And the Lord GOD of hosts is he that toucheth the land, and it shall melt, and all that dwell therein shall mourn: and it shall rise up wholly like a flood; and shall be drowned, as by the flood of Egypt. The Lord God of hosts is he - So powerful is he that a touch of his hand shall melt or dissolve the land, and cause all its inhabitants to mourn. Here is still a reference to the earthquake. See the note Amos 8:8, where the same images are used.
Related Commentaries of Amos 9:5
Amos 9:5
5 And the Lord GOD of hosts is he that toucheth the land, and it shall melt, and all that dwell therein shall mourn: and it shall rise up wholly like a flood; and shall be drowned, as by the flood of Egypt.