In article ,
Gogarty wrote:

I would like to know more about the underwater topography there. I understand
the ship is resting on a ledge a couple of hundred feet down but is in danger
of slipping off and falling into the abyss. How deep is that?

It's in the med for cryinoutload, not the Mariana Trench. According to
my atlas (I don't have Mediterranean charts) it's about 600 feet.