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タイトル: 27.昭和11年2月21日河内大和強震に偏する調査報告
その他のタイトル: 27.Some Phenomena associated with the Kawati-Yamaio Earthquake of Feb. 21, 1936.
著者: 宮部, 直巳
著者(別言語): Miyabe, Naomi
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.297-306
抄録: 昭和11年2月21日,大阪府と奈良縣との境界上の二上山附近に震央を有する強震が起つて,大阪,奈良の兩府縣下に幾分かの被害を與へた。この地震に伴つて氣付かれた2~3の現象に就いて,踏査,及び各地に問合せて得た所の囘答によつて調査した結果を述べたい.この地震に限らず多くの場合地震に伴つて認められる現象であるけれどもこの地震に於いても(1)地震に伴つた音響(2)井水位の變化(3)發光現象等が認められてゐる.以下是等の項目に就いて梢々詳細に叙述したいと思ふ.
A strong earthquake occurred on Feb. 21, 1936, the epicentre of which is located in the neighbourhood of Mt. Hutagami, situated on the boundary of the prefectures of Osaka and Nara. In association with this earthquake, various phenomena were noticed, among which those described in the present report are somewhat remarkable. (i) Earthsounds were heard in many places in the prefectures of Osaka, Nara, Kyoto and Hyogo. It may be noticeable that the directions of the propagation of the earthsound felt at respective places were not always from the epicentre, but, in most cases, it was felt as had been propagated from the nearest mountain. (ii) In several places in the neighbourhood of the epicentre, the level of the underground water was elevated, while, in several other places, it was found to have been depressed, as shown by the changes in level of the water of the shallow wells. It was also noticed that, in some fields, considerable amount of clayey sands was emitted from 1~2m below the surface, as shown in the photographs, which may probably be connected with the change in the depth of the level of the underground water. (iii) Lights were also observed by several peoples as have been accompanying the earthquake. But, in the case of this earthquake, it may be a question that the appearance of the light was really related to the occurrence of the earthquake.
URI: http://hdl.handle.net/2261/10267
ISSN: 00408972
出現カテゴリ:東京大学地震研究所彙報
東京大学地震研究所彙報

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