2 Peter 2:6

and if he condemned the cities of Sodom and Gomorrah to destruction by reducing them to ashes, having made them an example to those who would live ungodly thereafter;

Jude 1:7

just as Sodom and Gomorrah and the surrounding cities, which likewise acted immorally and indulged in strange flesh, serve as an example by undergoing a punishment of eternal fire.

Luke 17:28-30

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

1 Corinthians 10:11

Now these things happened to them as an example, and they were written down for our instruction, upon whom the ends of the ages have come.

Jude 1:15

to execute judgment on all, and to convict all the ungodly of all their ungodly deeds which they have done in an ungodly way, and of all the harsh things 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;

General references

Bible References

Turning

Luke 17:28
Likewise as it was in the days of Lot: they ate, they drank, they bought, they sold, they planted, they built;
Jude 1:7
just as Sodom and Gomorrah and the surrounding cities, which likewise acted immorally and indulged in strange flesh, serve as an example by undergoing a punishment of eternal fire.

Making

1 Corinthians 10:11
Now these things happened to them as an example, and they were written down for our instruction, upon whom the ends of the ages have come.

General references

Luke 17:29
but on the day when Lot went out from Sodom fire and sulfur rained from heaven and destroyed them all.
Luke 19:40
He answered, "I tell you, if these keep silent, the stones would cry out."