Deepest hole in india wikipedia July 2022), [1] [2] or the Tanaru Indian (Portuguese: Índio Tanaru), [3] was an indigenous person who lived alone in the Amazon rainforest in the Brazilian state of Rondônia. It is 12,262m deep, which is 1% of the distance from Earth's center. They are deep enough that the hole becomes hot from the mantle and provides heat to the thin Martian atmosphere. It is 407 feet (124 m) deep, with a Jan 20, 2023 · Kola well’s derrick in 1980: still the world’s deepest hole. India and Africa were part of the Gondwana. [1] Sonar mapping of the Challenger Deep by the DSSV Pressure Drop employing a Kongsberg SIMRAD EM124 multibeam echosounder system (26 April – 4 May 2019). The Borra Caves (Borrā Guhalu) are located on the East Coast of India, in the Ananthagiri hills of the Araku Valley (with hill ranges' elevation varying from 800 to 1,300 m (2,600 to 4,300 ft)) of the Alluri Sitharama Raju district in Andhra Pradesh. Navy Lieutenant Don Walsh first reached Challenger Deep in 1960 aboard the bathyscaphe Trieste , followed by filmmaker James Cameron in 2012 aboard Deepsea Challenger . The gravity anomaly, or "gravity hole", is centered southwest of Sri Lanka and Kanyakumari, the southernmost tip of mainland India, and east of the Horn of Africa. The stated areas of study were the deep structure of the Baltic Shield, seismic discontinuities and the thermal regime in the Earth's crust, the physical and chemical composition of the deep crust and the transition from upper to lower crust, lithospheric geophysics, and to create and develop technologies for deep geophysical study. As of 2023, it remains the deepest known hole created by human beings. A number of surviving significant stepwells in India: can be found across India, including in Rajasthan, Gujarat, Delhi, Madhya Pradesh, Maharashtra, and North Karnataka . 89 metres (987. 12 IBM Rear Arc, Expedition 350, Hole U1437E Shallowest water depth: 98 321 0. Today plugged and abandoned, it was originally drilled by the Lone Star Producing Company as its oil-exploratory hole number 1–27 between October 25, 1972 and April 13, 1974, reaching a then world record terminal depth of 31,441 feet (5. [4] However, people ignored the warnings and continued to explore the place. Pages in category "Deepest boreholes" Apr 29, 2024 · That's 480 feet (146 m) deeper than scientists initially documented when they first discovered the blue hole in 2021, and 390 feet (119 m) deeper than the previous record holder — the 990-foot WikiConference India is a Wikipedia conference first hosted in India in 2011. The Dordrecht Deep is located in the Diamantina Trench southwest of Perth, Western Australia. The deepest point is 264 m below datum at a depth of 205 m by multibeam sonar measurement from the Sunfish underwater survey drone. Dragon Hole, also known as Yongle Blue Hole (Traditional chinese:永樂藍洞) after the third Ming emperor, Yongle, was the deepest known blue hole in the world at 300. How deep is the gravity hole at the bottom of the Indian Ocean? The depth of the gravity hole at the bottom of the Indian Ocean is not precisely known. The new facility, the Big Hole Kimberley, and its theme of "Diamonds and Destiny", was expected to double visitor numbers to the Big Hole. 61 miles) in 1989. The well is typically cased from the surface down into the smaller hole with a casing that is the same diameter as that hole. [2] It became the deepest known cave in the world in 2003 when the Ukrainian Speleological Association reached a depth of 1,910 m (6,270 ft). The aim was to dig as deep as one could dig. Mar 3, 2024 · The deepest artificially dug hole on Earth is the Kola Superdeep Borehole SG-3 which was dug at 12. Lonar Lake, also known as Lonar crater, is a saline, soda lake, located at Lonar, 79 km from Buldhana city in Buldhana district, Maharashtra, India. 89 metres (987 ft) deep, [4] while the third deepest blue hole in the world is Dean's Blue Hole at 202 metres (663 ft) , located in a bay west of Clarence Town on Long Island, Bahamas. 89 meters (987. [4] This may require the use of a lid to cover the hole in the floor when not in use. 12 Tasman Frontier, Expedition 371 Total penetration (cored & drilled): 131,934 432,855 82. Bayou Corne sinkhole – Assumption Parish, Louisiana. 