Exodus 19:16

16On the morning of the athird day there were bthunders and lightnings and ca thick cloud on the mountain and a very loud dtrumpet blast, so that all the people in the camp etrembled.

Exodus 20:18

18Now when all the people saw fthe thunder and the flashes of lightning and the sound of the trumpet and the mountain smoking, the people were afraid
Samaritan, Septuagint, Syriac, Vulgate; Masoretic Text  the people saw
and trembled, and they stood far off

Deuteronomy 32:1

1“Give ear, hO heavens, and I will speak,
and let ithe earth hear the words of my mouth.
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