[1]ZHANG Jian-guo,LIU Xiao-can,TANG Ting-mei,et al.Research on Dynamic Evolution Characteristics of Geomagnetic Field in Chinese Mainland before and after Wenchuan MS8.0 Earthquake[J].Journal of Seismological Research,2009,32(03):231-234.
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Journal of Seismological Research[ISSN 1000-0666/CN 53-1062/P] Volume:
32
Number of periods:
2009 03
Page number:
231-234
Column:
Public date:
2009-03-23
- Title:
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Research on Dynamic Evolution Characteristics of Geomagnetic Field in Chinese Mainland before and after Wenchuan MS8.0 Earthquake
- Author(s):
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ZHANG Jian-guo1; 2; LIU Xiao-can3; TANG Ting-mei4; MA Jun-zhao5
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(1.College of Geoexploration Science and Technology,Jilin University,Changchun 130026,Jilin,China)(2.Handan central seismic station,Earthquake Administration of Hebei Province,Handan 056006,Hebei,China)(3.Institute of Geophysics,CEA,Beijing 100081,China)(4.Earthquake Administration of Shandong Province,Jinan 250014,Shandong,China)(5.Earthquake Administration of Tianjin Municipality,Tianjin 300201,China)
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- Keywords:
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Wenchuan earthquake; geomagnetic field; dynamic evolvement characteristics; anomalous field
- CLC:
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P315.72+1
- DOI:
-
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- Abstract:
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On the basis of the mid-night mean value from China Geomagnetic Observation Network,we establish the dynamic model of geomagnetic field variation by parallel computing technology.Then we study the characteristics of the dynamic geomagnetic variation of anomalous field before and after the Wenchuan MS8.0 earthquake on May 12,2008 in Chinese mainland.The result shows that the geomagnetic anomalous field changes significantly in different stages.This may reflect the earthquake-preparation characteristics in different stages.