A remarkable strain step was recorded by the strainmeter at the Inuyama Crustral Movement Observatory which is located at a distance of about 48km from the epicenter of the Gifu earthquake of September 9, 1989, with the magnitude of 6.6. At the same time a rapid increase of discharged water in the observational gallery was also observed. These phenomena were also observed at the time of the off Nemuro (Hokkaido) earthquake of August 12, 1969, with the magnitude of 7.8. In the case of the off Nemuro earthquake the epicentral distance was about 1200 km. These strain steps and the abnormal increase of discharged water at the time of earthquakes were taken into consideration for the analysis of the crustal deformation accompanied by earthquakes and principal strains obtained from the calculations are listed in Tables 1 and 2, respectively.
雑誌名
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo
巻
48
号
6
ページ
1241 - 1249
発行年
1971-02-27
ISSN
00408972
書誌レコードID
AN00162258
フォーマット
application/pdf
日本十進分類法
453
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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71.犬山で観測された岐阜県中部地震-1969年9月9日-に伴う地殻歪に関する二,三の考察
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