@article{Bondur2026anomalous, author={Bondur, V.G. and Tsidilina, M.N. and Voronova, O.S. and Gaponova, M.V. and Timoshina, G.A.}, title={Anomalous Changes in Ionospheric Parameters During the Preparation and Occurrence of the M8.8 Earthquake and a Series of Earthquakes With M ≥ 6 That Occurred Near the Kamchatka Peninsula From June to September 2025 According to the Data of Satellite Navigation Systems}, journal={Russian Journal of Earth Sciences}, publisher={Geophysical Center of the Russian Academy of Sciences}, year={2026}, pages={-}, volume={26}, issue={2}, }