| 印尼8.7级地震前后土桥台电磁场短临异常特征分析 |
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| 引用本文： | 乔子云,米雪梅,解用明. 印尼8.7级地震前后土桥台电磁场短临异常特征分析[J]. 高原地震, 2006, 18(3): 8-11 |
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| 作者姓名： | 乔子云 米雪梅 解用明 |
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| 作者单位： | 河北省地震局,河北,石家庄,050021;河北省地震局,河北,石家庄,050021;河北省地震局,河北,石家庄,050021 |
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| 摘 要： | 利用地震前兆观测资料分析方法中比较常用的平滑滤波法,对后土桥地震台电磁场数字化观测资料的分钟值进行处理,发现在印尼8.7级地震前出现了一些短临异常情况,而且地电场和地磁场出现同步脉动变化,并对异常的变化特征做了相应的分析。
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| 关 键 词： | 印尼8.7级地震 电磁场 数字化 脉动 短临异常 |
| 文章编号： | 1005-586X（2006）03-0008-04 |
| 收稿时间： | 2006-02-27 |
| 修稿时间： | 2006-02-27 |
ANALYSIS ON SHORT-IMPENDING ANOMALOUS CHARACTERISTICS OF ELECTROMAGNETIC FIELD BY HOUTUQIAO STATION BEFORE INDONESIA Ms 8.7 EARTHQUAKE |
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| QIAO Zi-yun,MI Xue-mei,XIE Yong-ming. ANALYSIS ON SHORT-IMPENDING ANOMALOUS CHARACTERISTICS OF ELECTROMAGNETIC FIELD BY HOUTUQIAO STATION BEFORE INDONESIA Ms 8.7 EARTHQUAKE[J]. Plateau Earthquake Research, 2006, 18(3): 8-11 |
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| Authors: | QIAO Zi-yun MI Xue-mei XIE Yong-ming |
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| Affiliation: | Earthquake Administration of Hebei Province, Shijiazhuang 050021, China |
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| Abstract: | Minute values of electromagnetic field abservational data by Houtuqiao seismostation are analyzed by the method of smooth filter in earthquake precursory data analysis,and the result shows that there are some short-impending anomalies before Indonesia earthquake with Ms 8.7,and the geoelectric field and geomagnetic field appear the synchronized pulsation change,this paper has made the corresponding analysis to the unusual change characteristic. |
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| Keywords: | Indonesia earthquake with Ms 8.7 Electromagnetic field Digitalization Pulsation Short-impending anomaly |
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