Proclaim in the palaces at Ashdod, And in the palaces in the land of Egypt, And say, "Assemble yourselves on the mountains of Samaria, And see what unrest is in her, And what oppression is among them."
Interesting that he is saying that, "God is not gonna work, God is not gonna move, God is not gonna judge, except He reveals it to His prophets." So before the judgment came, the prophets were warning the people that God was going to judge.