Uncertainty and Spatial Correlation of Earthquake Ground Motion in Taiwan

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题名:	Uncertainty and Spatial Correlation of Earthquake Ground Motion in Taiwan
作者:	Sokolov,V;Wenzel,F;Jean,WY;Wen,KL
贡献者:	地球物理研究所
关键词:	PEAK HORIZONTAL ACCELERATION;BOORE ATTENUATION DATA;CHI-CHI EARTHQUAKE;PREDICTION EQUATIONS;SEISMIC-HAZARD;RESPONSE SPECTRA;TAIPEI BASIN;VARIABILITY;JAPAN;SITE
日期:	2010
上传时间:	2012-03-27 17:36:51 (UTC+8)
出版者:	國立中央大學
摘要:	In this work we analyzed characteristics of aleatory variability with regard to intra-event and inter-event components in the prediction of peak ground acceleration in Taiwan and the spatial (site-to-site) correlation of ground motion residuals. The characteristics are very important for an assessment of seismic hazard and loss for regionally located building assets (portfolio) and spatially distributed systems (lifelines) and Shake Map generation. The strong-motion database collected by the TSMIP network in Taiwan, which includes about 4650 records from 66 shallow earthquakes (M(L) > 4.5, focal depth < 30 km) occurred in 1993 - 2004, was used for this purpose. The results of the analysis show that the ground motion correlation structure is highly dependent on local geology and on peculiarities of the propagation path (azimuth-dependent attenuation). Thus, a single generalized spatial correlation model may not be adequate for all of Taiwan territory or similar large areas.
關聯:	TERRESTRIAL ATMOSPHERIC AND OCEANIC SCIENCES
显示于类别:	[地球物理研究所] 期刊論文

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