Ionospheric perturbations related to the earthquake in Vrancea area on November 22, 2014, as detected by electromagnetic VLF/LF frequency signals

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Maria Solovieva
Alexander Rozhnoi
Viktor Fedun
Konrad Schwingenschuh
Masashi Hayakawa

Abstract

Data from the European network of very low/ low frequency (VLF/LF) receivers has been used to study the response of the lower ionosphere to the earthquake of magnitude 5.5 in Vrancea area on November 22, 2014. Negative amplitude anomalies have been observed during 3 days before the earthquake and two days after, on the LF (45.9 kHz) signal passed above the seismic area. No perturbations have been found for the same signal in control paths during this period. Other possible influences both from above and below which can produce perturbations in the ionosphere have been taken into consideration.

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How to Cite
1.
Solovieva M, Rozhnoi A, Fedun V, Schwingenschuh K, Hayakawa M. Ionospheric perturbations related to the earthquake in Vrancea area on November 22, 2014, as detected by electromagnetic VLF/LF frequency signals. Ann. Geophys. [Internet]. 2015Nov.11 [cited 2021Oct.21];58(5):A0552. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/6827
Section
Physics of the Atmosphere

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