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Abstract <p>Using ground-based low-latitude magnetometer observation stations, the intensification of geomagnetic field variations associated with a strong earthquake in Myanmar in 2025, located more than a 1000&#xa0;km from the stations, was studied. The observed geomagnetic variations were interpreted as the result of propagation of three types of waves caused by the earthquake: seismic Rayleigh waves generating acoustic waves, atmospheric internal waves generated at the earthquake epicenter, and slow magnetohydrodynamic waves caused by the dissipation of acoustic-gravity waves in the lower ionosphere.</p>

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On Geomagnetic Variations after the 2025 Myanmar Earthquake

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • S. A. Riabova,
  • S. L. Shalimov

摘要

Abstract

Using ground-based low-latitude magnetometer observation stations, the intensification of geomagnetic field variations associated with a strong earthquake in Myanmar in 2025, located more than a 1000 km from the stations, was studied. The observed geomagnetic variations were interpreted as the result of propagation of three types of waves caused by the earthquake: seismic Rayleigh waves generating acoustic waves, atmospheric internal waves generated at the earthquake epicenter, and slow magnetohydrodynamic waves caused by the dissipation of acoustic-gravity waves in the lower ionosphere.