Punishment in islam for having sex before marriage?

The prophet may peace be upon him said that
poeple who commit zina will be punished in hell
'Premarital or extramarital sex - known
as Zina is a major sin in Islam! Allah (swt) warns
Muslims not to even come near it and describes
it as “an abomination and an evil way.”Holy
Quran (17:32)
According to a Hadith it is also considered one
of the worst sins in the eyes of Allah (swt).
The Holy Prophet related a dream in which he
saw a number of sinners were being punished.
The Prophet said: “…We proceeded until we
came across a hole in the ground that resembled
a baking pit, narrow at the top and wide
at the bottom. Babbling and voices were issuing
from it. We looked in and saw naked men and
women. Underneath the pit was a raging
fire;whenever it flared up, the men and women
screamed and rose with it until they almost fell
out of the pit. As it subsided, they returned (to
the bottom). I said: ‘Who are these?’ They said:
‘…The naked men and women who were in the
pit, they are men and women who indulge in
Zina…” (Bukhari)
It is such a serious offence that all things that
lead to Zina, such as being alone
with a member of the opposite sex who you’re
not related to is also forbidden in Islam.
The reason why it’s forbidden in Islam is coz of
the major problems that it can bring into society
such as illegitimate children, spread of disease,
increase in divorce rate, spread of crime, children
not being brought up or cared for properly and
ultimately the break down of the family unit. '
We ask Allah Most High to protect us from the
evil of zina Ameen, ..