In this article, such diverse phenomena of Russian sociocultural dynamics as social inertia, modernization, and archaization appear as explanatory constructs in the logic of sociocultural changes that have crisis manifestations. Inertial processes included in the mechanism of sociocultural reproduction are most directly associated with archaic ones, gaining due to them stability and power of influence on the trajectory of sociocultural dynamics. In turn, both of these are triggered by processes associated with changes in the customary logic of sociocultural development. Especially “dangerous” in this context is modernization, symbolizing the transition of society to a qualitatively different (modern) state. Poorly implemented modernization project, which occurs if it is inadequate to the sociocultural specifics of society, activates the inertial regime of sociocultural development, that happened in post-Soviet Russian society. Its diversified ethnocultural and regional landscape with a strong traditionalist c