Pre-seismic irregularities during the 2020 Samos (Greece) earthquake (M= 6.9) as investigated from multi-parameter approach by ground and space-based …

S Sasmal, S Chowdhury, S Kundu, DZ Politis… - Atmosphere, 2021 - mdpi.com
We present a comprehensive analysis of pre-seismic anomalies as computed from the
ground and space-based techniques during the recent Samos earthquake in Greece on 30 …

Critical dynamics in stratospheric potential energy variations prior to significant (M> 6.7) earthquakes

DZ Politis, SM Potirakis, S Kundu, S Chowdhury… - Symmetry, 2022 - mdpi.com
Lithosphere–atmosphere–ionosphere coupling (LAIC) is studied through various physical or
chemical quantities, obtained from different sources, which are observables of the involved …

On the correlation between earthquakes and prior ionospheric scintillations over the ocean: A study using GNSS-R data between 2017 and 2021

BEB Semlali, C Molina, H Park… - IEEE Journal of Selected …, 2024 - ieeexplore.ieee.org
From 1980 to 2021, earthquakes have caused more than 846 000 casualties and about US
$661 billion in economic losses. At present, there are no reliable earthquake precursors to …

Seismogenic anomalies in atmospheric gravity waves as observed from SABER/TIMED satellite during large earthquakes

S Kundu, S Chowdhury, S Ghosh, S Sasmal… - Journal of …, 2022 - Wiley Online Library
Atmospheric disturbances caused by seismic activity are a complex phenomenon. The
Lithosphere–Atmosphere–Ionosphere Coupling (LAIC) mechanism gives a detailed idea to …

Direct and indirect evidence of pre-seismic electromagnetic emissions associated with two large earthquakes in Japan

S Chowdhury, S Kundu, S Ghosh, M Hayakawa… - Natural Hazards, 2022 - Springer
Electromagnetic emissions (EMEs) associated with earthquake (EQ) epicenters are found to
be one of the most reliable phenomena for the short-term pre-seismic mechanism of …

Study of aerosol anomaly associated with large earthquakes (M> 6)

S Ghosh, S Sasmal, M Naja, S Potirakis… - Advances in Space …, 2023 - Elsevier
We present the variation of unusual atmospheric phenomena, aerosols, to understand the
preseismic irregularities for two major earthquakes in Japan. We consider aerosol optical …

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 …

Numerical modelling of sub-ionospheric very low frequency radio signal anomalies during the Samos (Greece) earthquake (M= 6.9) on October 30, 2020

S Biswas, S Chowdhury, S Sasmal, DZ Politis… - Advances in Space …, 2022 - Elsevier
Lower ionospheric perturbation during earthquake activity is well recognized by the
anomalous behavior of Very Low or Low Frequency (VLF/LF) radio signal. In this study, we …

Preseismic Perturbations and their Inhomogeneity as Computed from Ground‐and Space‐Based Investigation during the 2016 Fukushima Earthquake

S Biswas, S Kundu, S Sasmal, DZ Politis… - Journal of …, 2023 - Wiley Online Library
We present the atmospheric anomalies instigated through seismogenic sources by a
multichannel observation using ground‐and satellite‐based systems. This study …

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 …