Geophysical effects caused by the explosive eruption of the Hunga-Tonga-Hunga-Haapai volcano on January 15, 2022

Vitaly V. Adushkin; Svetlana A. Riabova; Yaroslav O. Romanovsky; Yury S. Rybnov; Alexander A. Spivak; Vladimir A. Kharlamov

doi:10.1117/12.2643268

7 December 2022 Geophysical effects caused by the explosive eruption of the Hunga-Tonga-Hunga-Haapai volcano on January 15, 2022

Vitaly V. Adushkin, Svetlana A. Riabova, Yaroslav O. Romanovsky, Yury S. Rybnov, Alexander A. Spivak, Vladimir A. Kharlamov

Author Affiliations +

Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1234157 (2022) https://doi.org/10.1117/12.2643268
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia

Abstract

Based on the analysis of the results of instrumental observations, it is shown that the explosion of the volcano caused a series of wave disturbances in the atmosphere, as well as variations in the electric and magnetic fields of the Earth at significant epicentral distances. Atmospheric disturbances were recorded in the form of Lamb waves with a source at the epicenter of the explosion, as well as a virtual source located at the antipode, and the formation of which is associated with the convergence and summation of signals propagating along the Earth's sphere. In addition to the primary waves, secondary and tertiary waves were registered, which were formed as a result of the repeated passage of the signal caused by the explosion around the Earth's sphere. The source energy has been estimated.

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Vitaly V. Adushkin, Svetlana A. Riabova, Yaroslav O. Romanovsky, Yury S. Rybnov, Alexander A. Spivak, and Vladimir A. Kharlamov "Geophysical effects caused by the explosive eruption of the Hunga-Tonga-Hunga-Haapai volcano on January 15, 2022", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1234157 (7 December 2022); https://doi.org/10.1117/12.2643268

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