Jamieson, Fausset and Brown on Isaiah 1:7

7. Judah had not in Uzziah's reign recovered from the ravages of the Syrians in Joash's reign (2Ch 24:24), and of Israel in Amaziah's reign (2Ch 25:13, 23, &c.). Compare Isaiah's contemporary (Am 4:6-11), where, as here (Is 1:9, 10), Israel is compared to "Sodom and Gomorrah," because of the judgments on it by "fire."

in your presence--before your eyes: without your being able to prevent them.

desolate, &c.--literally, "there is desolation, such as one might look for from foreign" invaders.