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  1. 131 地震研究所
  2. 東京大学地震研究所彙報
  3. 48
  4. 5
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. 東京大学地震研究所彙報
  4. 48
  5. 5

39. P-Wave Travel Time Anomaly in Asia and the Southwestern Pacific

https://doi.org/10.15083/0000033291
f4c7d0be-8c6d-4460-9068-eb7a5a82bd09
名前 / ファイル ライセンス アクション
ji0485004.pdf ji0485004.pdf (1.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2008-05-30
タイトル
タイトル 39. P-Wave Travel Time Anomaly in Asia and the Southwestern Pacific
言語 en
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/0000033291
ID登録タイプ JaLC
その他のタイトル
その他のタイトル 39.アジアと南西太平洋におけるP波の走時異常
著者 Kebeasy, Rashad. M.

× Kebeasy, Rashad. M.

WEKO 129975

Kebeasy, Rashad. M.

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著者所属
著者所属 Earthquake Research Institute
抄録
内容記述タイプ Abstract
内容記述 The regional variation of the P-wave travel time residual is investigated. USCGS and Soviet data are used for this study. The selected epicenters are determined by at least thirty readings at various stations distributed widely in azimuth and distance. The residual is studied at stations located on the concave and convex sides of the arcs in order to find the dependence of the residual on the seismic activity and the tectonic nature of the arcs. The same study was carried out at stable regions such as the Arabian shield and Central Asia. The residual is compared with that corresponding to various well-known models derived mainly from explosion seismology. It is concluded that the residual is closely related to seismotectonic movements and the seismic activity as well. It is also found that the P-wave residual is abnormally negative on the convex side of the arcs and normal or slightly positive on the concave sides. A larger negative residual is observed on the convex side of the arc of which the seismic activity is higher than that of any other one. The P-wave velocity in the upper mantle under the Arabian shield is less than that of the J-B model, while it is higher than that of J-B in the upper mantle under Central Asia. The attenuation is low wherever the residual is negative.|P波の走時偏差の地域的な差異を調べた.このためにUSCGSとSovietによるデータを使った.この研究のために使った地震の震央は,どれも,次の事柄を満たしている.(1)震央は30以上の観測点でのP波の到達時刻によって決められている.(2)それらの観測点は,震央のまわりに,方位震央距離共に広く分布している.
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 48, 号 5, p. 729-748, 発行日 1970-12-05
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 453
主題Scheme NDC
出版者
出版者 東京大学地震研究所
出版者別名
Earthquake Research Institute, University of Tokyo
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