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21 Φεβ 2021 · What's True. The Kola Superdeep Borehole, a Soviet engineering project that occurred from the late 1960s to the early 1990s, is the deepest artificially created hole on Earth. Some of the...
The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
10 Νοε 2009 · Discover Kola Superdeep Borehole in Murmansk, Russia: The deepest hole drilled in the name of science, where evidence of Precambrian life was found.
20 Οκτ 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.
2 Ιαν 2024 · The Kola borehole reached 40,230 feet (12,262 meters) in 1989, making it the deepest human-made hole on Earth. As of 2023, it remains the deepest known hole created by human beings.
22 Ιουλ 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.
22 Φεβ 2020 · Known as the Kola Superdeep Borehole, the deepest hole ever dug reaches approximately 7.5 miles below the Earth’s surface (or 12,262 meters), a depth that took about 20 years to reach.*
