Challenger deep has been sounded multiple times to get a precise depth.
Challenger deep floor.
The challenger deep is a relatively small slot shaped depression in the bottom of a considerably larger crescent shaped oceanic trench which itself is an unusually deep feature in the ocean floor.
Deepsea challenger dcv 1 is a 7 3 metre 24 ft deep diving submersible designed to reach the bottom of challenger deep the deepest known point on earth on 26 march 2012 canadian film director james cameron piloted the craft to accomplish this goal in the second manned dive reaching the challenger deep.
Learn more about the mariana trench and challenger deep located on the pacific floor.
Unlike his predecessors it only took the director about two and a half hours to descend the nearly seven miles to challenger deep.
Also in contrast to the previous manned expedition to challenger deep cameron s vessel was equipped with arms to take samples from the ocean floor as well as 3 d video cameras.
He recorded his trip in 3 d.
It covers more than 300 106 km2 and constitutes c 63 of.
The deepest place in the world.
It took 7 years of preparation for his dive.
Built in sydney australia by the research and design company acheron project pty ltd.
By geoffrey migiro on july 29 2019 in world facts.
The floor of the ocean where they descended to was 35 838 feet deep.
It was on march 27 2012.
The challenger deep in the mariana trench is the deepest point in the ocean.