Precursor analysis of ionospheric GPS-TEC variations before the 2010 M7.2 Baja California earthquake

M Ulukavak, M Yalcinkaya - Geomatics, Natural Hazards and Risk, 2017 - Taylor & Francis
Total electron content (TEC) data obtained from receivers of global navigation satellite
systems (GNSSs) are increasingly being used to detect pre-earthquake ionospheric …

Ionospheric TEC modelling for earthquakes precursors from GNSS data

G Sharma, S Mohanty, S Kannaujiya - Quaternary International, 2017 - Elsevier
In present study, we measured the Total Electron Content (TEC) variation in the ionosphere
from Global Navigation Satellite System (GNSS) data which might have been induced by …

TEC anomalies assessment for earthquakes precursors in North-Eastern India and adjoining region using GPS data acquired during 2012–2018

G Sharma, P Saikia, D Walia, P Banerjee… - Quaternary …, 2021 - Elsevier
A total of 160 earthquakes in North East Indian region and surroundings were analysed for
earthquake precursor detection using GPS based Total Electron Content (TEC) estimation in …

Studies of scintillations and TEC variations with GPS satellite links together with soil radon anomalies preceding Nepal earthquakes of April–May 2015

A Guha Bose, A Das, S Chowdhury, A Deb - Natural Hazards, 2022 - Springer
Ionospheric effects like scintillations and anomalous variations in total electron content
(TEC) monitored with Global Positioning System (GPS) satellites of L1 frequency over …

A study of some research work on soil radon concentration and ionospheric total electron content as earthquake precursors

S Chowdhury, A Guha Bose, A Das, A Deb - Journal of Radioanalytical …, 2024 - Springer
This review discusses some research on two earthquake precursors—soil radon
concentration, a geochemical precursor; and Total Electron Content (TEC), an atmospheric …

[HTML][HTML] Development of a monitoring system for ionospheric TEC variability before the earthquakes

G Sharma, M Soubam, D Walia, N Nishant… - Applied Computing and …, 2021 - Elsevier
Abstract Total Electron Content (TEC) in the ionosphere changes before an earthquake and
is one of the important parameters in the study of earthquake precursors. Monitoring of TEC …

Integrated observations on crustal strain-ionosphere total electron content anomalies before the earthquake

G Sharma, MS Singh, SP Aggarwal… - Acta Geophysica, 2023 - Springer
Abstract Changes in strain (Linear and triangular) rate and Ionosphere Total Electron
Content (TEC) before Mw 7.9 2018 Alaska Earthquake are investigated. Ten years of global …

Earthquake/Tsunami‐Linked Imprints in the Equatorial F Region Zonal Plasma Drifts and Spatial Structures of Plasma Bubbles

P Gurram, B Kakad, M Ravi Kumar… - Journal of …, 2019 - Wiley Online Library
We report preseismic and postseismic distinct features observed in equatorial ionospheric F
region in Indian longitude during two major earthquakes that occurred on 28 March 2005 (M …

Ionospheric perturbations associated with two recent major earthquakes (M> 5.0)

S Priyadarshi, S Kumar, AK Singh - Physica Scripta, 2011 - iopscience.iop.org
In this paper, dual-frequency GPS data recorded at Varanasi (geographic latitude 25 16'N,
longitude 82 59'E) have been analyzed to study the ionospheric perturbations in total …

On the spatial scales of ionospheric perturbations caused by moderate earthquakes that occurred in Indian subcontinents

K Chaudhary, B Singh, D Pundhir - Indian Journal of Physics, 2022 - Springer
The diurnal variation of GPS-TEC data recorded at the low-latitude station Agra (Geograph.
lat. 27.2° N, long. 78° E) has been analyzed for a period of 9 years between 2007 and 2018 …