Atmospheric precursors to Baikal earthquakes

Valentine B. Kashkin; Roman V. Odintsov; Konstantin V. Simonov; Tatyana V. Rubleva; Aleksey A. Kabanov

doi:10.1117/12.2603444

15 December 2021 Atmospheric precursors to Baikal earthquakes

Valentine B. Kashkin, Roman V. Odintsov, Konstantin V. Simonov, Tatyana V. Rubleva, Aleksey A. Kabanov

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 1191688 (2021) https://doi.org/10.1117/12.2603444
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The present study deals with the strong earthquakes (M>5.0) that occurred in the Baikal Rift Zone between 2008 and 2020. Reference time intervals, with no earthquakes occurring, have been chosen. The effect of seismic activity on the ozone layer has been investigated by analyzing the trends of total ozone (TO) onset obtain from the Aura/OMI satellite data, using singular spectrum analysis. In the periods preceding seismic events, TO trends have been found to be more variable than the reference ozone trends. In the pre-earthquake time intervals, the oscillation period of the TO first harmonic decreases by a factor of 1.5–2 compared to the period of the reference first harmonic of ozone.

Citation Download Citation

Valentine B. Kashkin, Roman V. Odintsov, Konstantin V. Simonov, Tatyana V. Rubleva, and Aleksey A. Kabanov "Atmospheric precursors to Baikal earthquakes", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 1191688 (15 December 2021); https://doi.org/10.1117/12.2603444

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