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タイトル: 24.仙臺大年寺山の山崩
その他のタイトル: 24.Landslide in Dainenzi Hill, Ssndai.
著者: 田山, 利三郎
著者(別言語): Tayama, Risaburo
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.271-284
抄録: On October 27, 1935, a landslide, uncommon in this district, took place at a valley-head of the eastern slope of Dainenzi Hill, south of Sendai. A block of earth about 90m long and 20m wide sank at the valley head to the maximum depth of 9m, and another block in front of it, 90m by 100m, moved forward about 1m. The following items may be taken into consideration as suggestive to the probable cause of this landslide. (1) Meteorological condition. We had an exceptionally heavy precipitation during September, 1935, and, 85.7mm rainfall, on the day the landslide took place. (2) Geological condition. The upper layer of the ground of this district consists of pervious rocks, sand and gravel, and beneath there is a layer of impervious sandy shale with a dip of 10 degrees to the east. (3) Tectonic condition. This district rests on the so called "Miyagino Flexure" which seems to be still active.
URI: http://hdl.handle.net/2261/10264
ISSN: 00408972


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