日本地震工学会論文集
Online ISSN : 1884-6246
分岐断層の特性化震源モデルを用いた兵庫県南部地震の強震動シミュレーション
平井 俊之釜江 克宏長沼 敏彦伊藤 進一郎西岡 勉入倉 孝次郎
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ジャーナル フリー

2006 年 6 巻 3 号 p. 1-11

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We propose an improved fault model of the Hyogo-ken Nanbu Earthquake for which an asperity is placed on the branch fault (branch fault model). The branch fault model is based on the result of source inversion which suggests that the rupture of the fault propagated also to the branch fault on the way. The result of the ground motion simulation by using the branch fault model agree better with observed motions than the results by using the previous fault model, for the sites located east of the fault for which the branch fault contributes much.

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