What will be the depth of hell?

Saidur Rahman: The depth of the Hell has come to the hadith, Hasan Basri (RA) said, 'Ubah bin Ghazwan stood at our pulpit and said that the Messenger of Allah (peace and blessings of Allah be upon him) said that a stone If it is left stranded, it will continue for seventy years but it will not be able to come to a fixed place. Muslim, 1612, Tirmidhi 2575
In another tradition, Abu Sa'id narrated that the Messenger of Allah (peace and blessings of Allah be upon him) said that there is a mountain in the fire called 'Saud'. The disbelievers will rise over it in seventy years and will fall in seventy years. Likewise, they will be there forever and will come. Tirmidhi 2576
Narrated by Abu Hurairah that he said, "The Messenger of Allah (peace and blessings of Allaah be upon him) said that on the Day of Resurrection a neck (head) will come out from Hell. It will have two spells with which he will see, there will be two ears with which he will listen and a tongue with which he will speak. He will say, I have been appointed for three types of people: (1) For every rebellious arrogant wrongdoer, (2) For Allah, who calls anything other than Allah and (3) For the creators of the picture. (Tirmidhi Hadith No. 2574)