2 Peter 2:6

And turning the cities of Sodom and Gomorrah into ashes, condemned them with an overthrow, making them an example to those that afterwards should live ungodly lives.

Jude 1:7

Even as Sodom and Gomorrah, and the cities about them in like manner, giving themselves over to impurity, and going after strange flesh, are set forth for an example, suffering the vengeance of eternal fire.

Numbers 26:10

And the earth opened her mouth, and swallowed them up together with Korah, when that company died, when the fire devoured two hundred and fifty men: and they became a sign.

Deuteronomy 29:23

And that the whole land of it is brimstone, and salt, and burning, that it is not sown, nor doth it bear, nor doth any grass grow in it, like the overthrow of Sodom, and Gomorrah, Admah, and Zeboim, which the LORD overthrew in his anger and in his wrath:

Genesis 19:24-25

Then the LORD rained upon Sodom and upon Gomorrah brimstone and fire from the LORD out of heaven;

Luke 17:28-30

Likewise also as it was in the days of Lot: they ate, they drank, they bought, they sold, they planted, they built;

Genesis 19:28

And he looked towards Sodom and Gomorrah, and towards all the land of the plain, and beheld, and lo, the smoke of the country went up as the smoke of a furnace.

Isaiah 13:19

And Babylon, the glory of kingdoms, the beauty of the Chaldees' excellence, shall be as when God overthrew Sodom and Gomorrah.

Jeremiah 50:40

As God overthrew Sodom and Gomorrah and the neighboring cities, saith the LORD; so shall no man abide there, neither shall any son of man dwell therein.

Ezekiel 16:49-56

Behold, this was the iniquity of thy sister Sodom, pride, fullness of bread, and abundance of idleness was in her and in her daughters, neither did she strengthen the hand of the poor and needy.

Hosea 11:8

How shall I give thee up, Ephraim? how shall I deliver thee, Israel? how shall I make thee as Admah? how shall I set thee as Zeboim? my heart is turned within me, my repentings are kindled together.

Amos 4:11

I have overthrown some of you, as God overthrew Sodom and Gomorrah, and ye were as a fire-brand plucked out of the burning: yet have ye not returned to me, saith the LORD.

Zephaniah 2:9

Therefore as I live, saith the LORD of hosts, the God of Israel, Surely Moab shall be as Sodom, and the children of Ammon as Gomorrah, even the breeding of nettles, and salt-pits, and a perpetual desolation: the residue of my people shall lay them waste, and the remnant of my people shall possess them.

1 Corinthians 10:11

Now all these things happened to them for examples: and they are written for our admonition, upon whom the ends of the world are come.

Jude 1:15

To execute judgment upon all, and to convict all that are ungodly among them of all their ungodly deeds which they have impiously committed, and of all their hard speeches which ungodly sinners have spoken against him.

Treasury of Scripture Knowledge

Summary

And turning the cities of Sodom and Gomorrha into ashes condemned them with an overthrow, making them an ensample unto those that after should live ungodly;

Bible References

Turning

Genesis 19:24
Then the LORD rained upon Sodom and upon Gomorrah brimstone and fire from the LORD out of heaven;
Deuteronomy 29:23
And that the whole land of it is brimstone, and salt, and burning, that it is not sown, nor doth it bear, nor doth any grass grow in it, like the overthrow of Sodom, and Gomorrah, Admah, and Zeboim, which the LORD overthrew in his anger and in his wrath:
Isaiah 13:19
And Babylon, the glory of kingdoms, the beauty of the Chaldees' excellence, shall be as when God overthrew Sodom and Gomorrah.
Jeremiah 50:40
As God overthrew Sodom and Gomorrah and the neighboring cities, saith the LORD; so shall no man abide there, neither shall any son of man dwell therein.
Ezekiel 16:49
Behold, this was the iniquity of thy sister Sodom, pride, fullness of bread, and abundance of idleness was in her and in her daughters, neither did she strengthen the hand of the poor and needy.
Hosea 11:8
How shall I give thee up, Ephraim? how shall I deliver thee, Israel? how shall I make thee as Admah? how shall I set thee as Zeboim? my heart is turned within me, my repentings are kindled together.
Amos 4:11
I have overthrown some of you, as God overthrew Sodom and Gomorrah, and ye were as a fire-brand plucked out of the burning: yet have ye not returned to me, saith the LORD.
Zephaniah 2:9
Therefore as I live, saith the LORD of hosts, the God of Israel, Surely Moab shall be as Sodom, and the children of Ammon as Gomorrah, even the breeding of nettles, and salt-pits, and a perpetual desolation: the residue of my people shall lay them waste, and the remnant of my people shall possess them.
Luke 17:28
Likewise also as it was in the days of Lot: they ate, they drank, they bought, they sold, they planted, they built;
Jude 1:7
Even as Sodom and Gomorrah, and the cities about them in like manner, giving themselves over to impurity, and going after strange flesh, are set forth for an example, suffering the vengeance of eternal fire.

Making

Numbers 26:10
And the earth opened her mouth, and swallowed them up together with Korah, when that company died, when the fire devoured two hundred and fifty men: and they became a sign.
Deuteronomy 29:23
And that the whole land of it is brimstone, and salt, and burning, that it is not sown, nor doth it bear, nor doth any grass grow in it, like the overthrow of Sodom, and Gomorrah, Admah, and Zeboim, which the LORD overthrew in his anger and in his wrath:
1 Corinthians 10:11
Now all these things happened to them for examples: and they are written for our admonition, upon whom the ends of the world are come.

General references

Joshua 22:20
Did not Achan the son of Zerah commit a trespass in the accursed thing, and wrath fall on all the congregation of Israel? and that man perished not alone in his iniquity.
Jeremiah 50:40
As God overthrew Sodom and Gomorrah and the neighboring cities, saith the LORD; so shall no man abide there, neither shall any son of man dwell therein.
Luke 17:29
But the same day that Lot went out of Sodom, it rained fire and brimstone from heaven, and destroyed them all:
Luke 19:40
And he answered and said to them, I tell you, that if these should hold their peace, the stones would immediately cry out.