Evidence of critical dynamics in various electromagnetic precursors

SM Potirakis, Y Contoyiannis, A Schekotov… - The European Physical …, 2021 - Springer
A wide variety of electromagnetic phenomena possibly related with earthquake (EQ)
preparation processes have been reported in the literature during the last few decades. An …

Four-stage model of earthquake generation in terms of fracture-induced electromagnetic emissions: a review

K Eftaxias, SM Potirakis, Y Contoyiannis - Complexity of seismic time series, 2018 - Elsevier
Based on a multidisciplinary analysis, the following four-stage model of earthquake (EQ)
dynamics by means of precursory electromagnetic (EM) emissions (EMEs) has been …

Multi-parameter observations of seismogenic phenomena related to the Tokyo earthquake (M= 5.9) on 7 October 2021

M Hayakawa, A Schekotov, J Izutsu, SS Yang… - Geosciences, 2022 - mdpi.com
Multi-parameter observations, powerful for the study of lithosphere–atmosphere–ionosphere
coupling (LAIC), have been performed for a recent Tokyo earthquake (EQ) with a moderate …

Lithosphere–atmosphere–ionosphere coupling effects based on multiparameter precursor observations for February–March 2021 earthquakes (M~ 7) in the offshore …

M Hayakawa, J Izutsu, A Schekotov, SS Yang… - Geosciences, 2021 - mdpi.com
The purpose of this paper is to discuss the lithosphere–atmosphere–ionosphere coupling
(LAIC) effects with the use of multiparameter precursor observations for two successive …

[图书][B] Natural Time Analysis: The New View of Time, Part II: Advances in Disaster Prediction Using Complex Systems

P Varotsos, N Sarlis, E Skordas - 2023 - books.google.com
This monograph contains the advances achieved based on the content of our previous
monograph published in 2011. In other words, the present monograph can be considered …

Criticality analysis of the lower ionosphere perturbations prior to the 2016 Kumamoto (Japan) earthquakes as based on VLF electromagnetic wave propagation data …

SM Potirakis, T Asano, M Hayakawa - Entropy, 2018 - mdpi.com
The perturbations of the ionosphere which are observed prior to significant earthquakes
(EQs) have long been investigated and could be considered promising for short-term EQ …

Criticality hidden in acoustic emissions and in changing electrical resistance during fracture of rocks and cement-based materials

G Niccolini, SM Potirakis, G Lacidogna, O Borla - Materials, 2020 - mdpi.com
Acoustic emissions (AE) due to microcracking in solid materials permit the monitoring of
fracture processes and the study of failure dynamics. As an alternative method of integrity …

Natural time analysis of Global Navigation Satellite System surface deformation: The case of the 2016 Kumamoto earthquakes

SS Yang, SM Potirakis, S Sasmal, M Hayakawa - Entropy, 2020 - mdpi.com
In order to have further evidence of the atmospheric oscillation channel of the lithosphere-
atmosphere-ionosphere coupling (LAIC), we have studied criticality in global navigation …

Statistical and criticality analysis of the lower ionosphere prior to the 30 October 2020 Samos (Greece) earthquake (M6. 9), based on VLF electromagnetic propagation …

DZ Politis, SM Potirakis, YF Contoyiannis, S Biswas… - Entropy, 2021 - mdpi.com
In this work we present the statistical and criticality analysis of the very low frequency (VLF)
sub-ionospheric propagation data recorded by a VLF/LF radio receiver which has recently …

Recent seismic activity at Cephalonia (Greece): a study through candidate electromagnetic precursors in terms of non-linear dynamics

SM Potirakis, Y Contoyiannis, NS Melis… - Nonlinear Processes …, 2016 - npg.copernicus.org
The preparation process of two recent earthquakes (EQs) that occurred in Cephalonia
(Kefalonia), Greece,((38.22∘ N, 20.53∘ E), 26 January 2014, M w= 6.0, depth∼ 20 km) and …