Prof. Stelios M. Potirakis

Department of Electrical and Electronics Engineering

University of West Attica, GREECE

Email: spoti@uniwa.gr

Qualifications

2002  Ph.D., National and Kapodistrian University of Athens, Greece, Physics.

1996  M.Sc., National and Kapodistrian University of Athens, Greece, Electronics and Communications.

1993  B.Sc., National and Kapodistrian University of Athens, Greece, Physics.

Publications (selected)

1. D.Z. Politis, S.M. Potirakis, S. Kundu, S. Chowdhury, S. Sasmal, M. Hayakawa, Critical dynamics in stratospheric potential energy variations prior to significant (M > 6.7) earthquakes, Symmetry 2022, 14(9), 1939; https://doi.org/10.3390/sym14091939.

2. F. Malkotsis, D.Z.Politis, D. Dimakos, S.M. Potirakis, An Amateur Radio-Based Open-Source (HW/SW) VLF/LF Re-ceiver for Lower Ionosphere Monitoring: Examples of Identified Perturbations. Foundations 2022, 2, 639–663. https://doi.org/10.3390/foundations2030044.

3. S. Ghosh, S. Chowdhury, S. Kundu, S. Sasmal, D.Z. Politis, S.M. Potirakis, M. Hayakawa, S. Chakraborty, S.k. Chakrabarti. Unusual Surface Latent Heat Flux Variations and Their Critical Dynamics Revealed before Strong Earthquakes. Entropy. 2022; 24(1):23. https://doi.org/10.3390/e24010023.

4. S. M. Potirakis, Y. Contoyiannis, K. Eftaxias, N. S. Melis, C. Nomicos, Post-spontaneous-symmetry-breaking power-laws after a very strong earthquake: Indication for the preparation of a new strong earthquake or not? Physica A, 2022, 589, 126607, https://doi.org/10.1016/j.physa.2021.126607.

5. S. Sasmal, S. Chowdhury, S. Kundu, D. Z. Politis, S. M. Potirakis, G. Balasis, M. Hayakawa, S. K. Chakrabarti. Pre-Seismic Irregularities during the 2020 Samos (Greece) Earthquake (M = 6.9) as Investigated from Multi-Parameter Approach by Ground and Space-Based Techniques, Atmosphere 12(8), 1059 (2021). https://doi.org/10.3390/atmos12081059.

6. D.Z. Politis, S.M. Potirakis, Y.F. Contoyiannis, S. Biswas, S. Sasmal M. Hayakawa, Statistical and Criticality Analysis of the Lower Ionosphere Prior to the 30 October 2020 Samos (Greece) Earthquake (M6.9), Based on VLF Electromagnetic Propagation Data as Recorded by a New VLF/LF Receiver Installed in Athens (Greece), Entropy 2021, 23, 676, https://doi.org/10.3390/e23060676.

7. S. M. Potirakis, Y. Contoyiannis, A. Schekotov, K. Eftaxias, M. Hayakawa, Evidence of critical dynamics in various electromagnetic precursors, Eur. Phys. J. Special Topics 230, 151-177 (2021), doi: https://doi.org/10.1140/epjst/e2020-000249-x.

8. A. Schekotov, M. Hayakawa, S. M. Potirakis, Does air ionization by radon cause low‑frequency atmospheric electromagnetic earthquake precursors? Natural Hazards (2021) 106:701–714, doi: https://doi.org/10.1007/s11069-020-04487-7.

9. S.-S. Yang, S.M. Potirakis, S. Sasmal, M. Hayakawa, Natural Time Analysis of Global Navigation Satellite System Surface Deformation: The Case of the 2016 Kumamoto Earthquakes. Entropy, 22, 674 (2020), doi: https://doi.org/10.3390/e22060674.

