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Seismic waveform simulation in oceanic area

Seismic waveform simulation in oceanic area
海洋区域地震波形模拟
批准号：
21740334
负责人：
NAKAMURA Takeshi
金额：
$1.33万
依托单位：
Japan Agency for Marine-Earth Science and Technology
依托单位国家：
日本
项目类别：
Grant-in-Aid for Young Scientists (B)
财政年份：
2009
资助国家：
日本
项目状态：
已结题
起止时间：
2009 至 2010
来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21740334/
关键词：
地震波シミュレーション地震波動波動伝播差分法FDM地下構造モデル海底観測

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We proposed a responsible FDM solution in order to compute seismic wave propagation in models with both land and ocean-bottom topographies. We simulated 3D seismic wave propagation around the source region of the 2009 Suruga Bay earthquake employing the FDM code and the constructed structure model. The overall features of the synthetic waveforms fit well with the observed ones. We also found that the high order finite difference may cause the numerical error and be unsuitable to apply the calculation for a complex bathymetric structure.
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