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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 11, issue 6 | Copyright

Special issue: Progress in research on earthquake precursors

Nat. Hazards Earth Syst. Sci., 11, 1605-1608, 2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 06 Jun 2011

Research article | 06 Jun 2011

Experimental evidence of the compatibility of the cumulative electromagnetic energy release data, with the hierarchical models for the catastrophic fracturing process

D. Mastrogiannis, V. Hadjicontis, and C. Mavromatou D. Mastrogiannis et al.
  • Section of Solid State Physics, Department of Physics, University of Athens, Panepistimiopolis 15784, Zografos, Greece

Abstract. In this paper, we performed experiments of uniaxial compression of granite samples and recorded time series of electromagnetic pulses during the evolution of the catastrophic fracturing process. The cumulative energy release of the electromagnetic emission (EME) up to the critical point at the moment of rupture was then calculated. It was shown, that the validity of the proposed hierarchy models for the catastrophic fracturing process of composite materials, in analogy to critical phenomena, can be experimentally established not only via acoustic emission data, but via electromagnetic emission data as well. The above conclusion could be a useful tool for the improvement of the earthquake prediction method, based on precursory electromagnetic signals.

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