Hello how may I help you? What is the deepest point on earth? The deepest known point on earth is the Marianas trench how deep is it? The exact depth has not yet been measured due to technological limitations. The deepest we have ,measure is 12 miles below sea level Has anyone traveled there? Humans cannot yet reach that depth, but scientists continue to explore further Cool Thanks. Happy to help. Is there anything else I can assist you with? Nope. That's it. Have a great day