TY JOUR TI Long-Term Earthquake Prediction by S. A. Fedotov for the Kuril–Kamchatka Arc and the Kamchatka Megathrust Earthquake of July 29, 2025. Review KW S. A. Fedotov KW long-term earthquake prediction KW seismic cycle KW seismic gaps KW Kuril– Kamchatka Arc KW Pacific Ring of Fire KW Kamchatka megathrust earthquake KW seismic hazard JO Russian Journal of Earth Sciences AU Gvishiani, A.D. AU Gliko, A.O. AU Dzeboev, B.A. AU Dzeranov, B.V. AU Kedrov, E.O. PY 2026 IS 26 PB Geophysical Center of the Russian Academy of Sciences