Kola Superdeep Borehole Welded Shut
Nov. 23, 2024
Sporcle - The the Kola Superdeep Borehole in Russia is the world's deepest hole, though it has since been welded shut. It is 7.5 miles deep, but interestingly, only 9 inches wide. The deepest hole we have ever dug The deepest man made hole in the world, at 12,226 meters (40,011 feet) welded shut in the Kola Peninsula in the middle of nowhere in Western Russia, 2017. : r/pics Interesting Engineering on Instagram: "The Kola Superdeep Borehole was the Soviet Union's attempt to explore the depths of the Earth's crust in the 1970s. It followed a decade of other nations, like 7 facts about the Kola Superdeep Borehole The World's Deepest Hole Is Covered By Nothing But A 'Rusty Lid' | Kola Superdeep Borehole Welded Shut