John 12:29

So, the multitude that was standing by, and heard it, were saying - It hath, thundered. Others, were saying - A messenger, unto him, hath spoken.

Exodus 19:16

And it came to pass on the third day, when the morning had come, that there were thunderings and lightnings, and a heavy cloud upon the mount, and the sound of a horn, loud exceedingly, - and all the people who were in the camp trembled.

Exodus 20:18

And, all the people, were witnessing the voices and the torches, and the sound of the horn, and the mountain smoking, - so then the people were struck with awe and shrank back, and stood afar off.

Job 37:2-5

Hear! oh hear! the raging of his voice, A growling sound also, out of his mouth, goeth forth;

Job 40:9

But if, an arm like GOD, thou hast, and, with a voice like his, thou canst thunder,

Ezekiel 10:5

And the sound of the wings of the cherubim was heard, as far as the outer court, - like the voice of the Almighty GOD when he speaketh,

Acts 23:8-9

For, Sadducees, say, there is no rising again, nor messenger, nor spirit, whereas, Pharisees, confess them both.

Revelation 6:1

And I saw, when the Lamb opened one of the seven seals, and I heard one of the four living creatures saying, as with a voice of thunder - Go!

Revelation 8:5

And the messenger at once took the censer, and filled it from the fire of the altar, and cast unto the earth; and there came to be thunderings, and voices, and lightnings, and an earthquake.

Revelation 11:19

And the sanctuary of God which is in heaven, was opened, and the ark of his covenant in his sanctuary, appeared, and there came to be lightnings, and voices, and thunderings, and an earthquake, and great hail.

Revelation 14:2

And I heard a sound out of heaven, as the sound of many waters, and as the sound of, loud thunders; and, the sound which I heard, was as of harp-singers harping with their harps,

Revelation 18:1-2

After these things, I saw another messenger, coming down out of heaven, - having great authority; and, the earth, was illumined with his glory.

Treasury of Scripture Knowledge

Summary

The people therefore, that stood by, and heard it, said that it thundered: others said, An angel spake to him.

Bible References

An angel

Acts 23:8
For, Sadducees, say, there is no rising again, nor messenger, nor spirit, whereas, Pharisees, confess them both.
Revelation 18:1
After these things, I saw another messenger, coming down out of heaven, - having great authority; and, the earth, was illumined with his glory.