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タイトル: 28.昭和11年2月21日河内,大和強震被害の地質及地形的考察
その他のタイトル: 28.Geological and Topographical Investigation of the Earthquake Damages on the Boundary between Osaka and Nara Prefecture on the 21st of February, 1936.
著者: 齋田, 時太郎
著者(別言語): Saita, Tokitaro
発行日: 1936年6月5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14冊第2号, 1936.6.5, pp.307-317
抄録: この地震は昭和11年2月21日午前10時8分頃起つたもので,被害程度よりすれば強震と言ふべき局部性地震であった.共の被害の比較的著しく現はれたところは,大阪府と奈良縣との境界附近の大和川の本支兩流域及兩府縣界をなす葛城山脈中の二上山麓であつた.筆者は地震直後數日に亙り被害各地を調査した。しかし被害輕微なりし故,復舊速かにして建物,墓石,燈籠等の震害の實相を見るのに不便な場合もあつた.これより各地め被害情況を述ベ,更に被害と地質及地形との關係について,若干の考察を下して見たい.
A strong earthquake shock was felt on the boundary between Osaka and Nara prefecture at 10h 8m, on the 21st of February, Railway, telephone and other communication services were crippled for a time, while many buildings were damaged and a number of landslips reported, There were also same who were crushed to death under landslips and collapsed heavy walls. In this paper the writer remarked the following two interesting matters: (i) Damages to building are divided into two kinds, namely: in hard ground, heavy buildings were collapsed seriously, while in soft ground, old or loose buildings damaged, These facts already were pointed out by this writer in the great Kwanto earthquake, 1923, in the earthquake of north Musasi, 1931, and in the several earthquakes of Taiwan(Formosa), (ii) The topography in the district injured by this earthquake are simple and symmetrical, There are strictly contrast of the earthquake damages in orthogonal directions through the epicentre. From above these affairs, the writer proposed that the contrast of damages suggest the line of discharge of earthquake energy, especially in the such case of shallow hypocentre and of monotonous disturbances as this earthquake.
URI: http://hdl.handle.net/2261/10268
ISSN: 00408972


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