As Amos had threatened that nowhere should the Israelites be safe from the divine judgments, he here shows God’s omnipotent ability to execute His threats. So in the case of the threat in Amo 8:8, God is here stated to be the first cause of the mourning of “all that dwell” in the land, and of its rising “like a flood, and of its being “drowned, as by the flood of Egypt.”