Thou didst execute judgment upon thine enemies by an angel sent from heaven; which is said to be heard, either because that was accompanied with terrible thunders and earthquakes, which was not unusual in the descent of an angel, as Matthew 28:2, and elsewhere; or because the fame of it was quickly spread abroad in the land, and in the world. The effect of this terrible judgment was, that the rest of the world were afraid to invade or disturb the land and people of Israel, and chose rather to sit still in their own territories.
Related Commentaries of Psalms 76:8
Psalms 76:8
8 Thou didst cause judgment to be heard from heaven; the earth feared, and was still,