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Jan 9, 2014 · Lotte Geeven traveled to a super-deep hole to record what Earth sounds like from 30,000 feet below. 1 / 5. lotte-seismograph. The seismograph recording the rumblings of Earth. Image: Lotte...
The Kola Superdeep Borehole ( Russian: Кольская сверхглубокая скважина, romanized : Kol'skaya sverkhglubokaya skvazhina) SG-3 [a] is the result of a scientific drilling project of the Soviet Union in the Pechengsky District, near the Russian border with Norway, on the Kola Peninsula. The project attempted to drill ...
- 1995
- Pechengsky District
- 1965
- Murmansk Oblast
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.
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.
