Such is not the case. Far from being a 'fiery inferno', the temperature increased by one degree Celsius every 100 metres to 3,000 metres, then by 2.5 degrees every 100 metres thereafter. It is obvious what this story is trying to imply. Such is not the case. Far from being a 'fiery inferno', the temperature increased by one degree Celsius every 100 metres to 3,000 metres, then by 2.5 degrees every 100 metres thereafter.
Similar mythologies crop up from time to time.
They probably grow beyond recognition in the telling, and are passed on by well-meaning Christians who, like us, believe in the full truth of the Word of God concerning such matters as final judgment. However, the Bible neither teaches that the earth is flat, nor that it is stationary, nor indeed hollow. Neither does it teach that by drilling into it one may gain a peephole into Hell. A myth is usually based on a nucleus of truth. In this case, the 'inferno' idea may have come from the fact that geologists expected the one degree per 100 metres rate to continue far deeper, hence the temperature was indeed 'hotter than expected'.