And the great city split into three parts, and the cities of the nations fell; and Babylon the Great was remembered in the sight of God, to give her the cup of the wine of the anger of his wrath.

Revelation 16:18-

This blockbuster shaking will shatter “the great city,” Babylon the Great, so that it splits into “three parts”​—symbolic of its collapse into unredeemable ruin. Also, “the cities of the nations” will fall.