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Acta Seismologica Sinica

, Volume 7, Issue 3, pp 433–439 | Cite as

The historic evolution of Zhouyuan and the newest activity of the great Wei River fault

  • Xue-Fa Yi
  • Ya-Qin Shi
Article
  • 5 Downloads

Abstract

The rate of vertical differential movement of the great Weihe fault (west segment) in different periods is analyzed by using the data of the historic evolution of the Zhouyuan plateau surface. Results show that the rate reached a maximum in the Ming Dynasty, about 6.4 mm/a, which corresponded well to the period of strong earthquake on the Wei River fault in the 15–16th centuries. Based on such a correspondence, the time separation between active periods ofM s=8.0 strong earthquakes in the Wei River fault depression is investigated.

Key words

Zhouyuan evolution fault activity differential movement rate earthquake intensity time separation 

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References

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Copyright information

© Acta Seismologica Sinica 1994

Authors and Affiliations

  • Xue-Fa Yi
    • 1
  • Ya-Qin Shi
    • 1
  1. 1.Seismological Bureau of Shaanxi ProvinceXi’anChina

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