Kola Superdeep Borehole
Nov. 23, 2024
Kola Superdeep Borehole - Wikipedia 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 Welsh Music Podcast | Podlediad Miwsig Cymreig on X: "In 1970,the Soviet Union scientific drilling project began at the Kola Superdeep Borehole on the Russian border with Norway. It's the deepest borehole Kola Superdeep Borehole