And as I observed, I heard an eagle flying overhead, calling in a loud voice, “Woe! Woe! Woe to those who dwell on the earth, because of the trumpet blasts about to be sounded by the remaining three angels!”
Observe, I. The first angel sounded the first trumpet, and the events which followed were very dismal: There followed hail and fire mingled with blood, etc., Rev 8:7. There was a terrible storm; but whether it is to be understood of a storm of heresies, a mixture of monstrous errors falling on the church (for in that age Arianism prevailed), or a storm or tempest...
Commenting on Revelation 8:7-13
And I beheld, and heard an angel flying through the midst of heaven,.... The Alexandrian copy, the Complutensian edition, the Vulgate Latin, Syriac, and Ethiopic versions, instead of "an angel", read "an eagle"; and to "fly" agrees with either of them, and the sense is the same let it be read either way; and this angel may design either Christ, or a created angel, or...
Verse 13. And I beheld. My attention was attracted by a new vision. And heard an angel flying, etc. I heard the voice of an angel making this proclamation. Woe, woe, woe. That is, there will be great woe. The repetition of the word is intensive, and the idea is, that the sounding of the three remaining trumpets would indicate great and fearful calamities.