書誌事項
- タイトル別名
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- SEISMIC OBSERVATIONS IN AND AROUND OSAKA PLAIN USING SEISMOGRAPH SYSTEMS WITH WIDE DYNAMIC CHARACTERISTICS OVER BROAD FREQUENCY BAND (0.0017 TO 30 HZ)
- オオサカ ヘイヤ オヨビ ソノ シュウヘン チイキ ニ オケル コウシュウハス
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抄録
We started to observe seismic waves from small to large earthquakes at two ground sitesin the plain of Osaka and a rock site around the northern edge of the plain to elucidate andpredict vibrational characteristics for strong ground motion. From comparisons between theseismograms from earthquakes occurring in different source regions, we found that theseismic motions at the ground sites are characterized by strong excitation in the coda partsof S waves. This S-coda excitation shows the following characteristics: it is composed ofdispersive long-period (1 to 4 sec) wave motions; it becomes conspicuous about 10 to 20 seclate for the arrivals of the principal S-parts and is of long duration (for several tens ofseconds); it does not depend on directions of the wave arrivals; it is remarkable even at aepicentral distance where Rayleigh waves generating in the source region do not yet fullygrow.
収録刊行物
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- 京都大学防災研究所年報. B
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京都大学防災研究所年報. B 32 (B-1), 53-60, 1989-04-01
京都大学防災研究所
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詳細情報 詳細情報について
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- CRID
- 1050282677274822144
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- NII論文ID
- 120001178493
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- NII書誌ID
- AN00027784
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- ISSN
- 0386412X
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- HANDLE
- 2433/72172
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- NDL書誌ID
- 3649522
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles