%0 Journal Article %T Assessing Pre-Seismic Deformation in Southern Kamchatka: A Joint SBAS-InSAR and GNSS Analysis Prior to the July 29, 2025 Earthquake %A Бондур, В.Г. %A Чимитдоржиев, Т.Н. %A Дмитриев, А.В. %A Кирбижекова, И.И. %A Титков, Н.Н. %K Geodynamics, interseismic deformation, lithospheric block structure, radar interferometry, deformation mapping, July 29, 2025 earthquake, subduction zone, kamchatka megathrust earthquake %J Russian Journal of Earth Sciences %D 2026 %N 26 %P 0 %I Геофизический центр Российской Академии Наук