ONO, Yuya; IDA, Yuichi; KASAHARA, Yasushi; HOBARA, Yasuhide; HAYAKAWA, Masashi; ROZHNOI, Alexander; SOLOVIEVA, Maria; MOLCHANOV, Oleg A.; OHTA, Kenji. Ionospheric perturbations associated with two huge earthquakes in Japan, using principal component analysis for multiple subionospheric VLF/LF propagation paths. Annals of Geophysics, [S. l.], v. 55, n. 1, 2012. DOI: 10.4401/ag-5329. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/5329. Acesso em: 11 apr. 2026.