Journal of Northeastern University Natural Science ›› 2014, Vol. 35 ›› Issue (10): 1395-1399.DOI: 10.12068/j.issn.1005-3026.2014.10.007

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Construction Method Based on TimeSpace Influence Domain for Earthquake Network

HE Xuan, ZHAO Hai, CAI Wei, ZHANG Ya   

  1. School of Information Science & Engineering, Northeastern University, Shenyang 110819, China.
  • Received:2013-11-19 Revised:2013-11-19 Online:2014-10-15 Published:2014-05-19
  • Contact: HE Xuan
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Abstract: A construction method based on timespace influence domain for earthquake network was put forward for the seismic complexity in timespace. The range of direct effect was determined according to the magnitude of earthquake. The results showed that the proposed earthquake network, in which the power exponent was between 1 and 2, was scalefree in different time spans. And there was a positive correlation between indegree and outdegree of nodes. The average clustering coefficient increased quickly after main shocks, then decreased gradually as time went on and finally stayed stationary. The earthquake networks based on timespace influence domain, which presented certain statistical laws, could help scientists to analyze the internal mechanism of seismic system.

Key words: complex networks, earthquake networks, timespace influence domain, scalefree, clustering coefficient

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