What does Amos 9:8 mean?

Look, the Lord God is watching this sinful kingdom, and he's going to wipe it off the map. But I won't completely destroy the family of Jacob, says the Lord. Amos 9:8 - Modern Text Bible

(God is about to judge Israel for its sin, but he promises not to wipe out his people entirely. There's judgment, but also a hint of mercy.)