Geomagnetic variations associated with the blowing stage or Plinian type volcanic eruptions

M. Yu. Kuzmicheva; A. A. Spivak; A. V. Tikhonova

doi:10.1117/12.2689358

17 October 2023 Geomagnetic variations associated with the blowing stage or Plinian type volcanic eruptions

M. Yu. Kuzmicheva, A. A. Spivak, A. V. Tikhonova

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127806V (2023) https://doi.org/10.1117/12.2689358
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

A numerical model is proposed for the influence of a volcanic eruption accompanied by an intense vertical flow of an ash-gas mixture on the disturbance of the geomagnetic field. As the main mechanism of the magnetic effect, the impact on the epicentral region of the Earth's ionosphere of wave atmospheric disturbances caused by volcanic activity is considered. The estimates made on the basis of the proposed model on the example of the eruption of the Raikoke volcano on June 21, 2019 (Kuriles) are consistent with the results of instrumental observations.

Citation Download Citation

M. Yu. Kuzmicheva, A. A. Spivak, and A. V. Tikhonova "Geomagnetic variations associated with the blowing stage or Plinian type volcanic eruptions", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127806V (17 October 2023); https://doi.org/10.1117/12.2689358

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