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Site Response, Basin Effects, and Attenuation in the Puget Lowland, Washington State, U. S
https://doi.org/10.15083/0000032503
https://doi.org/10.15083/00000325035ad009d8-9944-4628-84ec-8404a25b8eca
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
IHO81312.pdf (1.8MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2016-12-28 | |||||
| タイトル | ||||||
| タイトル | Site Response, Basin Effects, and Attenuation in the Puget Lowland, Washington State, U. S | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | site response | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | ground shaking, attenuation | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | departmental bulletin paper | |||||
| ID登録 | ||||||
| ID登録 | 10.15083/0000032503 | |||||
| ID登録タイプ | JaLC | |||||
| その他のタイトル | ||||||
| その他のタイトル | 米国ワシントン州ピュージェット低地におけるサイト応答特性と盆地効果と減衰 | |||||
| 著者 |
Thomas, L. Pratt
× Thomas, L. Pratt |
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| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 124737 | |||||
| 姓名 | トーマス, プラット | |||||
| 著者所属 | ||||||
| 値 | U. S. Geological Survey, School of Oceanography, University of Washington, Seattle | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Site response, basin amplification, and attenuation within the Puget Lowland, in the Cascade forearc of Washington State, have been measured using large temporary deployments of seismometers during 3 Seattle Seismic Hazard Investigation of Puget Sound (SHIPS) experiments, and the permanent strong-motion network. Horizontal-component recordings of shear waves from teleseisms and local earthquakes were used to compute spectral ratios with respect to the average of several bedrock sites. Results show amplifications of 0.3 to 0.8 Hz seismic waves by factors of 6 to 12 at sites over the deep Seattle sedimentary basin (＞2.5km of sedimentary strata), with the peak amplification being at about 0.3 Hz. All sites in the central Puget Lowland are amplified significantly, however, which indicates that the deposits in the upper 2.5km extending beyond the margins of the deep basin are responsible for much of the amplification. The deep basin itself appears to amplify waves by factors of up to 2 in the 0.05 to 0.2 Hz frequency range, which is consistent with resonance in the deep strata. The horizontal to vertical ratios and crosscorrelations of arrivals at adjacent stations on the basin are consistent with the presence of scattered body-wave energy and Rayleigh waves in the later portions of the long-period signal. Estimates of the shear-wave attenuation factors (Qs) between 2 to 20 Hz increase from 5 to 40 for shallow sedimentary deposits to about 250 for the deep sedimentary strata (7km depth). | |||||
| 書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 81, 号 3-4, p. 283-289, 発行日 2006 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00408972 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00162258 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 51.1 | |||||
| 出版者 | ||||||
| 出版者 | 東京大学地震研究所 | |||||
| 出版者別名 | ||||||
| 値 | Earthquake Research Institute, University of Tokyo | |||||
