brief communication: the recent seismic activity in central greece in 2013 and its precursory electric signals in terms of criticality

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ID: 254737
2014
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Abstract
Here, we check the obedience of new data, derived from the Mw = 5.4 earthquake on 7 August 2013 in Central Greece, to a previously found power law relation by the author between the stress drop of an earthquake and the lead time of its precursory seismic electric signal (SES). An exponent value α =0.329 has been found which is in excellent agreement with previous ones reported in a series of articles by the author. This value falls in the range of critical exponents suggested by various models for fracture and is very close to a reported one which interconnects the amplitude of the SES and the magnitude of the impending earthquake. The stability of this exponent confirms the credibility of the above-mentioned power law and probably implies that real physical dynamic processes evolving to criticality are present in the pre-focal area when the SES is emitted.
Reference Key
dologlou2014nonlinearbrief Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;E. Dologlou
Journal BMC research notes
Year 2014
DOI
10.5194/npg-21-149-2014
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