| 龙陵震区的重力变化与强余震活动 |
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| 引用本文： | 李天生,范文.龙陵震区的重力变化与强余震活动[J].西北地震学报,1991,13(4):49-53. |
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| 作者姓名： | 李天生 范文 |
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| 作者单位： | 国家地震局地球物理勘探大队
(李天生)，国家地震局地球物理勘探大队(范文) |
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| 摘 要： | 本文对1976年龙陵震区的重力复测资料进行了分析。结果表明,震区发生的几次强余震前,重力测值都出现了明显的增大→减小的变化过程,余震发生后,重力值恢复。本文还对重力变化特征进行了初步探讨。
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| 关 键 词： | 地震 重力 变化 余震 活动 观测 |
| 收稿时间： | 1990/6/21 0:00:00 |
GRAVITY VARIATIONS IN THE LONGLING EARTHQUAKE AREA AND STRONG AFTERSHOCK ACTIVITY |
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| Li Tiansheng and Fan Wen.GRAVITY VARIATIONS IN THE LONGLING EARTHQUAKE AREA AND STRONG AFTERSHOCK ACTIVITY[J].Northwestern Seismological Journal,1991,13(4):49-53. |
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| Authors: | Li Tiansheng and Fan Wen |
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| Institution: | Geophysical Prospecting Brigade, SSB, Zhengzhou, China and Geophysical Prospecting Brigade, SSB, Zhengzhou, China |
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| Abstract: | This paper analysed the data of repeated gravity measurements in 1976 Longling earthquake area.The result shows that before several strong aftershocks occurred in the earthquake area,the variation of gravity measurement appeared obvious process of increasing and then decreasing,and after aftershocks,the gravity value recovers.Finally,the features of the gravity variation are also discussed. |
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