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EARTHQUAKE ›› 2002, Vol. 22 ›› Issue (4): 49-54.

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Study on multidiscipline precursory harmonious characteristics of strong earthquakes

CAO Ling-ling, LIU Yao-wei, PAN Shu-xin   

  1. Lanzhou Institute of Seismology, CSB, Lanzhou 730000, China
  • Received:2002-06-27 Revised:2002-07-16 Published:2021-12-21

Abstract: In this paper, several strong earthquake cases are analyzed, those events occurred in Sichuan and Yunnan region since 1970. We studied the spatio-temporal characteristics of precursors, including geo-electricity, hydrochemistry, water level, groundtilt, discipline precursory indexes of seismology and soon. And at the same time, we com paratively analyzed their different and same characteristics. The studying result shows that there exist harmonious characteristics a mong all sorts of precursors.

Key words: Strong earthquake, Precursor, Seismometry index, Harmonious characteristics, Sichuan-Yunnan region

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