書誌事項
- タイトル別名
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- The Distribution of Strong Ground Motion from the 2001 Geiyo Earthquake and the Deep Underground Structure
- 2001ネン ゲイヨ ジシン ノ キョウシンドウ ブンプ ト シンブ チカ コウゾウ
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抄録
The significant attenuation of seismic motion in the west of the 2001 Geiyo earthquake is inferred from strong motion distributions, observed seismograms and their spectra. Since this attenuation is identified even in the distribution of borehole motions, that is assumed to arise in a deeper part like the mantle wedge. If we assume a low-Q zone in the mantle wedge, a strong motion simulation with Qs = 20-30 can reproduce the observations. This zone may be related to dehydration of the Philippine sea plate.
収録刊行物
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- 地震 第2輯
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地震 第2輯 55 (2), 97-105, 2002
公益社団法人 日本地震学会
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詳細情報
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- CRID
- 1390001204305811328
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- NII論文ID
- 10010429048
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- NII書誌ID
- AN00305741
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- ISSN
- 18839029
- 2186599X
- 00371114
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- NDL書誌ID
- 6561671
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可