Minimum of the order parameter fluctuations of seismicity before major earthquakes in Japan

@article{Sarlis2013MinimumOT,
  title={Minimum of the order parameter fluctuations of seismicity before major earthquakes in Japan},
  author={Nicholas V. Sarlis and Efthimios S. Skordas and Panayiotis A. Varotsos and Toshiyasu Nagao and Masashi Kamogawa and Haruo Tanaka and Seiya Uyeda},
  journal={Proceedings of the National Academy of Sciences},
  year={2013},
  volume={110},
  pages={13734 - 13738}
}
It has been shown that some dynamic features hidden in the time series of complex systems can be uncovered if we analyze them in a time domain called natural time χ. The order parameter of seismicity introduced in this time domain is the variance of χ weighted for normalized energy of each earthquake. Here, we analyze the Japan seismic catalog in natural time from January 1, 1984 to March 11, 2011, the day of the M9 Tohoku earthquake, by considering a sliding natural time window of fixed length… Expand
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