Site effect on strong-motion records of the 2011 Mw9.0 Tohoku earthquake in Japan

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作者：
Li Heng Wang Ping Feng Qian Li Guanghong and Zhang Xinlin Institute of SeismologyChina Earthquake AdministrationWuhan China Wuhan Institute of Earthquake EngineeringWuhan China Earthquake Institute University of TokyoTokyo Japan [1 ,2 ,1 ,2 ,1 ,2 ,1 ,2 ,3 ,1 ,430071 ,2 ,430071 ,3 ,113 ,32 ]
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Geodesy and Geodynamics | 2011年 / 2卷 / 03期
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P315 [地震学];
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摘要：
Strong-motion site effect was checked for four sites at comparable epicentral distances from the March 11, 2011 Mw9.0 Tohoku earthquake in Japan. The result showed that site condition had a significant impact on peak acceleration, and on maximal amplitude and characteristic period of its response spectrum. Shorter-period seismic waves were amplified mainly in shallower soils, while longer-period waves in deeper soft rocks and soils, where the characteristic periods of response spectra were longer than those on ground surface.
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页码：37 / 41
页数：5
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