Ionospheric Total Electron Content (TEC) anomalies as earthquake precursors: Unveiling the geophysical connection leading to the 2023 Moroccan 6.8 Mw …

K Nayak, C López-Urías, R Romero-Andrade… - Geosciences, 2023 - mdpi.com
The study delves into the relationship between ionospheric total electron content (TEC)
anomalies and seismic activity, with a focus on Morocco's 6.8 Mw earthquake on 8 …

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 …

A combined approach using b-value and ionospheric GPS-TEC for large earthquake precursor detection: a case study for the Colima earthquake of 7.7 Mw, Mexico

K Nayak, R Romero-Andrade, G Sharma… - Acta Geodaetica et …, 2023 - Springer
Possible ionospheric TEC precursor and crustal stress (b-value) precursor related to the Mw
7.7 Colima earthquake of September 19, 2022, were analyzed in the present study. b-value …

Crustal deformation analysis across Garhwal Himalaya: Part of western Himalaya using GPS observations

G Sharma, S Kannaujiya, PKR Gautam, AK Taloor… - Quaternary …, 2021 - Elsevier
Past earthquakes in the Himalayas are mainly due to tectonic activities along the thrust faults
parallel to the Himalayan belt. In order to study the ongoing tectonic process, crustal …

Global positioning system observations of ionospheric total electron content variations during the 15th January 2010 and 21st June 2020 solar eclipse

A Silwal, SP Gautam, P Poudel, M Karki… - Radio …, 2021 - ieeexplore.ieee.org
The dual-frequency global positioning system (GPS) data acquired from the UNAVCO over
different places of Nepal were processed to examine the eclipse-triggered consequences on …

Investigation of pre-earthquake ionospheric and atmospheric disturbances for three large earthquakes in Mexico

C Oikonomou, H Haralambous, S Pulinets, A Khadka… - Geosciences, 2020 - mdpi.com
The purpose of the present study is to investigate simultaneously pre-earthquake
ionospheric and atmospheric disturbances by the application of different methodologies …

Ionospheric TEC prediction base on attentional BiGRU

D Lei, H Liu, H Le, J Huang, J Yuan, L Li, Y Wang - Atmosphere, 2022 - mdpi.com
Many studies indicated that ionospheric total electron content (TEC) prediction is vital for
terrestrial and space-based radio-communication systems. In previous TEC prediction …

low ionosphere density above the earthquake epicentre region of Mw 7.2, El Mayor–Cucapah earthquake evident from dense CORS data

G Sharma, K Nayak, R Romero-Andrade… - Journal of the Indian …, 2024 - Springer
In this study, a potential precursor related to the Mw 7.2 Mexico earthquake on April 4, 2010,
was investigated by analysing ionosphere total electron content (TEC) fluctuations derived …

A Multi-Network based Hybrid LSTM model for ionospheric anomaly detection: A case study of the Mw 7.8 Nepal earthquake

E Şentürk, M Saqib, MA Adil - Advances in Space Research, 2022 - Elsevier
Abstract We propose a Multi-Network-based Hybrid Long Short Term Memory (N-LSTM)
model for ionospheric anomaly detection to forecast highly irregular data of the ionospheric …

Comprehensive ionospheric precursor analysis of selected Mw≥ 7 earthquakes

G Gurbuz, V Akgul, SH Kutoglu - Environmental Earth Sciences, 2023 - Springer
The ionosphere and earthquake relation using total electron content (TEC) values became a
hot topic especially after the 2000s due to advances in monitoring of the near-Earth space …