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EARTHQUAKE ›› 2001, Vol. 21 ›› Issue (1): 14-24.

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Crustal deformation and strain field and analysis of moderately strong earthquake risk along Shanxi seismic belt

WANG Xiu-wen1, ZHAO Xin-ping1, ZHAO Li-hua2, PENG Hao1   

  1. 1. Seismological Bureau of Shanxi Province, Taiyuan 030002, China;
    2. Taihang Middle School, Taiyuan 030006, China
  • Online:2001-01-31 Published:2022-10-27

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Abstract: By using the repeated GPS observ ation data (1996～1999), the recent state of crustal horizontal movement along Shanxi faul tbelt is analyzed. The results show that: The activity of Shanxi belt is cont rolled by the NW, NWW-SE, SEE compressio nal stress field and there is nost rike-slip movement. The horizo ntal mov ement in the south is less activ e than that in the no rth. The maximumv alue of local strain reaches 1×10-6 .

Key words: Shanxi graben system, Crustal horizontal movement, Shanxi deformation, Earthquake risk analysis

CLC Number: