| 北京大海坨4.9级地震前白家疃井地热地形变前兆异常 |
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| 引用本文： | 胡敦宽 朱虎. 北京大海坨4.9级地震前白家疃井地热地形变前兆异常[J]. 地震地磁观测与研究, 1993, 14(6): 22-27 |
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| 作者姓名： | 胡敦宽 朱虎 |
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| 作者单位： | 北京地震基准台，北京地震基准台，北京地震基准台 |
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| 摘 要： | 北京大海坨ＭＬ＝４．９地震前，白家疃地热，地形变两种观测项目，同时观测记录到明显的异常变化，具有短期和短促，突发的临震异常特点，采取针对性的分析方法，结果较好，为单台项（前兆方法）综合预报提供了震兆观测实例。
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| 关 键 词： | 地热 地形变 地震观测 |
Precursory anomalies of geotherm and crust deformation for dahaituo earthquake |
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| Hu Dunkuan,Zhu Hu and Li Shufang. Precursory anomalies of geotherm and crust deformation for dahaituo earthquake[J]. Seismological and Geomagnetic Observation and Research, 1993, 14(6): 22-27 |
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| Authors: | Hu Dunkuan Zhu Hu Li Shufang |
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| Abstract: | Obvious anomalies of geotherm and crust deformation were recorded at observatory Baijiatuan before the occurence of Dahaituo earthquake with magnitude M_L=4.9. The forthcoming earthquake anomalies have the characteristic of short period and suddenness. The detail analysis using corresponding method gives an example of earthquake precursor observation for comprehensive foreasting of single station. |
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| Keywords: | geotherm crust deformation geothermal range method of the difference |
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