| 河北易县台形变异常映震能力分析 |
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| 引用本文： | 赵慧琴,李均良,张跃刚,崔泽岩,王艳,张肖,王会芳. 河北易县台形变异常映震能力分析[J]. 地震工程学报, 2015, 37(S1): 91-94 |
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| 作者姓名： | 赵慧琴 李均良 张跃刚 崔泽岩 王艳 张肖 王会芳 |
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| 作者单位： | 河北省地震局易县地震台, 河北保定 074211,河北省地震局易县地震台, 河北保定 074211,河北省地震局, 河北石家庄 050021,河北省地震局保定中心台, 河北保定 071000,河北省地震局保定中心台, 河北保定 071000,河北省地震局易县地震台, 河北保定 074211,河北省地震局保定中心台, 河北保定 071000 |
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| 基金项目： | 河北省地震局监测、预测、科研三结合项目资助课题(2015-10-31-06) |
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| 摘 要： | 对河北易县台形变观测资料日均值和月均值在2次唐山地震前后的变化进行分析,发现该台多种观测手段在地震前记录到了显著异常,分析其共性和差异性,给出该台形变资料的异常特征和提取方法。
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| 关 键 词： | 易县地震台 形变观测 异常信息 映震能力 |
| 收稿时间： | 2015-03-15 |
Earthquake Reflection at the Yixian Seismic Station, Hebei Province Based on Deformation Anomalies |
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| ZHAO Hui-qin,LI Jun-liang,ZHANG Yue-gang,CUI Ze-yan,WANG Yan,ZHANG Xiao and WANG Hui-fang. Earthquake Reflection at the Yixian Seismic Station, Hebei Province Based on Deformation Anomalies[J]. China Earthguake Engineering Journal, 2015, 37(S1): 91-94 |
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| Authors: | ZHAO Hui-qin LI Jun-liang ZHANG Yue-gang CUI Ze-yan WANG Yan ZHANG Xiao WANG Hui-fang |
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| Affiliation: | Yixian Seismic Station, Earthquake Administration of Hebei Province, Baoding, Hebei 074211, China,Yixian Seismic Station, Earthquake Administration of Hebei Province, Baoding, Hebei 074211, China,Earthquake Administration of Hebei Province, Shijiazhuang, Hebei 050021, China,Baoding Central Seismic Station, Earthquake Administration of Hebei Province, Baoding, Hebei 071000, China,Baoding Central Seismic Station, Earthquake Administration of Hebei Province, Baoding, Hebei 071000, China,Yixian Seismic Station, Earthquake Administration of Hebei Province, Baoding, Hebei 074211, China and Baoding Central Seismic Station, Earthquake Administration of Hebei Province, Baoding, Hebei 071000, China |
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| Abstract: | Anomalies in the daily and monthly mean value curve of crustal deformation anomalies before the Tangshan M4.2 and M4.8 earthquakes in 2010 and 2012 were analyzed.This study examined the earthquake reflecting ability at the Yixian seismic station.Stress and strain sensitive points were identified around the focal region of the formation and evolution of the source.A relevant earthquake anomaly may have existed if several set of instruments or different components in the same observation all showed anomalies.The reliability of a group of anomalies was better than a single anomaly.The shape of anomalies may have differed in the same observation before different earthquakes.This difference must be detected in order to reasonably identify anomalies.Similarity among anomalies in the short and imminent stage dominates earthquake preparation. |
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| Keywords: | Yixian seismic station deformation observation anomalous information earthquake reflecting ability |
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