GROUNDWATER RADON ANOMALY BEFORE THE KOBE EARTHQUAKE IN JAPAN

被引:363
作者
IGARASHI, G
SAEKI, S
TAKAHATA, N
SUMIKAWA, K
TASAKA, S
SASAKI, Y
TAKAHASHI, M
SANO, Y
机构
[1] SUMIKAWA HYDROL INST, NISHINOMIYA, HYOGO 662, JAPAN
[2] GIFU UNIV, FAC EDUC, GIFU 50111, JAPAN
[3] GEOL SURVEY JAPAN, TSUKUBA, IBARAKI 305, JAPAN
关键词
D O I
10.1126/science.269.5220.60
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Radon concentration in ground water increased for several months before the 1995 southern Hyogo Prefecture (Kobe) earthquake on 17 January 1995, From late October 1994, the beginning of the observation, to the end of December 1994, radon concentration increased about fourfold. On 8 January, 9 days before the earthquake, the radon concentration reached a peak of more than 10 times that at the beginning of the observation, before starting to decrease. These radon changes are likely to be precursory phenomena of the disastrous earthquake.
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收藏
页码:60 / 61
页数:2
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