Hello how may I help you? I need to know what the deepest point on earth is The Mariana Trench is the deepest point on Earth.\ Neat, how deep is it? It is 36,070 feet deep. Where is it located? it is located in the western Pacific Ocean. Who discovered it? I'm sorry I do not have record on who discovered it Thanks for all of your information. You were very helpful today! Thank you. Have a good day!