| 中强地震前天祝电磁波信息变化的初步研究 |
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| 引用本文： | 牛继荣,张富芳,王玉华,张环.中强地震前天祝电磁波信息变化的初步研究[J].西北地震学报,2003,25(3):286-288. |
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| 作者姓名： | 牛继荣 张富芳 王玉华 张环 |
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| 作者单位： | 甘肃省天祝藏族自治县地震局,甘肃,天祝,733200 |
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| 摘 要： | 分析了天祝电磁波观测资料在5次MS>4.0地震前的异常特征.结果表明一般地震前20天以内出现趋势异常变化,前兆表现为日均值由一位数突然上升到4位数以上.
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| 关 键 词： | 电磁波 异常 天祝 |
| 文章编号： | 1000-0844(2003)03-0286-03 |
| 收稿时间： | 2002/10/17 0:00:00 |
| 修稿时间： | 2002年10月17 |
PRELIMINARY STUDY ON INFORMATION CHANGE OF ELECTROMAGNETIC WAVE IN TIANZHU STATION BEFORE MEDIUM-STRONG EARTHQUAKES |
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| NIU Ji-rong,ZHANG Fu-fang,WANG Yu-hua and ZHANG Huan.PRELIMINARY STUDY ON INFORMATION CHANGE OF ELECTROMAGNETIC WAVE IN TIANZHU STATION BEFORE MEDIUM-STRONG EARTHQUAKES[J].Northwestern Seismological Journal,2003,25(3):286-288. |
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| Authors: | NIU Ji-rong ZHANG Fu-fang WANG Yu-hua and ZHANG Huan |
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| Institution: | Seismological Bureau of Tianzhu County, Gansu Tianzhu 733200, China,Seismological Bureau of Tianzhu County, Gansu Tianzhu 733200, China,Seismological Bureau of Tianzhu County, Gansu Tianzhu 733200, China and Seismological Bureau of Tianzhu County, Gansu Tianzhu 733200, China |
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| Abstract: | The anomaly features in electromagnetic wave data of Tianzhu station before five MS >4. 0 earthquakes are analyzed. The result shows that the trend anomaly appears from on to 20 days before medium-strong earthquake, and its expression is, daily value rising suddenly from one-digit number to four-digit number. |
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| Keywords: | Electromagnetic wave Anomaly Tianzhu |
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