John 12:29

Then the crowd, having stood and heard, said it was thunder: others said, A messenger has spoken to him.

Exodus 19:16

And it shall be in the third day, it being in the morning, and there shall be voices, and lightnings, and a heavy cloud upon the mount, and the voice of the trumpet exceedingly strong; and all the people in the camp will tremble.

Exodus 20:18

And all the people saw the voices and the flames, and the voice of the trumpet, and the mountain smoking: and the people feared, and they will shake, and they will stand from far off.

Job 37:2-5

Hearing, hear ye, to the noise of his voice, and the growling going out from his mouth.

Job 40:9

And if an arm to thee as God? and with thy voice wilt thou thunder as he?

Ezekiel 10:5

And the voice of the wings of the cherubs was heard, even to the enclosure without, as the voice to the Almighty in his speaking.

Acts 23:8-9

For truly the Sadducees say there is no rising up, neither messenger, nor spirit: and the Pharisees acknowledge both.

Revelation 6:1

And I saw when the Lamb opened one of the seals, and I heard one of the four living creatures saying, as the voice of thunder, Come and see.

Revelation 8:5

And the angel took the censer, and filled it from the fire of the altar, and cast into the earth: and there were voices, and thunders, and lightnings, and an earthquake.

Revelation 11:19

And the temple of God was opened in heaven, and the ark of his covenant was seen in his temple: and there were lightnings, and voices, and thunders, and shakings, and great hail.

Revelation 14:2

And I heard a voice from heaven, as the voice of many waters, and as the voice of great thunder: and I heard the voice of harp-players playing on their harps:

Revelation 18:1-2

And after these things I saw another angel coming down from heaven, having great power; and the earth was enlightened from 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 truly the Sadducees say there is no rising up, neither messenger, nor spirit: and the Pharisees acknowledge both.
Revelation 18:1
And after these things I saw another angel coming down from heaven, having great power; and the earth was enlightened from his glory.