2 Peter 2:6

and having destroyed the cities of Sodom and Gomorrah, with a catastrophe he condemned them, having put them forth as an example to those about to be ungodly:

Jude 1:7

as Sodom and Gomorrah and the cities about them, in a manner like unto them committing fornication, and going after other flesh, present an example receiving the vengeance of eternal fire.

Luke 17:28-30

Likewise also as it was in the days of Lot; they were eating, they were drinking, they were buying, they were selling, they were planting, they were building;

1 Corinthians 10:11

But these things happened unto them as examples; and were written for our admonition, on whom the ends of the ages have descended.

Jude 1:15

to execute judgment against all, and to convict all the ungodly of them for all the works of their ungodliness which they have impiously done, and for all their hard speeches which they have spoken against him, being ungodly sinners.

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;

General references

Bible References

Turning

Luke 17:28
Likewise also as it was in the days of Lot; they were eating, they were drinking, they were buying, they were selling, they were planting, they were building;
Jude 1:7
as Sodom and Gomorrah and the cities about them, in a manner like unto them committing fornication, and going after other flesh, present an example receiving the vengeance of eternal fire.

Making

1 Corinthians 10:11
But these things happened unto them as examples; and were written for our admonition, on whom the ends of the ages have descended.

General references

Luke 17:29
and on the day on which Lot went out from Sodom, fire and brimstone rained from heaven and destroyed them all.
Luke 19:40
and He responding said to them, I say unto you, that if these may keep silent, the rocks will cry out.