| 北祁连地区震前重力场变化特征 |
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| 引用本文： | 祝意青.北祁连地区震前重力场变化特征[J].大地测量与地球动力学,1996(2). |
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| 作者姓名： | 祝意青 |
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| 作者单位： | 国家地震局第二地形变监测中心 |
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| 摘 要： | 分析讨论了１９９１年１月２日和１９９２年１月１２日两次中强地震前重力异常变化及其与地震的对应关系，指出这两次地震都发生在重力变化高梯度带附近。
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| 关 键 词： | 重力异常，梯度，北祁连地区 |
CHARACTERSTICS OF GRAVITY FIELD CHANGE BEFORE EARTHQUAKE IN THE NORTH QILIAN AREA |
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| Zhu Yiqing.CHARACTERSTICS OF GRAVITY FIELD CHANGE BEFORE EARTHQUAKE IN THE NORTH QILIAN AREA[J].Journal of Geodesy and Geodynamics,1996(2). |
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| Authors: | Zhu Yiqing |
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| Abstract: | The anomalous variations of the gravimetric values before both Qilian(Ms=5.1, 1991) and Jiayuguan(Ms=5.4,1992) earthquakes are discussed in detail.It is indicated that both of the earthquakes occured in the high gradient zone of gravity change. |
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| Keywords: | gravity anomaly gradient North Qilian area |
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