日本M_W9.0强震动观测与记录初步分析
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摘要
2011年3月11日日本东太平洋海域发生MW9.0级地震,造成了严重的灾害损失,地震诱发了海啸,海啸灾害最终导致核泄漏事件。本文初步收集整理了日本强震动观测网获得的强震动记录,简要进行强震动记录的特征分析,并完成典型记录的频谱特征计算,为进一步开展全面深入研究地震动特征提供参考。
The 9.0-magnitude undersea mega-thrust earthquake off the coast of Japan occurred at 14:46 JST on March 11,2011.The earthquake caused the great casualty and property loss,it also triggered extremely destructive tsunami,which later led to the worst nuclear catastrophe.In this paper,the strong ground motion observation network in Japan is briefly introduced and the strong motion data are preliminarily processed and some statistical characteristics for those data are given and typical response spectrum is calculated.All those processed data could serve the further research.
The 9.0-magnitude undersea mega-thrust earthquake off the coast of Japan occurred at 14:46 JST on March 11,2011.The earthquake caused the great casualty and property loss,it also triggered extremely destructive tsunami,which later led to the worst nuclear catastrophe.In this paper,the strong ground motion observation network in Japan is briefly introduced and the strong motion data are preliminarily processed and some statistical characteristics for those data are given and typical response spectrum is calculated.All those processed data could serve the further research.
引文
[1]http:∥www.jma.go.jp/jma/en/2011_Earthquake.html
[2]http:∥outreach.eri.u-tokyo.ac.jp/eqvolc/201103_tohoku/
[3]http:∥www.k-net.bosai.go.jp/
[4]http:∥www.kik.bosai.go.jp/
[5]Strasser F,Bomme J.Review:Strong ground motions—Have we seen the worst?Bulletin of the Seismo-logical Society of America,2009,99(5):2 613-2 637
[6]中国地震局震害防御司.汶川8.0级地震未校正加速度记录.北京:地震出版社,2008
[7]Boroschek R,Soto P,Leon R.Report Maule Region Earthquake February 27,2010MW=8.8,Universi-ty of Chile,2010
[8]http:∥earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0001xgp.php
[9]Boore D.TSPP——A Collection of FORTRAN Programs for Processing and Manipulating Time Series,U.S.Geological Survey Open-File Report 2008-1111,2008
[10]Kanno T,et al.A new attenuation relation for strong ground motion in Japan based on recorded data.Bulletin of the Seismological Society of America,2006,96(3):879-897
[11]Arias A.A Measure of Earthquake Intensity:Seismic Design for Nuclear Power Plants.Cambridge,Massachusetts:Massachusetts Institute of Technology Press,1970
[12]Travasarou T,Bray J,Abrahamson N.Empirical attenuation relationship for Arias Intensity.Earth-quake Engineering&Structural Dynamics 2003,32(7):1 133-1 155
[13]卢大伟,李小军.中国大陆强震动观测发展研究.国际地震动态,2010(10):35-42
[2]http:∥outreach.eri.u-tokyo.ac.jp/eqvolc/201103_tohoku/
[3]http:∥www.k-net.bosai.go.jp/
[4]http:∥www.kik.bosai.go.jp/
[5]Strasser F,Bomme J.Review:Strong ground motions—Have we seen the worst?Bulletin of the Seismo-logical Society of America,2009,99(5):2 613-2 637
[6]中国地震局震害防御司.汶川8.0级地震未校正加速度记录.北京:地震出版社,2008
[7]Boroschek R,Soto P,Leon R.Report Maule Region Earthquake February 27,2010MW=8.8,Universi-ty of Chile,2010
[8]http:∥earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc0001xgp.php
[9]Boore D.TSPP——A Collection of FORTRAN Programs for Processing and Manipulating Time Series,U.S.Geological Survey Open-File Report 2008-1111,2008
[10]Kanno T,et al.A new attenuation relation for strong ground motion in Japan based on recorded data.Bulletin of the Seismological Society of America,2006,96(3):879-897
[11]Arias A.A Measure of Earthquake Intensity:Seismic Design for Nuclear Power Plants.Cambridge,Massachusetts:Massachusetts Institute of Technology Press,1970
[12]Travasarou T,Bray J,Abrahamson N.Empirical attenuation relationship for Arias Intensity.Earth-quake Engineering&Structural Dynamics 2003,32(7):1 133-1 155
[13]卢大伟,李小军.中国大陆强震动观测发展研究.国际地震动态,2010(10):35-42
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