A drilling rig company was drilling into the earth and hit was thought to be an open cavern.
They lowered down a microphone that was used to record the earths lower plates movement.
Later, when they listened to the recordings, the drillers and scientists were shocked to hear human screaming.
Here's a copy of that recording. You be the judge of what you hear, and what your conclusions are.
https://www.av1611.org/sound/misc/hell_sounds_video.mp4