619 miles) in 1989. It is still by far the deepest of the holes made by a man till now. org Open Upon completion of the initial exploration, Harwoods Hole became the deepest explored cave in New Zealand, a record that was later broken by Nettlebed Cave in the nearby Mount Arthur region. 5 metres (901 ft) deep and containing around 50 km (31 mi) of passageways. 5 kilometers (44,000 ft), in April 2014 the Z-40 well was completed with a length of 13 kilometers (43,000 ft), in April and June 2013 - the Z-43 and Z-42 wells 12. The features, which were first charted by HMS Fitzroy , were officially recorded in the Royal Geographical Society 's Geographical Journal in 1931. The Jul 16, 2024 · Kola Superdeep Borehole: It is the world's deepest man-made hole in Russia started in the 1970s, reaching a depth of 12,262 metres. Remotely Operated Vehicle KAIKO reached the deepest area of the Mariana Trench and made the deepest diving record of 10,911 m (35,797 ft; 5,966 fathoms) on 24 March 1995. [ 112 ] The sci-fi novel series Red Mars has several deep holes in the Martian crust called Moholes. Jul 11, 2024 · Scientific deep-drilling in Koyna, India, offers unique insights into earthquakes, geological history, and technological innovation in earth sciences. On June 6, 1979, however, a Kola borehole known as SG-3, broke the standing record. It's only nine inches in diameter At a total depth of 339 meters (1,112 ft), it is one of the deepest known water-filled sinkholes in the world. The pilot hole (KTB Vorbohrung, KTB-VB) was spudded on September 22, 1987, and was finished on April 4, 1989, having reached 4,000 m (13,000 feet). The team was also interested in finding the outflow of the underground stream. 0 Total cored interval: 89,389 293,271 55. The water surface was measured at 59 metres below land surface datum at the cave mouth. It is known for its numerous caves and high cliffs, reaching over 241 metres (791 ft) above normal water level and continuing below the water level. The Bertha Rogers Borehole is a former natural gas well in Burns Flat, Dill City, Oklahoma, US. In 1970, Soviet scientists embarked on an ambitious project to drill as deep as possible into the Earth's crust. Other blue holes are about half that depth at around 100–120 metres (330 Dean's Blue Hole is a blue hole located in The Bahamas in a bay west of Clarence Town on Long Island and is the world's third deepest with a depth of 202 metres (663 ft), after the Taam Ja' Blue Hole in the Chetumal Bay and the Dragon Hole in the South China Sea. The Man of the Hole (Portuguese: índio do buraco, lit. The cave above the water was surveyed by laser. 817° E), the trench axis of the Puerto Rico Trench (Atlantic Ocean; 8408 m 19. Context: The Borehole Geophysics Research Laboratory (BGRL) in Karad, Maharashtra, a specialized institute under the Ministry of Earth Sciences of the Government of India is mandated to execute India’s sole scientific deep-drilling programme at Koyna, Maharashtra. Between 2002 and 2005 De Beers invested R50 million in developing the Big Hole into a tourism facility, based on the idea of creating "a lasting legacy for the people of Kimberley". The 1970 Doctor Who serial Inferno, which also deals with a scientific effort to drill into the Earth's crust, was inspired by Project Nov 14, 2023 · For 24 years, the drills of the Kola project whirred and screeched, carving through layers of rock older than history itself. TIL that the deepest artificial hole on Earth is the Kola Superdeep Borehole, in Russia. [7] Where a cenote, or the flooded cave to which it is an opening, provides deep enough access into the aquifer, the interface between the fresh and saline water may be reached. [3] [4] Relevant records are either absent from the archives, classified, or inaccessible. It revealed unexpected findings such as the absence of the "Conrad discontinuity," the presence of liquid water at unexpected depths, and microscopic fossils dating back 2 billion years. 613° N Jul 12, 2024 · Borehole Geophysics Research Laboratory (BGRL), a specialised institute under the Ministry of Earth Sciences is mandated to execute India’s sole Scientific Deep Drilling (SDD) programme. [4] . A subsequent hole, Vostok 2, drilled from 1971 to 1976, reached 450 m, and Vostok 3 reached 2202 m in 1985 after six drilling seasons. The vessel is designed to ultimately drill 7 km (4. 