7 citations as recorded by crossref.

1. Looking for Earthquake Precursors From Space: A Critical Review P. Picozza et al. https://doi.org/10.3389/feart.2021.676775
2. Probing the lower ionospheric perturbations associated with earthquakes by means of subionospheric VLF/LF propagation M. Hayakawa https://doi.org/10.1007/s11589-011-0823-1
3. Variations of Geomagnetic Response Functions before the 2011 Tohoku Earthquake I. Rokityansky et al. https://doi.org/10.4236/ojer.2019.82005
4. Brief communication "On the recent reaffirmation of ULF magnetic earthquakes precursors" F. Masci https://doi.org/10.5194/nhess-11-2193-2011
5. Atmospheric gravity waves as a possible candidate for seismo-ionospheric perturbations M. Hayakawa et al. https://doi.org/10.1541/jae.31.129
6. An approach to the validation of thermal and electromagnetic earthquake precursors: Effects of earth tides Y. Sue & M. Hayakawa https://doi.org/10.1016/j.jseaes.2010.05.019
7. Analysis of Ionospheric Perturbations Possibly Related to Yangbi Ms6.4 and Maduo Ms7.4 Earthquakes on 21 May 2021 in China Using GPS TEC and GIM TEC Data L. Dong et al. https://doi.org/10.3390/atmos13101725