| 地震非均匀度在华北地震中短期预报中的应用 |
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| 引用本文： | 王炜,宋先月,王峥峥.地震非均匀度在华北地震中短期预报中的应用[J].西北地震学报,2001,23(4):339-345. |
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| 作者姓名： | 王炜 宋先月 王峥峥 |
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| 作者单位： | 1. 上海市地震局,
2. 江苏省地震局, |
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| 基金项目： | 中国地震局96-913-09课题. |
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| 摘 要： | 利用空间扫描方法研究了华北地区中强以上地震前地震非均匀度GL值的中短期异常变化特征，结果表明在中强地震前1年左右，未来震中周围的GL值中期异常区通常出现明显的收缩或消失，一些地震临震前数月还再次出现GL值异常区，讨论了使用GL值进行地震中短期预报的有关问题。
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| 关 键 词： | 华北地区 地震非均匀度 异常特征 中短期预报 空间扫描方法 |
| 文章编号： | 1000-0244(2001)04-0339-07 |
| 收稿时间： | 2000/11/24 0:00:00 |
| 修稿时间： | 2000年11月24 |
SEISMIC INHOMOGENEOUS DEGREE AND ITS APPLICATION TO MID-SHORT TERM EARTHQUAKE PREDICTION IN NORTH CHINA |
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| WANG Wei,SONG Xian-yue and WANG Zheng-zheng.SEISMIC INHOMOGENEOUS DEGREE AND ITS APPLICATION TO MID-SHORT TERM EARTHQUAKE PREDICTION IN NORTH CHINA[J].Northwestern Seismological Journal,2001,23(4):339-345. |
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| Authors: | WANG Wei SONG Xian-yue and WANG Zheng-zheng |
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| Institution: | WANG Wei 1,SONG Xian yue 1,WANG Zheng zheng 2 |
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| Abstract: | The seismicity data of moderate or small earthquakes in North China are used to space scanning of seismic inhomogeneous degree GL-value.Characteristics of mid-short term anomalous changes of the value before mid-strong earthquakes in the region are studied.The result shows that the mid-term anomalous area of the GL -value obviously contracts or disappears in mid-short term of about 1 year before moderate or strong earthquakes in generally.The anomalous area appears again in several months before some earthquakes.Some problems about mid-short term prediction by using the GL-value are also discussed. |
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| Keywords: | North China Seismic inhomogeneous degree Anomalous character Mid short term prediction of earthquake |
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