Αποτελέσματα Αναζήτησης
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 Earth,...
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...
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]
20 Οκτ 2023 · The Kola Superdeep Borehole runs about 40,230 feet (12,262 meters) or 7.6 miles (12.2 kilometers) into Earth's surface. For perspective, the hole's depth is the height of Mount Everest and Mount Fuji placed on top of one another.
4 Σεπ 2020 · CNN — video. A Russian TV crew flying over the Siberian tundra this summer spotted a massive crater 30 meters (100 feet) deep and 20 meters wide – striking in its size, symmetry and the explosive...
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.
2 Μαΐ 2019 · In the early 1970s, when satellites first began snapping photos of Earth, scientists noticed a mysterious hole in one of Antarctica's seasonal ice packs, floating on the Lazarev Sea. Come summertime the gap had disappeared, and for decades the strange event went unexplained.
