Kola Superdeep Borehole - Wikipedia
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 …
Why Did the Russians Seal Up the Deepest Hole in the World?
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.
7 facts about the Kola Superdeep Borehole - Interesting Engineering
Jan 2, 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.
The deepest hole we have ever dug - BBC
May 6, 2019 · Rather than drill a very, very deep hole, the US expedition – observed by novelist John Steinbeck – decided to take a short cut through the Pacific Ocean floor off Guadalupe, Mexico.
Ask Smithsonian: What's the Deepest Hole Ever Dug?
Feb 19, 2015 · In 1970, Soviet geologists took on the challenge, setting their drills over the Kola Peninsula, which juts eastward out of the Scandinavian landmass. The Kola Superdeep Borehole was just 9 inches...
How Deep Is the Deepest Hole in the World? - Scientific American
Feb 22, 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.*
Welcome to The Deepest Hole on The Entire Planet
Aug 21, 2019 · In fact, this is the deepest hole we've ever dug into our planet. It's called the Kola Superdeep Borehole, and for once, it has nothing to do with extracting fossil fuels. The borehole exists purely for the wonderful science of it all.
The “Entrance To Hell” Is The Deepest Human-Made Hole
May 21, 2021 · Known as the Kola Superdeep Borehole, the ludicrously deep hole was located on the Kola Peninsula in the frosty depths of northwestern Russia, not far from the Russian border with Norway.
Kola Superdeep, The Deepest Hole in The World - Moss and Fog
Nov 14, 2023 · This small, rusted metal cap is all that marks the hole, the deepest one ever drilled into the planet. Today, the Kola Superdeep Borehole is capped, a small monument the only evidence of the mammoth structure that once stood there.
Kola Superdeep - EarthDate
Jun 12, 2021 · From 1970 to 1994, in the western Russian province of Murmansk, the Kola Superdeep Borehole drilled to the deepest point ever reached below Earth’s surface. Housed in this 27-story superstructure, it found high temperatures, gases, fractures, water, and Precambrian fossils, and changed some long-standing scientific hypotheses.