Exodus 19:16

19:16 On the third day in the morning there was thunder and lightning and a dense cloud on the mountain, and the sound of a very loud horn; all the people who were in the camp trembled.

Exodus 20:18

20:18 All the people were seeing the thundering and the lightning, and heard the sound of the horn, and saw the mountain smoking – and when the people saw it they trembled with fear and kept their distance.

Numbers 10:4

10:4 “But if they blow with one trumpet, then the leaders, the heads of the thousands of Israel, must come to you.

Isaiah 18:3

18:3 All you who live in the world,

who reside on the earth,

you will see a signal flag raised on the mountains;

you will hear a trumpet being blown.

Isaiah 27:13

27:13 At that time a large trumpet will be blown, and the ones lost in the land of Assyria will come, as well as the refugees in the land of Egypt. They will worship the Lord on the holy mountain in Jerusalem.

Ezekiel 33:3

33:3 He sees the sword coming against the land, blows the trumpet, and warns the people,

Ezekiel 33:6

33:6 But suppose the watchman sees the sword coming and does not blow the trumpet to warn the people. Then the sword comes and takes one of their lives. He is swept away for his iniquity, but I will hold the watchman accountable for that person’s death.’

Zechariah 9:14

9:14 Then the Lord will appear above them, and his arrow will shoot forth like lightning; the Lord God will blow the trumpet and will sally forth on the southern storm winds.

Revelation 8:2

8:2 Then I saw the seven angels who stand before God, and seven trumpets were given to them.

Revelation 8:13

8:13 Then I looked, and I heard an eagle flying directly overhead, proclaiming with a loud voice, “Woe! Woe! Woe to those who live on the earth because of the remaining sounds of the trumpets of the three angels who are about to blow them!”

Revelation 9:13-14

9:13 Then the sixth angel blew his trumpet, and I heard a single voice coming from the horns on the golden altar that is before God, 9:14 saying to the sixth angel, the one holding the trumpet, “Set free the four angels who are bound at the great river Euphrates!”