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...
16 Δεκ 2022 · The surface layer, known as the crust, is so thick that there’s no known cavity that burrows through it to reach what’s beneath, but there’s certainly plenty of holes that reach far down to ...
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...
20 Οκτ 2023 · The Kola Superdeep Borehole in Russia is the deepest hole in the world. It's deeper than the Mariana Trench and deeper than Mt. Everest is tall. Why did the Russians dig this deep, and why did they stop?
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]
24 Μαΐ 2024 · The heavenly pits are some of the largest sinkholes in the world — in particular Xiaozhai Tiankeng, located in Fengjie County in southern-central China, which is the deepest sinkhole on Earth.
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.
