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May 21, 2021 · The borehole itself was actually made up of numerous holes that branch off from a central hole, the deepest of which — SG-3 — runs 12,261 meters (40,226 feet) deep into Earth’s crust.
- Tom Hale
Jan 9, 2014 · For more than 20 years, the world’s deepest hole could be found on Russia’s Kola peninsula, boring 40,000 feet down into the Earth’s crust. In recent years, though, the Kola Superdeep ...
Oct 20, 2023 · The Kola Superdeep Borehole, located in Russia, is the world's deepest man-made hole, reaching a depth of 40,230 feet (12,262 meters) or 7.6 miles (12.2 kilometers), surpassing the depth of the Mariana Trench and the height of Mount Everest.
Mar 13, 2015 · Ever since last July, when a Russian YouTube user uploaded “ Giant Hole in the Ground ,” a thirty-four-second video of, well, a giant hole in the ground—about two hundred and fifty feet...
