analysis using spectral element method in northeastern Pakistan[J],2020,103(2).
APA	Khan S.,van der Meijde M.,van der Werff H.,&Shafique M..(2020).Scenario-based seismic hazard analysis using spectral element method in northeastern Pakistan.Natural Hazards,103(2).
MLA	Khan S.,et al."Scenario-based seismic hazard analysis using spectral element method in northeastern Pakistan".Natural Hazards 103.2(2020).