John 12:29

The crowd of bystanders, who heard the sound, said that it was thundering. Others said: "An angel has been speaking to him."

Acts 23:8-9

(For Sadducees say there is no such thing as a resurrection, and that there is neither angel nor spirit, while Pharisees believe in both.)

Revelation 6:1

Then I saw the Lamb break one of the seven seals, and I heard one of the four Creatures crying with a voice like thunder--'Come.'

Revelation 8:5

Then the angel took the censer, and filled it with fire from the altar, and threw it down upon the earth; and there followed 'peals of thunder, cries, flashes of lightning,' and an earthquake.

Revelation 11:19

Then the Temple of God in Heaven was opened, and the Ark containing his Covenant was seen in his Temple; and there followed 'flashes of lightning, cries, peals of thunder,' an earthquake, and 'a great storm of hail.'

Revelation 14:2

And I heard a sound from Heaven, 'like the sound of many waters,' and like the sound of a loud peal of thunder; the sound that I heard was like the music of harpers playing on their harps.

Revelation 18:1-2

After this I saw another angel, descending from Heaven, invested with great authority; and the earth was illuminated by his splendor.

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 such thing as a resurrection, and that there is neither angel nor spirit, while Pharisees believe in both.)
Revelation 18:1
After this I saw another angel, descending from Heaven, invested with great authority; and the earth was illuminated by his splendor.