Αποτελέσματα Αναζήτησης
20 Οκτ 2023 · The small blue-and-white cap seen surrounded by rubble is all that seals the Kola Superdeep Borehole, which extends 40,230 feet (12,262 meters) deep. Wikimedia/ (CC BY-SA 4.0) Key Takeaways. 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 ...
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]
4 Αυγ 2023 · In 2022, scientists discovered a 630-foot-deep (192 meters) sinkhole containing an ancient forest and dense overgrowth in southern China. Here are some of the biggest known sinkholes on...
Deep in China's Fengjie County lies a natural wonder that has fascinated experts for decades. The Xiaozhai Tiankeng sinkhole is vast. Probably formed centuries ago by collapsing caves and...
In the winter ice crusting over the Antarctic Weddell Sea, near a submerged peak named Maud Rise, a huge hole sometimes opens and gapes, exposing the dark, cold waters below. First spotted in 1974, it doesn't appear every year, leading scientists to wonder about the specific conditions needed to produce it.
21 Μαΐ 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.
4 Σεπ 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.
