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What is the deepest hole in the world 2024?

Mia Johnson | 2023-05-12 08:08:31 | page views：1424
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Mia Roberts

Studied at Stanford University, Lives in Palo Alto, CA
The Kola Superdeep Borehole was just 9 inches in diameter, but at 40,230 feet (12,262 meters) reigns as the deepest hole. It took almost 20 years to reach that 7.5-mile depth--only half the distance or less to the mantle.
2023-05-21 08:08:31
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Benjamin Hayes

QuesHub.com delivers expert answers and knowledge to you.
The Kola Superdeep Borehole was just 9 inches in diameter, but at 40,230 feet (12,262 meters) reigns as the deepest hole. It took almost 20 years to reach that 7.5-mile depth--only half the distance or less to the mantle.
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