Exodus 19:18-20 And mount Sinai was altogether on a smoke, because the Lord descended upon it in fire: and the smoke there ascended as the smoke of a furnace, and the whole mount quaked greatly.

CKJV_Strongs⁽ⁱ⁾

18 H2022 And mount H5514 Sinai H6225 was altogether on a smoke, H6440 because H3068 the Lord H3381 descended H784 upon it in fire: H6227 and the smoke H5927 there ascended H6227 as the smoke H3536 of a furnace, H2022 and the whole mount H2729 quaked H3966 greatly.

19 H6963 And when the voice H7782 of the trumpet H6963 sounded H1980 long, H2390 and grew louder H3966 and louder, H4872 Moses H1696 spoke, H430 and God H6030 answered H6963 him by a voice.

20 H3068 And the Lord H3381 came down H2022 upon mount H5514 Sinai, H7218 on the top H2022 of the mount: H3068 and the Lord H7121 called H4872 Moses H413 up to H7218 the top H2022 of the mount; H4872 and Moses H5927 went up.