10. D. Politis, S. M. Potirakis, M. Hayakawa, Criticality analysis of three-year-long VLF subionospheric propagation data possibly related to significant earthquake events in Japan, Natural Hazards (2020) 102:47–66, doi: https://doi.org/10.1007/s11069-020-03910-3.

11. S. M. Potirakis, Y. F. Contoyiannis, K. Eftaxias, Lévy and Gauss statistics in the preparation of an earthquake, Physca A, 528, 121360, 2019, doi: https://doi.org/10.1016/j.physa.2019.121360.

12. S. M. Potirakis, A. Schekotov, Y. Contoyiannis, G. Balasis, G. E. Koulouras, N. S. Melis, A. Z. Boutsi, M. Hayakawa, K. Eftaxias, C. Nomicos, On possible electromagnetic precursors to a significant earthquake (Mw=6.3) occurred in Lesvos (Greece) on 12 June 2017, Entropy, 2019, 21, 241, doi: https://doi.org/10.3390/e21030241.

13. S. M. Potirakis, Y. Contoyiannis, A. Schekotov, T. Asano, M. Hayakawa, Critical states in the ULF magnetic field fluctuations recorded in Japan prior to the 2016 Kumamoto earthquakes, Physca A, 514, 563–572, 2019, doi: https://doi.org/10.1016/j.physa.2018.09.070.

14. K. Eftaxias, S. M. Potirakis, Y. Contoyiannis, 2018. Four-stage model of earthquake generation in terms of fracture-induced electromagnetic emissions: A review. In: T. Chelidze, L. Telesca,  F. Vallianatos (Eds.) Complexity of seismic time series; Measurement and Applications, Elsevier, Oxford UK, 2018, eBook ISBN: 9780128131398,Paperback ISBN: 9780128131381, doi: https://doi.org/10.1016/B978-0-12-813138-1.00013-4.

15. Y. Contoyiannis, S. M. Potirakis, Signatures of the symmetry breaking phenomenon in pre-seismic electromagnetic emissions, J. Stat. Mech. (2018) 083208, doi: https://doi.org/10.1088/1742-5468/aad6ba.

16. M. Potirakis, T. Asano, M. Hayakawa, Criticality analysis of the lower ionosphere perturbations prior to the 2016 Kumamoto (Japan) earthquakes as based on VLF electromagnetic wave propagation data observed at multiple stations, Entropy 2018, 20, 199(1:17), doi: https://doi.org/10.3390/e20030199.

17. S. M. Potirakis, A. Schekotov, T. Asano, M. Hayakawa, Natural time analysis on the ULF magnetic field variations prior to the 2016 Kumamoto earthquakes, J. Asian Earth Sci., 2018, 154, 419-427, doi: https://doi.org/10.1016/j.jseaes.2017.12.036.

18. S.M. Potirakis, Y. Contoyiannis, T. Asano, M. Hayakawa, Intermittency-induced criticality in the lower ionosphere prior to the 2016 Kumamoto earthquakes as embedded in the VLF propagation data observed at multiple stations, Tectonophysics, 722, 422–431, 2018, doi: https://doi.org/10.1016/j.tecto.2017.11.020.

19. S. M. Potirakis, M. Hayakawa, A. Schekotov, Fractal analysis of the ground-recorded ULF magnetic fields prior to the 11 March 2011 Tohoku earthquake (MW= 9): discriminating possible earthquake precursors from Space-sourced disturbances, Natural Hazards, 85, 59-86, 2017, doi: https://doi.org/10.1007/s11069-016-2558-8.

20. S. M. Potirakis, Y. Contoyiannis, N. S. Melis, J. Kopanas, G. Antonopoulos, G. Balasis, C. Kontoes, C. Nomicos, K. Eftaxias, Recent seismic activity at Cephalonia (Greece): a study through candidate electromagnetic precursors in terms of non-linear dynamics, Nonlin. Processes Geophys., 23, 223-240, 2016, doi: https://doi.org/10.5194/npg-23-223-2016 .

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