書誌事項
- タイトル別名
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- Crustal Structure in the Northeastern Part of Shikoku, Japan as Derived from Seismic Observations of Sakaide-Itchu Explosions in 1980
- 1980ネン サカイデ イチウ バクハ ジシンドウ カンソク ニ ヨル シコク
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Explosion seismic experiments were carried out in 1980 for the investigation of the crustal structure in the northeastern part of Shikoku. Sixty-three seismograms were obtained at 42 temporary stations aligned on the two N-S trending parallel profiles crossing the Median Tectonic Line which is the most prominent geotectonic line and the greatest active fault in Japan. A P-wave velocity structure of the surface and granitic layers was obtained from the first arrival time data. A structure of the deeper part of the crust was also roughly estimated from the later arrivals. The Median Tectonic Line was estimated to be a north-depressed fault with a vertical offset of up to 2km in the shallow velocity profile. A possibility of the extension of the offset further downward to the deeper crust is also suggested.
収録刊行物
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- 地震 第2輯
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地震 第2輯 37 (2), 163-183, 1984
公益社団法人 日本地震学会
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詳細情報 詳細情報について
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- CRID
- 1390282679279833088
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- NII論文ID
- 130006783487
- 40001526244
- 10004680068
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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
- 2992176
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- データソース種別
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- JaLC
- NDL
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