| 2008年5月12日汶川地震谱震级及相关问题研究(英文) |
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| 作者姓名： | Seweryn J.Duda Jaromir Jansky |
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| 作者单位： | Seweryn J. Duda(Institut far Geophysik, Universitat Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany);Jaromir Jansky(Department of Geophysics, Charles University, Ke Karlovu 3, 121 16 Praha 2, Czech Republic) |
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| 基金项目： | Grants GACR 205/07/0502 ; MSM 0021620860 of the Czech Republic |
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| 摘 要： | 基于P波和S波的谱震级特征对汶川地震进行了定量研究，可以看出P波和S波的最大谱震级出现在不同的周期上。对这一现象的构造物理意义进行了讨论，推测相对于P波而言，地震发生期间辐射的S波能量来自异常大的震源体积。选择部分全球地震的谱特征为背景，对汶川地震的体波谱震级特征进行了分析，结论是汶川地震的特征与其所处的周边环境是一致的。
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| 关 键 词： | 汶川地震 谱震级 地震体积 地震定量化 |
Spectral Magnitudes of the Sichuan,China,Earthquake of 12 May 2008,and Related Problems |
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| Seweryn J.Duda,Jaromir Jansky.Spectral Magnitudes of the Sichuan,China,Earthquake of 12 May 2008,and Related Problems[J].Computerized Tomography Theory and Applications,2009,18(2):15-23. |
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| Authors: | Seweryn J Duda Jaromir Jansky |
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| Institution: | 1. Institut far Geophysik, Universitat Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany
2. Department of Geophysics, Charles University, Ke Karlovu 3, 121 16 Praha 2, Czech Republic |
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| Abstract: | The Sichuan earthquake is quantified on the basis of its spectral magnitudes of the P-and of the S-waves.The maximum spectral magnitudes of the two waves are seen to occur at different periods.The tectonophysical significance of the finding is discussed, and it is deduced from it that the S-wave energy radiated during the earthquake was drawn from unusually large volume, if compared to the volume corresponding to the P-waves.The spectral features of the body waves of the Sichuan earthquake are analysed on t... |
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| Keywords: | Sichuan (China) earthquake spectral magnitudes earthquake volume quantification of earthquakes |
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