| Study on Evolution of Gravity Fieldand Earthquake Prediction in theNorth-south Seismic Belt and theEastern Qinghai-Xizang Block |
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| 作者姓名： | Zhu Yiqing Jiang Zaisen Chen Bing Li Hui Sun Shaoan Xiang Aiming |
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| 作者单位： | Zhu Yiqing，Jiang Zaisen and Chen Bing，Li Hui，Sun Shaoan，and Xiang AimingSecond Crustal Deformation Monitoring Center，CSB，Xi'an 710054，China Institute of Seismology，CSB，Wuhan 430071，China |
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| 基金项目： | the State Key Basic Research Project(G1998040703)and China Seismological Bureau under the “Ninth Five－year Plan”(95-03-01),China． |
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| 摘 要： | INTRODUCTIONVariation of9旧vlty held with time Is allnk between astronomymy,geodesyand$odynanucs．Withits deep－going study on geodynanucs,especially on modem crustal motion,plate movemenl andprediction of ealthquake,more and more attentions have been paid to the study of gravity time－vanatlon,as It bring many Information about Inner physics and mechanics of the earth．The north－south China seismic belt。d the eastern Qinghal－Xlzang。one dthe area with themost strong crustal。tlon,wi…
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Study on Evolution of Gravity Field and Earthquake Prediction in the North-south Seismic Belt and the Eastern Qinghai-Xizang Block |
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| Zhu Yiqing,Jiang Zaisen,Chen Bing,Li Hui,Sun Shaoan,Xiang Aiming.Study on Evolution of Gravity Fieldand Earthquake Prediction in theNorth-south Seismic Belt and theEastern Qinghai-Xizang Block[J].Earthquake Research in China,2001,15(3):266-281. |
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| Authors: | Zhu Yiqing Jiang Zaisen Chen Bing Li Hui Sun Shaoan and Xiang Aiming |
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| Institution: | Second Crustal Deformation Monitoring Center, CSB, Xi' an 710054, China Second Crustal Deformation Monitoring Center, CSB, Xi' an 710054, China Second Crustal Deformation Monitoring Center, CSB, Xi' an 710054, China Institute of Seismology, CSB, Wuhan 430071, China Institute of Seismology, CSB, Wuhan 430071, China Institute of Seismology, CSB, Wuhan 430071, China |
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| Abstract: | The relation between the dynamic evolution feature of gravity field and strong seismicity is studied. The result shows that the regional gravity field variation enjoys inhomogeneity of spatial and temporal distribution and gravity change in different regions. It may be resulted from active faults and seismogenic process, and may be due to microdynamic activity of regional strain energy, which might be accumulated or released in different stages, and there exists transformation process of stress. |
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| Keywords: | North-south China seismic belt Gravity field evolution Seismicity |
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