Is the blue hole deeper than the Mariana Trench?
The Soviet borehole was dug by scientists in an attempt to find out what’s really beneath our feet. It’s even deeper than the Mariana Trench, the deepest natural trench in the world at 36,037 feet down.
What are the 3 deepest oceans in the world?
The press release stated that they planned to dive the Mariana Trench (Pacific Ocean, 11,033 m), Molloy Deep (Arctic Ocean, 5608 m), Puerto Rico Trench (Atlantic Ocean, 8605 m), South Sandwich Trench (Southern Ocean, 7235 m) and the Diamantina Trench (Indian Ocean, 8047 m).
Has anyone been to Mariana Trench?
On 23 January 1960, two explorers, US navy lieutenant Don Walsh and Swiss engineer Jacques Piccard, became the first people to dive 11km (seven miles) to the bottom of the Mariana Trench.
What country is the deepest sinkhole in the world?
Sinkholes of China
- Dragon Hole – the deepest underwater sinkhole (blue hole), located in the Drummond Island reef of the Paracel Islands in the South China Sea.
- Xiaozhai Tiankeng – the deepest sinkhole in the world (over 2,100 feet), located in Fenjie Count of Chongqing Municipality.
Whats at the bottom of the Blue Hole?
The culprit was a thick layer of toxic hydrogen sulfide spanning the width of the entire sinkhole like a floating blanket. Erika Bergman: Underneath that there’s no oxygen, no life, and down there we found conchs and conch shells and hermit crabs that had fallen into the hole and suffocated, really.
Which is deepest sea?
The new survey has shown that the deepest point of the trench is Meteor Deep at 8265 m and is located within the waters of the Atlantic Ocean….Five deepest points of the world’s oceans.
| Name | Challenger Deep |
|---|---|
| Approx depth in metres | 10 924 |
| Ocean | Pacific |
| Trench | Mariana |
| Location | 11.369°N/142.587°E |