![Mamas A. Mamas on Twitter: "Dig yourself out of this hole ! 😳 The Kola Superdeep Borehole is result of a Russian scientific drilling project that reached 12,262 metres (40,230 ft and Mamas A. Mamas on Twitter: "Dig yourself out of this hole ! 😳 The Kola Superdeep Borehole is result of a Russian scientific drilling project that reached 12,262 metres (40,230 ft and](https://pbs.twimg.com/media/Dm_VeAoXgAEDJ2K.jpg)
Mamas A. Mamas on Twitter: "Dig yourself out of this hole ! 😳 The Kola Superdeep Borehole is result of a Russian scientific drilling project that reached 12,262 metres (40,230 ft and
![The Kola Superdeep Borehole runs about 40,230 feet (12,262 meters) or 7.6 miles (12.2 kilometers) into Earth's surface. For perspective, the hole's depth is the height of Mount Everest and Mount Fuji The Kola Superdeep Borehole runs about 40,230 feet (12,262 meters) or 7.6 miles (12.2 kilometers) into Earth's surface. For perspective, the hole's depth is the height of Mount Everest and Mount Fuji](https://i.redd.it/p4rmoeel20bb1.jpg)
The Kola Superdeep Borehole runs about 40,230 feet (12,262 meters) or 7.6 miles (12.2 kilometers) into Earth's surface. For perspective, the hole's depth is the height of Mount Everest and Mount Fuji
![The World on Twitter: "The Soviets drilled the world's deepest hole into the earth for 14 years: it's 12,262 meters (40,230 ft) deep. http://t.co/ieVFBb0oZQ" / Twitter The World on Twitter: "The Soviets drilled the world's deepest hole into the earth for 14 years: it's 12,262 meters (40,230 ft) deep. http://t.co/ieVFBb0oZQ" / Twitter](https://pbs.twimg.com/media/COFbf1DWwAAhgjl.jpg)
The World on Twitter: "The Soviets drilled the world's deepest hole into the earth for 14 years: it's 12,262 meters (40,230 ft) deep. http://t.co/ieVFBb0oZQ" / Twitter
Earth Observatory of Singapore - At just nine inches in diameter, the Kola Superdeep Borehole is the deepest hole that humans have ever dug. It took 20 years to drill to a
![Mamas A. Mamas on Twitter: "Dig yourself out of this hole ! 😳 The Kola Superdeep Borehole is result of a Russian scientific drilling project that reached 12,262 metres (40,230 ft and Mamas A. Mamas on Twitter: "Dig yourself out of this hole ! 😳 The Kola Superdeep Borehole is result of a Russian scientific drilling project that reached 12,262 metres (40,230 ft and](https://pbs.twimg.com/media/Dm_VdAwWsAYCPzb.jpg)
Mamas A. Mamas on Twitter: "Dig yourself out of this hole ! 😳 The Kola Superdeep Borehole is result of a Russian scientific drilling project that reached 12,262 metres (40,230 ft and
Earth Shaker - #DTF The deepest man-made hole is 12.3 kilometers deep! The Kola Superdeep Borehole is just about 22.9 cm in diameter, but the Soviets were able to drill down to
![History Then on Twitter: "Turning Back the Clock to: 1970. Engineers begin drilling the world's deepest hole. The Kola Superdeep Borehole had reached the unsurpassed depth of 12,262 meters (40,230 feet) before History Then on Twitter: "Turning Back the Clock to: 1970. Engineers begin drilling the world's deepest hole. The Kola Superdeep Borehole had reached the unsurpassed depth of 12,262 meters (40,230 feet) before](https://pbs.twimg.com/media/E2LF9b0XIAMwxe6.png)
History Then on Twitter: "Turning Back the Clock to: 1970. Engineers begin drilling the world's deepest hole. The Kola Superdeep Borehole had reached the unsurpassed depth of 12,262 meters (40,230 feet) before
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