Effectiveness of the Relative -Barbier Parameter
in the Search for Ionospheric Precursors of Earthquakes

S. A. Pulinets; Пулинец С. А.; V. V. Khegai; Хегай В. В.; A. D. Legen’ka; Легенька А. Д.; L. P. Korsunova; Корсунова Л. П.

doi:10.31857/S0016794023600102

Effectiveness of the Relative -Barbier Parameter in the Search for Ionospheric Precursors of Earthquakes

Authors: Pulinets S.A.¹, Khegai V.V.², Legen’ka A.D.², Korsunova L.P.²
Affiliations:
1. Space Research Institute, Russian Academy of Sciences
2. Pushkov Institute of Terrestrial Magnetism, the Ionosphere, and Radio Wave Propagation, Russian Academy of Sciences
Issue: Vol 63, No 3 (2023)
Pages: 349-357
Section: Articles
URL: https://journals.rcsi.science/0016-7940/article/view/134726
DOI: https://doi.org/10.31857/S0016794023600102
EDN: https://elibrary.ru/PKPQUY
ID: 134726

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Abstract
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References
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Abstract

A study of temporal variations of the complex relative δ-Barbier parameter (δBarbier) was carried out
to evaluate its effectiveness in the search for seismo-ionospheric precursors. For this purpose, its behavior
(according to 15-min measurements of ionospheric parameters) was considered before two strong earthquakes
for which seismo-ionospheric precursors had already been detected. The first earthquake (with magnitude
M = 6.3) occurred on April 6, 2009 (L’Aquila, Italy) at an epicentral distance of ~93 km from the Rome
ground-based vertical ionospheric sounding station, and the second earthquake (with magnitude M = 7.2)
occurred on January 30, 2016, while its epicenter was ~117 km from the ground-based vertical ionospheric
sounding station located on the territory of the Paratunka Kamchatka complex geophysical observatory. In
both cases, specific features were identified in the behavior of the δBarbier parameter that coincided in time
with the previously detected ionospheric precursors of these earthquakes. This allows us to conclude that the
effectiveness of using the δBarbier parameter in the search for seismo-ionospheric precursors has been successfully
verified

References

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