Jamieson, Fausset and Brown on Isaiah 5:25

25. anger ... kindled--(2Ki 22:13, 17).

hills ... tremble--This probably fixes the date of this chapter, as it refers to the earthquake in the days of Uzziah (Am 1:1; Zec 14:5). The earth trembled as if conscious of the presence of God (Jr 4:24; Ha 3:6).

torn--rather, were as dung (Psa 83:10).

For all this, &c.--This burden of the prophet's strains, with dirge-like monotony, is repeated at Is 9:12, 17, 21; 10:4. With all the past calamities, still heavier judgments are impending; which he specifies in the rest of the chapter (Le 26:14, &c.).