POLITIS, Dimitrios Z.; POTIRAKIS, Stelios M.; CONTOYIANNIS, Yiannis; POTAMITIS, Ilyas; SASMAL, Sudipta; YANG, Shih-Sian; HAYAKAWA, Masashi. 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 sub-ionospheric propagation data. Annals of Geophysics, [S. l.], v. 66, n. 6, p. SE645, 2023. DOI: 10.4401/ag-8986. Disponível em: https://www.annalsofgeophysics.eu/index.php/annals/article/view/8986. Acesso em: 1 apr. 2026.