Statistical mechanics and information-theoretic perspectives on complexity in the earth system

G Balasis, RV Donner, SM Potirakis, J Runge… - Entropy, 2013 - mdpi.com
This review provides a summary of methods originated in (non-equilibrium) statistical
mechanics and information theory, which have recently found successful applications to …

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 …

Critical dynamics related to a recent Bitcoin crash

PI Zitis, Y Contoyiannis, SM Potirakis - International Review of Financial …, 2022 - Elsevier
The cryptocurrency market is an emerging market that is characterized by intense volatility
and therefore the study of its dynamics presents increased interest. The present work …

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 …

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 …

Natural time analysis of critical phenomena: The case of pre-fracture electromagnetic emissions

SM Potirakis, A Karadimitrakis… - Chaos: An Interdisciplinary …, 2013 - pubs.aip.org
Criticality of complex systems reveals itself in various ways. One way to monitor a system at
critical state is to analyze its observable manifestations using the recently introduced method …

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 …

Lower-ionosphere anomalies prior to strong earthquakes that occurred in north-central mainland Greece on March 2021 as revealed by multi-method analysis of VLF …

DZ Politis, SM Potirakis, Y Contoyiannis… - Annals of …, 2023 - annalsofgeophysics.eu
In this work we present the multi-method analysis of very low frequency (VLF) data, acquired
by the radio receiver with call name UWA, located in Athens (Greece), in the University of …

Recent field observations indicating an earth system in critical condition before the occurrence of a significant earthquake

SM Potirakis, Y Contoyiannis, K Eftaxias… - … and Remote Sensing …, 2014 - ieeexplore.ieee.org
In this letter, we show, in terms of the fractureinduced electromagnetic emissions (EME)
recorded prior to the earthquake of Chania, Greece [(35.50° N, 23.28° E); October 12, 2013; …

Intermittent criticality revealed in ULF magnetic fields prior to the 11 March 2011 Tohoku earthquake (Mw= 9)

Y Contoyiannis, SM Potirakis, K Eftaxias… - Physica A: Statistical …, 2016 - Elsevier
The ultra-low-frequency (ULF) magnetic variations recorded prior to the 11 March 2011
Tohoku earthquake (EQ) are analyzed using the method of critical fluctuations (MCF). The …