George Haydock's Catholic Commentary
Psalms 82:15
Mountains. The prayer or prediction was not in vain. The enemies of Josaphat, (2 Paralipomenon xx. 11, 24.; Calmet) and of David, &c., were destroyed. (Haydock) --- The trees on the mountains, (Menochius) or the mountain itself, might burn like Etna and Vesuvius. (Genebrard) --- The destruction of the wicked is thus described. (Worthington)