| 华北地区强震前地震活动的异常增强 |
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| 引用本文： | 吕晓健,刘蒲雄. 华北地区强震前地震活动的异常增强[J]. 地震, 2000, 20(3): 43-47 |
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| 作者姓名： | 吕晓健 刘蒲雄 |
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| 作者单位： | 中国地震局分析预报中心,北京 100036 |
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| 基金项目： | 中国地震局“九五”科研攻关项目!( 95-0 4 -0 1 -0 1 -0 1 ) |
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| 摘 要： | 利用应变释放曲线的加速上升作为异常增强的标志和地震预报的中期指标,对华北地区做应变释放曲线的空间扫描,并对此方法的预报效能进行了全面系统的检验。结果表明,该方法有较好的预报效果,文中就其有关问题进行了讨论,并给出其预报规则。
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| 关 键 词： | 地震活动增强 应变释放 地震预报 预报效能 |
| 收稿时间： | 1999-11-15 |
| 修稿时间： | 1999-12-16 |
Enhancement of seismicity before strong earthquake in North China |
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| LU Xiao-jian,LIU Pu-xiong. Enhancement of seismicity before strong earthquake in North China[J]. China Earthguake Engineering Journal, 2000, 20(3): 43-47 |
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| Authors: | LU Xiao-jian LIU Pu-xiong |
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| Affiliation: | Center for Analysis and Prediction, CSB, Beijing 100036, China |
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| Abstract: | Acceleration pattern of strain release curves is a sign of the enhancement of seismicity and mid-term earthquake prediction.In order to examine the efficiency of earthquake prediction based on this method,we conduct the space scanning of strain release curves by using the data of small earthquakes during 1970~1996in North China. The result shows the method has better efficiency of prediction.Some problems regarding the mid-term prediction are also discussed. |
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| Keywords: | Enhancement of seismicity Strain release Earthquake prediction Efficiency of prediction |
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