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Plumb line variation at Tangshan during 1987–1998 and its relation with the earthquakes around

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Abstract

Plumb line variations (PLV) at Tangshan during the years of 1987–1998 are determined by using the 46 batch repeated gravity observations of the Beijing-Tangshan network. It has been found that PLV at Tangshan are related with the 38 earthquakes in this period. It appears that the time of an earthquake around Tangshan is usually quite the same when PLV at Tangshan begins moving in opposite direction.

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Authors and Affiliations

  1. Shanghai Observatory, Chinese Academy of Sciences, Shanghai, 200030, China

    ZhengXin Li

  2. Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuchang, 430077, China

    ZhengXin Li

  3. Institute of Seismology, China Earthquake Administration, Wuchang, 430071, China

    Hui Li

Authors
  1. ZhengXin Li
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  2. Hui Li
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Correspondence to ZhengXin Li.

Additional information

Supported by the National Natural Science Foundation of China (Grant No. 10633030)

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Li, Z., Li, H. Plumb line variation at Tangshan during 1987–1998 and its relation with the earthquakes around. Sci. China Ser. D-Earth Sci. 52, 101–107 (2009). https://doi.org/10.1007/s11430-008-0150-0

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  • DOI: https://doi.org/10.1007/s11430-008-0150-0

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