This Graph Showing The Depth Of The Ocean Will Blow Your Mind By Ashley Lutz Jun 11, 2012, 6:22 AM PT ...

This rift in the Caribbean seafloor plunges to a depth of more than 5000 metres below sea level. It contains the world's deepest chain of undersea volcanoes, which have yet to be explored.

In Caribbean, researchers exploring world's deepest known undersea vents in sunless trench Associated Press Published February 27, 2013 1:49pm EST | Updated January 13, 2015 12:05pm EST Facebook ...