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?
2023年10月20日 · 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.
Deepest Hole On Earth Permanently Sealed After 2 Billion Year …
Reaching a depth of 12,262 meters (40,230 feet), it remains the deepest man-made hole on Earth to this day. Originally intended as a scientific exploration of the Earth’s crust, the project...
7 facts about the Kola Superdeep Borehole - Interesting Engineering
2024年1月2日 · 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 “Entrance To Hell” Is The Deepest Human-Made Hole
2021年5月21日 · 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.
The deepest hole we have ever dug - BBC
2019年5月6日 · According to some, this is the entrance to hell. This is the Kola Superdeep Borehole, the deepest manmade hole on Earth and deepest artificial point on Earth. The 40,230ft-deep (12.2km)...
Kola Superdeep, The Deepest Hole in The World - Moss and Fog
2023年11月14日 · 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.
Welcome to The Deepest Place on Earth - ScienceAlert
2016年7月22日 · 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.
What Is The Kola Super Deep Borehole? - WorldAtlas
2017年5月11日 · The Kola Superdeep Borehole is the deepest borehole in the world. It resulted from a scientific drilling by the Russians on the Kola Peninsula between May 1970 and 1992. The borehole consists of several holes that branch from the central hole - the SG-3 is the deepest hole with a depth of 9.3 miles and a diameter of nine inches.
How Deep Is the Deepest Hole in the World? - Scientific American
2020年2月22日 · 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.*