I do plan a deeper study on this as soon as my time permits.
(Here's the blog post: https://angeliawbrown.wixsite.com/ghostmind/post/a-physical-location-of-the-abyss-bottomless-pit )
https://en.m.wikipedia.org/wiki/Abyssal_zone
https://www.britannica.com/science/abyssal-zone
https://www.nsf.gov/news/news_summ.jsp?cntn_id=114913
https://www.nsf.gov/news/news_summ.jsp?cntn_id=131038
The Midnight Ride talks about the meaning of the "Deep" which is related to this information:
https://angeliawbrown.wixsite.com/ghostmind/forum/demonology/lucifer-the-goddess-returns-midnight-ri
