Hebrews 12:21

and so terrible was the appearance that Moses said, I exceedingly fear and tremble:)

Hebrews 12:18-19

Ye are not come to a tangible mountain, and burning fire, and a thick cloud, and darkness, and tempest,

Revelation 4:1

After these things I saw, and behold, a door opened in heaven; and the first voice which I heard was as of a trumpet speaking to me; and it said, Come up hither, and I will shew thee things which must come to pass hereafter.

Revelation 4:5

And out of the throne came lightnings, and thunders, and voices: and there were seven lamps of fire burning before the throne; which are the seven spirits of God.

Revelation 8:5

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

Revelation 11:19

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

Revelation 1:10

Here I was in the Spirit on the Lord's-day: and heard behind me a loud voice, as of a trumpet,

Treasury of Scripture Knowledge

Summary

And it came to pass on the third day in the morning, that there were thunders and lightnings, and a thick cloud upon the mount, and the voice of the trumpet exceeding loud; so that all the people that was in the camp trembled.

All the people

Bible References

Thunders

Hebrews 12:18
Ye are not come to a tangible mountain, and burning fire, and a thick cloud, and darkness, and tempest,
Revelation 4:5
And out of the throne came lightnings, and thunders, and voices: and there were seven lamps of fire burning before the throne; which are the seven spirits of God.
Revelation 8:5
And the angel took the censer, and filled it with fire of the altar, and cast it upon the earth: and there were voices, and thunders, and lightnings, and an earthquake.
Revelation 11:19
And the temple of God in heaven was opened, and the ark of his covenant was seen in his temple: and there were lightnings, and voices, and thunderings, and an earthquake, and great hail.

All the people

Hebrews 12:21
and so terrible was the appearance that Moses said, I exceedingly fear and tremble:)