| 1978年5月18日海城6级地震前兆及区域地震活动特征 |
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| 引用本文： | 强祖基,付征祥,李梦聪,韩大宇,杨玉荣.1978年5月18日海城6级地震前兆及区域地震活动特征[J].西北地震学报,1982,4(3):19-24. |
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| 作者姓名： | 强祖基 付征祥 李梦聪 韩大宇 杨玉荣 |
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| 作者单位： | 国家地震局分析预报中心
(强祖基，付征祥，李梦聪，韩大宇)，国家地震局分析预报中心(杨玉荣) |
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| 摘 要： | 1978年5月18日海城6级强震发生在1975年2月4日海城7.3级大震的余震区内。和7.3级大震相比较,在6级地震前,也观测到地壳形变,重力和区域地震活动等中期异常变化。但是,临震异常现象少,没有记录到前震活动。
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| 收稿时间： | 1981/3/5 0:00:00 |
PRECURSORS AND REGIONAL SEISMICITY BEFORE THE HAICHENG EARTHQUAKE OF MAGNITUDE 6.0(MAY.18,1978) |
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| Qiang Zu-ji,Fu Zheng-xiang,Li-Meng-cong,Han Da-yu and Yang Yu-rong.PRECURSORS AND REGIONAL SEISMICITY BEFORE THE HAICHENG EARTHQUAKE OF MAGNITUDE 6.0(MAY.18,1978)[J].Northwestern Seismological Journal,1982,4(3):19-24. |
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| Authors: | Qiang Zu-ji Fu Zheng-xiang Li-Meng-cong Han Da-yu and Yang Yu-rong |
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| Institution: | Centre for Analysis and Prediction State Seismological Bureau,Centre for Analysis and Prediction State Seismological Bureau,Centre for Analysis and Prediction State Seismological Bureau,Centre for Analysis and Prediction State Seismological Bureau and Centre for Analysis and Prediction State Seismological Bureau |
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| Abstract: | The Haicheng earthquake of magnitude 6.0(May.18,1978) took place in the aftershock region of the great earthquake (Feb.4,1975,Ms=7.3).In comparison with the anomalous changes before the great earthquake,the middle-term anomalous change in crustal deformation,gravity and region-al seismicity were observed,but there was a litter shor-term anomaly and no foreshock before the occurrence of Haicheng earthquake of 6.0. |
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