Geochemical challenge to earthquake prediction

Hiroshi Wakita

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Geochemical challenge to earthquake prediction

机译：地球化学对地震预报的挑战

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The current status of geochemical and groundwater observations for earthquake prediction in Japan is described. The development of the observations is discussed in relation to the progress of the earthquake prediction program in Japan. Three major findings obtained from our recent studies are outlined. (i) Long-term radon observation data over 18 years at the SKE (Suikoen) well indicate that the anomalous radon change before the 1978 Izu-Oshima-kinkai earthquake can with high probability be attributed to pre- cursory changes. (ii) It is proposed that certain sensitive wells exist which have the potential to detect precursory changes. (iii) The appearance and nonappearance of coseismic radon drops at the KSM (Kashima) well reflect changes in the regional stress state of an observation area.

机译：描述了日本地震预报的地球化学和地下水观测的现状。结合日本地震预报计划的进展，讨论了观测结果的发展。概述了我们最近的研究获得的三个主要发现。（i）SKE（Suikoen）的18年长期ra观测数据表明，1978年伊豆大岛近海地震之前的ra异常变化很可能归因于前期变化。（ii）建议存在某些敏感井，这些井有可能检测前兆变化。（iii）KSM（鹿岛）同震ra滴的出现和不出现很好地反映了观察区区域应力状态的变化。

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《Proceedings of the National Academy of Sciences of the United States of America》 |1996年第9期|p.3781-3786|共6页
作者
Hiroshi Wakita;
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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类自然科学总论;
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7. Geochemical challenge to earthquake prediction. [O] . Wakita, H 1996

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Geochemical challenge to earthquake prediction

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