| 2013年吉林松原M5.8地震震前地磁异常分析 |
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| 引用本文： | 岳力,贾秀玲,张彦吉,王海涛,胡澜缤.2013年吉林松原M5.8地震震前地磁异常分析[J].防灾减灾学报,2019,35(1):26-29. |
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| 作者姓名： | 岳力 贾秀玲 张彦吉 王海涛 胡澜缤 |
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| 作者单位： | 通河地震台,黑龙江 哈尔滨,150900;通河地震台,黑龙江 哈尔滨,150900;通河地震台,黑龙江 哈尔滨,150900;通河地震台,黑龙江 哈尔滨,150900;通河地震台,黑龙江 哈尔滨,150900 |
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| 摘 要： | 应用东北地区地磁观测台站地磁总场强度整点值观测数据,利用每日一值相关法和差值法;应用地磁垂直分量日变幅观测数据,利用加卸载响应比和逐日比方法,分析地磁总场强度F分量、垂直Z分量与吉林省松原M5.8地震应震关系,分析上述方法对提取地磁观测数据震前异常信息的有效性。
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| 关 键 词： | 相关法 差值法 逐日比 加卸载响应比 震前异常 |
Analysis of Geomagnetic Anomalies Before M5.8 Earthquake in Songyuan,Jilin Province in 2013 |
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| YUE Li,JIA Xiu-ling,ZHANG Yan-ji,WANG Hai-tao,HU Lan-bin.Analysis of Geomagnetic Anomalies Before M5.8 Earthquake in Songyuan,Jilin Province in 2013[J].Seismological Research of Northeast China,2019,35(1):26-29. |
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| Authors: | YUE Li JIA Xiu-ling ZHANG Yan-ji WANG Hai-tao HU Lan-bin |
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| Institution: | (Tonghe Seismic Station,Heilongjiang Harbin 150900,China) |
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| Abstract: | Using the observation data of the total intensity of the geomagnetic field in the Northeast China's geomagnetic observatory,the daily correlation method and the difference method are used.Using the diurnal variation of the geomagnetic vertical component,the relationship between the F component of the magnetic field intensity,the vertical Z component and the M5.8 earthquake in Songyuan,Jilin Province,is analyzed by the method of loading and unloading response ratio and day by day ratio.The validity of the above method for extracting anomalous information before geomagnetic observation data is analyzed. |
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| Keywords: | correlation method difference method ratio of daily variation application of geomagnetic load/unload seismic anomaly |
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