[S-TT50] New Frontiers in Earth Science Pioneered by Dense GNSS Observation Networks

[STT50-07] GNSS-TEC observations of near- and far-field ionospheric disturbances associated with the 2025 Jul. 29 M_w8.8 Kamchatka earthquake

*Kosuke Heki¹, Ihsan Naufal Muafiry², Nikolay Shestakov³ (1. Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 2. National Research and Innovation Agency (BRIN), Indonesia, 3. Far Eastern Federal Univ./Inst. for Applied Mathematics of the Far Eastern Branch of the Russian Academy of Sciences, Russia)

Keywords:GNSS-TEC, Kamchatka earthquake, coseismic ionospheric disturbance, dense GNSS network