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タイトル: | γ-線の測定 -花折断層- |
その他のタイトル: | A γ-RAY SURVEY ALONG HANAORE FAULT |
著者: | 見野, 和夫 |
著者名の別形: | MINO, Kazuo |
発行日: | 1-Apr-1978 |
出版者: | 京都大学防災研究所 |
誌名: | 京都大学防災研究所年報. B |
巻: | 21 |
号: | B-1 |
開始ページ: | 69 |
終了ページ: | 77 |
抄録: | The γ-ray survey was carried out by a scintillation survey meter at O-hara area near aroundHanaore Fault Zone in the northern part of Kyoto. The survey was done several times over alongthe same observational line. Static pattern of γ-ray intensity is revealed similar one in each other, even there is small difference.Strong intensity of γ-ray means subsistance of crushed rocks zone and a huge fault as Hanaoreconsists of the structure made by these weak zones. A pretty large earthquake among micro-earthquakes was occurred, fortunately for us, during survey period. The γ-ray survey was donejust on January 6, 1978 when it was just one day before the earthquake.The observational results before the earthquake, did not give large variations of γ-ray in-tensity. But after 5 days from the earthquake, that is January 11, the intensity of γ-ray decreasesinto low value, over observational error, at almost all stations. The improvement of γ-ray wasfound after 2 weeks from the earthquake.Ordinarily the large fault as Hanaore is one of boundaries around block of crust, and faultzone is more sensitive to geophysical activity in the crust.Continuous observation of γ-ray will give the solution to corelation with earthquake or earth-quake prediction. |
URI: | http://hdl.handle.net/2433/70203 |
関連リンク: | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html |
出現コレクション: | No.21 B-1 |
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