Articles | Volume 13, issue 1
Nat. Hazards Earth Syst. Sci., 13, 125–139, 2013
Nat. Hazards Earth Syst. Sci., 13, 125–139, 2013

Research article 25 Jan 2013

Research article | 25 Jan 2013

The Earth as a living planet: human-type diseases in the earthquake preparation process

Y. F. Contoyiannis1, S. M. Potirakis2, and K. Eftaxias1 Y. F. Contoyiannis et al.
  • 1Department of Physics, Section of Solid State Physics, University of Athens, Panepistimiopolis, 15784, Zografos, Athens, Greece
  • 2Department of Electronics, Technological Education Institute (TEI) of Piraeus, 250 Thivon & P. Ralli, 12244, Aigaleo, Athens, Greece

Abstract. The new field of complex systems supports the view that a number of systems arising from disciplines as diverse as physics, biology, engineering, and economics may have certain quantitative features that are intriguingly similar. The Earth is a living planet where many complex systems run perfectly without stopping at all. The earthquake generation is a fundamental sign that the Earth is a living planet. Recently, analyses have shown that human-brain-type disease appears during the earthquake generation process. Herein, we show that human-heart-type disease appears during the earthquake preparation of the earthquake process. The investigation is mainly attempted by means of critical phenomena, which have been proposed as the likely paradigm to explain the origins of both heart electric fluctuations and fracture-induced electromagnetic fluctuations. We show that a time window of the damage evolution within the heterogeneous Earth's crust and the healthy heart's electrical action present the characteristic features of the critical point of a thermal second-order phase transition. A dramatic breakdown of critical characteristics appears in the tail of the fracture process of heterogeneous system and the injured heart's electrical action. Analyses by means of Hurst exponent and wavelet decomposition further support the hypothesis that a dynamical analogy exists between the geological and biological systems under study.