TY JOUR TI Stress-Strain State of the Lithosphere of the Kamchatka Pacific Coast Before the July 29, 2025 Earthquake KW Tectonic stress KW focal mechanism KW method of cataclastic analysis KW Kamchatka megathrust earthquake JO Russian Journal of Earth Sciences AU Polets, A.. AU Rebetsky, Y.. AU Gavrilov, V.A. PY 2026 IS 26 PB Geophysical Center of the Russian Academy of Sciences