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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. The drilling project, initiated by the Soviets in 1970, revealed unexpected findings such as the absence ...
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
Sep 4, 2020 · The dramatic 30-meter (100-feet) deep hole in Western Siberia is the latest of several to have formed in the region since 2014. Scientists think the craters are formed by an explosive buildup of ...
Nov 10, 2009 · The deepest hole is called “SG-3,” and though just nine inches in diameter, it extends down a staggering 7.5 miles. That’s roughly a third of the way through the Baltic continental crust.
Jul 22, 2016 · Lying below a small, nondescript rusty cap in Murmansk, Russia, is the deepest hole ever drilled, reaching a whopping 12 kilometres (7.5 miles) into the Earth's crust. Known as the Kola Superdeep Borehole, the human-made hole seems like it should be leftover from a failed oil well, but it's actually the result of over 20 years of Cold War ...
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 ...
That hole, which was around 66ft (20m) wide and up to 171ft (52m) deep, was discovered by helicopter pilots passing overhead in 2014, around 26 miles (42km) from the Bovanenkovo gas field on the ...
