Geophysical effects in the surface atmosphere caused by earthquake in Turkey on January 24, 2020

Svetlana A. Riabova; Yuri S. Rybnov; Yaroslav O. Romanovsky; Alexander A. Spivak; Vladimir A. Kharlamov

doi:10.1117/12.2575703

12 November 2020 Geophysical effects in the surface atmosphere caused by earthquake in Turkey on January 24, 2020

Svetlana A. Riabova, Yuri S. Rybnov, Yaroslav O. Romanovsky, Alexander A. Spivak, Vladimir A. Kharlamov

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115607K (2020) https://doi.org/10.1117/12.2575703
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

We consider the disturbances of the magnetic field, electrical characteristics, and microbaric variations in the surface atmosphere caused by a strong earthquake that occurred in Turkey on January 24, 2020. The effects were recorded at the Mikhnevo observatory of Sadovsky Institute of Geosphere Dynamics of Russian Academy of Sciences which is located at distance of ~ 1900 km from the earthquake focus. It is shown that the acoustic effects accompanying the earthquake are caused by two sources: acoustic signal produced by arrival of seismic waves and acoustic signal propagating in the stratospheric waveguide. Using the data of the Mikhnevo observatory, we present the amplitudes of the induced variations in the electric field and atmospheric current. Also geomagnetic variations at different distances from the earthquake focus are presented.

Citation Download Citation

Svetlana A. Riabova, Yuri S. Rybnov, Yaroslav O. Romanovsky, Alexander A. Spivak, and Vladimir A. Kharlamov "Geophysical effects in the surface atmosphere caused by earthquake in Turkey on January 24, 2020", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115607K (12 November 2020); https://doi.org/10.1117/12.2575703

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