| Study of the Gravity Changes before and after the Jingtai Ms 5.9 Earthquake |
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| 作者姓名： | Zhu Yiqing Chen Bing Zhang Xi Zhang Sixin |
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| 作者单位： | The Second Crustal Deformation Monitoring Centre, CSB, Xi’an 710054, China;The Second Crustal Deformation Monitoring Centre, CSB, Xi’an 710054, China;The Second Crustal Deformation Monitoring Centre, CSB, Xi’an 710054, China;The Second Crustal Deformation Monitoring Centre, CSB, Xi’an 710054, China |
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| 基金项目： | theJointSeismologicalScienceFounda tion (10 1118)and“Three in OneCombination”specialfundofChinaSeismologicalBureau |
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| 摘 要： | By systematically analyzing the data of gravity reiteration in the Hexi region and taking a dynamic viewpoint.we have studied the evolution characters of gravity field during the preparation-occurrence of the Jingtai Ms5.9 earthquake of June 6,2000,The patterns of dynamic change of the gravity field clearly reflected how the gravity field evolved from the quasi-homogeneous state to non-homogeneous state for earthquake preparation and then the earthquake occurred.Besides,we have also studied the relation between the characteristic gravity change and strong earthquake activity.
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| 关 键 词： | 重力异常 地震前兆 地震预报 河西走廊 地震活动性 |
Study of the Gravity Changes before and after the Jingtai M_S5.9 Earthquake |
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| Zhu Yiqing,Chen Bing,Zhang Xi,Zhang Sixin.Study of the Gravity Changes before and after the Jingtai Ms 5.9 Earthquake[J].Earthquake Research in China,2002,16(2):127-137. |
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| Authors: | Zhu Yiqing Chen Bing Zhang Xi and Zhang Sixin |
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| Abstract: | By systematically analyzing the data of gravity reiteration in the Hexi region and taking a dynamic viewpoint, we have studied the evolution characters of gravity field during the preparation-occurrence of the Jingtai M S5.9 earthquake of June 6, 2000. The patterns of dynamic change of the gravity field clearly reflected how the gravity field evolved from the quasi-homogeneous state to non-homogeneous state for earthquake preparation and then the earthquake occurred. Besides, we have also studied the relation between the characteristic gravity change and strong earthquake activity. |
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| Keywords: | Gravity field evolution Jingtai earthquake Earthquake prediction Characteristic gravity change |
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