Exodus 19:18
18Now Mount Sinai was completely covered with smoke because the Lord had descended on it in fire, and its smoke went up like the smoke of a great furnace, ▼▼ The image is that of a large kiln, as in
Gen 19:28.
and the whole mountain shook ▼▼ This is the same word translated “trembled” above (v.
16).
violently.