Earlier quoted context omitted.
There's obvious differences between the Oceangate sub and this (1 atm difference, this is a thinner steel(?) railroad tanker not a sub), but I think it effectively demonstrates how violent and quick an implosion would be: https://www.youtube.com/watch?v=Zz95_VvTxZM Video contents: An experiment where the vacuum safety valves were removed from an oil tanker railroad car, and a vacuum was placed inside the car, resulti…
Interesting a commenter on the video notes the pressure there is equivalent to only 10 meters underwater. Imagine the force 2 miles below
"almost 4000 meters of water" is "almost 400 atmospheres". About 2.7 tons per square inch. I find that that absolutely unimaginable. - I can't find any equivalence that my brain can make sense of.