Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 44, issue 1
Articles | Volume 44, issue 1
https://doi.org/10.5194/angeo-44-391-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-44-391-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 44, issue 1
Regular paper
 | 
27 May 2026
Regular paper |  | 27 May 2026

Pre-earthquake Electric Field Disturbances and Interference Analysis Based on CSES-01 Satellite Observations

Jianping Huang, Junjie Song, Yantao Zhang, Yuan Yao, Zhong Li, Wenjing Li, Hengxin Lu, Xingsu Li, Yumeng Huo, and Ruiqi Yang

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Short summary
In this paper, we propose a method for identifying anomalous electromagnetic phenomena in the ionosphere before earthquakes, contributing to earthquake prediction research. By analyzing satellite data from the China Seismo-Electromagnetic Satellite and applying a decomposition technique, we identify significant electric-field disturbances prior to the May 11, 2023, Tonga Islands earthquake, supporting studies of seismic precursors.
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