地下水学会誌
Online ISSN : 2185-5943
Print ISSN : 0913-4182
東海地域における地下水中ラドン濃度変化と深発地震の関係
小鯛 桂一高橋 誠
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キーワード: 地震, ラドン, 東海地域
ジャーナル フリー

1992 年 34 巻 4 号 p. 253-262

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In order to study hydrogeologically the earthquake prediction at Tokai district in Central Japan, concentration of groundwater radon was measured as the counting rate by an α -ray detecting method at Daito, Fukuroi, and Fujieda observation stations.
Although radon counting-rate seems to change under the influence of tectonic stress related to the earthquake occurrence, configuration of the changes of radon counting-rate at each the station has variety because of different hydrogeological condition such as confined or unconfined aquifer and Tertiary or Quaternary aquifer.
The changes of radon counting-rate at Daito observation station have much particular connection with the earthquakes deeper than 140 km which occur from the subduction of Ocean plate.

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