| Tracing Subsurface Fluid Anomalies Before Zhangbei-Shangyi Earthquake and Prediction of the Earthquake |
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| 作者姓名： | Che Yongtai Wang Jihua Lin Yuanwu Zhu Qingzhong and Zhang PeirenInstitute of Geology CSB Beijing China |
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| 作者单位： | Che Yongtai，Wang Jihua，Lin Yuanwu，Zhu Qingzhong，and Zhang PeirenInstitute of Geology，CSB，Beijing 100029，China |
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| 摘 要： | High-value subsurface fluid anomalies appeared in the northern part of North China region for more than two years before the Zhangbei-Shangyi earthquake. Some of the anomalies have appeared alternately and were correlated with moderate and moderately strong earthquakes in the region during the last year (1997). Typical short-term subsurface fluid anomalies have appeared in the area at 100 km ~ 200 km distance from the epicenter for two months before an earthquake. Tracing these anomalies during the last two years and repeatedly improving the knowledge of seismic regime, we have more successfully performed short-term and imminent earthquake prediction at half a month before its occurrence.
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Tracing Subsurface Fluid Anomalies Before Zhangbei-Shangyi Earthquake and Prediction of the Earthquake |
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| Che Yongtai,Wang Jihua,Lin Yuanwu,Zhu Qingzhong,and Zhang PeirenInstitute of Geology,CSB,Beijing ,China.Tracing Subsurface Fluid Anomalies Before Zhangbei-Shangyi Earthquake and Prediction of the Earthquake[J].Earthquake Research in China,1998(4). |
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| Authors: | Che Yongtai Wang Jihua Lin Yuanwu Zhu Qingzhong and Zhang PeirenInstitute of Geology CSB Beijing China |
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| Institution: | Che Yongtai,Wang Jihua,Lin Yuanwu,Zhu Qingzhong,and Zhang PeirenInstitute of Geology,CSB,Beijing 100029,China |
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| Abstract: | High-value subsurface fluid anomalies appeared in the northern part of North China region for more than two years before the Zhangbei-Shangyi earthquake. Some of the anomalies have appeared alternately and were correlated with moderate and moderately strong earthquakes in the region during the last year (1997). Typical short-term subsurface fluid anomalies have appeared in the area at 100 km ~ 200 km distance from the epicenter for two months before an earthquake. Tracing these anomalies during the last two years and repeatedly improving the knowledge of seismic regime, we have more successfully performed short-term and imminent earthquake prediction at half a month before its occurrence. |
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| Keywords: | Earthquake prediction Subsurface fluid anomaly Zhangbei-Shangyi earthquake |
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