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タイトル: 14. 油壼,細島,輪島,忍路に於ける海水面變化に就いて
その他のタイトル: 14. On the Changes in the Heights of the Monthly Mean Sea-level at Aburatubo, Hosozima, Wazima, and Osyoro
著者: 山口, 生知
著者(別言語): Yamaguti, Seiti
発行日: 1944年8月15日
出版者: 東京帝国大学地震研究所
掲載誌情報: 東京帝国大学地震研究所彙報. 第21冊第3/4号, 1944.8.15, pp.349-353
抄録: The investigation on the change in the heights of the monthly mean sea-level at Aburatubo and Hosozima was made, and the results are already reported in my recent papers. The present study was made with the object of discussing the proceeding change in the heights of the mean sea-level after the epoch of the last study. For the sake of comparison, we also studied on the change of the mean sea-levels at Wazima, Noto Province, and at Osyoro in Hokkaido, both being situated on the Japan Sea coast, with the similar method of investigation as before. The results are followings : a) At Aburatubo and Hosozima, a downward displacement of the earth's crust is continued from the Great Earthquake of Sept. 1, 1923, until the end of 1941, showing some small vertical oscillatory motions. b) At Wazima and Osyoro, neither conspicuous downward nor upward displacement of the earth's crust is seen recently. c) At Wazima, a question was thrown that the datum line, to which the sea-level is refered,might has moved on the occasion of the Great Tango Earthquake of March 7, 1927, but it was not the fact and the conspicuous vertical oscillatory motions of the earth's crust may be actually observed from the curves as shown in Fig.1 and 2. d) Mean sea-level curves on the Pacific coast and on the Japan Sea coast have the tendency of showing some change of opposite phases, the reason of which is not yet known, a study on that point may be worth following up.
URI: http://hdl.handle.net/2261/10598
ISSN: 00408972


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