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タイトル: 21. 有珠火山の地殼變動に就て
その他のタイトル: 21. On the Land-upheaval near the Crater of Volcano Usu at ifs Eruption in 1944
著者: 增田, 秀夫
著者(別言語): Masuda, Hideo
発行日: 1948年6月30日
出版者: 東京大学地震研究所
掲載誌情報: 東京大學地震研究所彙報. 第24冊第1/4号, 1948.6.30, pp.239-243
抄録: A number of the earthquakes and upheaval of the earth's crust accompany with the eruption. Then the writer supposed that upheaval of the earth's crust, the earthquakes and the eruption are due to a certain activity in the earth's crust. At first, the earth's crust would be strained or upheaved ; and then the earthquake and the eruption break out when the earth's crust can not bear the stress which cause the upheaval. On the cccasion of the eruption of Volcano Usu, Hokkaido in June 23rd, 1944, the place of the greatest upheaval was on the epicenter of earthequrkes at the time, and the potential energy of the upheaval and the elastic energy contained in the crust calculated by the writer and the energy of the eruption estimated by Dr. MINAKAMI from the quantity of the ejecta are equal in the crder of 10^<19> erg. The results may ascertain the above assumption.
URI: http://hdl.handle.net/2261/10647
ISSN: 00408972


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