Yu.G. Rapoport, M. Hayakawa, O.E. Gotynyan, V.N. Ivchenko, A.K. Fedorenko, Yu.A. Selivanov, “Stable and unstable plasma perturbations in the ionospheric F region, caused by spatial packet of atmospheric gravity waves”, Physics and Chemistry of the Earth, Parts A/B/C, 34, no. 6-7, 2009, 508
G.V. Lizunov, T.V. Skorokhod, V.Ye. Korepanov, “Atmospheric gravity waves among other physical mechanisms of seismic-ionospheric coupling”, Kosm. nauka tehnol., 26, no. 3, 2020, 55
Xue-min Zhang, Jia-dong Qian, Ya-li Wang, Xu Zhao, Xin-yan Ouyang, Shu-fan Zhao, “Spectral features of geomagnetic low point displacement and its mechanism”, Earthq Sci, 21, no. 5, 2008, 474
Victor U. Chukwuma, Bolarinwa J. Adekoya, Jewel E. Thomas, Joseph B. Emah, Racheal F. Oloruntola, “On the significance of requisite criteria in detecting pre-earthquake ionospheric precursors: a case study of the Tohoku earthquake of March 11, 2011”, Acta Geophys., 69, no. 4, 2021, 1545
Byung-Kyu Choi, Sang Jeong Lee, “Anomalous ionospheric disturbances over South Korea prior to the 2011 Tohoku earthquake”, Advances in Space Research, 57, no. 1, 2016, 302
Jyh-Woei Lin, “Possibility for identifying the new subduction zone from ionospheric anomaly for a deep earthquake (625.9 km) on 14 August 2012, M = 7.7 near Poronaysk, Russia: a two-dimensional principal component analysis”, Arab J Geosci, 8, no. 7, 2015, 5141
Soujan Ghosh, Suman Chakraborty, Sudipta Sasmal, Tamal Basak, Sandip K. Chakrabarti, Anjan Samanta, “Comparative study of the possible lower ionospheric anomalies in very low frequency (VLF) signal during Honshu, 2011 and Nepal, 2015 earthquakes”, Geomatics, Natural Hazards and Risk, 10, no. 1, 2019, 1596
E. V. Liperovskaya, V. V. Bogdanov, P.-F. Biagi, C.-V. Meister, V. A. Liperovsky, M. V. Rodkin, “Day-time variations of foF2 connected to strong earthquakes”, Nat. Hazards Earth Syst. Sci., 9, no. 1, 2009, 53
Thomas Dautermann, Eric Calais, Jennifer Haase, James Garrison, “Investigation of ionospheric electron content variations before earthquakes in southern California, 2003–2004”, J. Geophys. Res., 112, no. B2, 2007, 2006JB004447
Sujay Pal, Yasuhide Hobara, “Mid-latitude atmosphere and ionosphere connection as revealed by very low frequency signals”, Journal of Atmospheric and Solar-Terrestrial Physics, 138-139, 2016, 227