5 m), in which troops of Siraj-ud-Daulah, the Nawab of Bengal, held British prisoners of war on the night of 20 June 1756. [1] The vagina may also be referred to as the birth canal in the context of pregnancy and childbirth. Jul 11, 2024 · Catalog; For You; The Hindu - International. What’s it for? And why is the Internet Googling While the oil company didn’t find what it was searching for, the Bertha Rogers hole was the deepest hole for another five years. Deep holes, certain points in a Leech lattice Topics referred to by the same term This disambiguation page lists articles associated with the title Deep Hole . There are currently 28 active research projects housed within the facility. The surface entrance is only 80 feet (24 m) in diameter, it expands to a diameter of 130 feet (40 m) at the [3] The second deepest is the Dragon Hole, or Longdong, in the South China Sea at 300. In the windswept skein of mountains in India's Western Ghats, geologists are drilling some of Asia's deepest boreholes Jul 11, 2024 · Why is India drilling a 6-km deep hole in Maharashtra? Sub: Geography. This will allow India to capture its targeted 60% in the global ship breaking business while doubling the annual to US$2. [2] The deepest cave in England is the Three Counties System which is 252 metres (827 ft) deep between the entrance of Large Pot, and the deepest point reached by diving in Gavel Pot. The drilling project reached its climax in 1989, when it stopped at a staggering depth of 12,262 meters (about 7. The "classical" tools for single-lip deep hole drilling, BTA deep hole drilling and ejector deep hole drilling are, with a few exceptions, designed asymmetrically and have a secondary cutting edge (circular grinding chamfer) and guide pads. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point. [7] [9] The deepest point is commonly referred to as the Milwaukee Deep, with the Brownson Deep naming the seabed surrounding it. Deepest hole penetrated: 1,806 5,925 1. While the hole was only nine inches wide, in 1983 the hole reached a groundbreaking 39,000 feet into the crust. Decades ago, the Russians drilled deeper than anyone has ever gone. Ravichandran The Borehole Geophysics Research Laboratory (BGRL) in Karad, Maharashtra, is a specialised institute mandated to execute India’s scientifi c deepdrilling programme. [4] Light should be prevented from entering the pit to reduce access by flies. en. The deepest cave in Wales and the UK is Ogof Ffynnon Ddu, 274. Firstly, reference bushes are attached to the front and back surfaces of the component at the measurement location, to minimise "bell-mouthing" and assist with aligning the data sets during analysis. [ 3 ] [ 4 ] The native name for the caves is Borrā Guhalu where Borra means abdomen in and Guhalu means caves in Telugu language . "Skeptoid #156: Falling into Mel's The vagina within the female genitals. The 2024 Kuala Lumpur sinkhole, also known as the Jalan Masjid India sinkhole, is an 8-metre (26 ft) deep sinkhole that formed in Jalan Masjid India in Kuala Lumpur, Malaysia, on 23 August 2024, possibly caused by sewage pipe ruptures and other geographical faults. The top layer is around 61 metres (200 ft) in thickness. the deepest boreholes (Core drill, for geological exploration), and; the longest boreholes ( Extended Reach Drilling , for oil production). The dimensions and shape of human vaginas are of great importance in medicine and surgery, in addition to their relevance to sexual pleasure and childbirth; there appears to be no one way, however, to characterize the vagina's size and shape. The Diavik Mine Located in Canada, the Diavik Mine is owned by the Dominion Diamond Corporation. He was probably the only person living in Tanaru Indigenous Territory. Why is India drilling a 6-km deep hole in Maharashtra? 2024-07-11 - Bhavya Khanna Sukanta Roy M. Constituting the deepest points in the Atlantic Ocean, the trench is 810 kilometres (503 mi) long [7] and has a maximum documented depth between 8,376 metres (27,480 ft) [8] and 8,740 metres (28,675 ft). [9] In 2004 Wikimedia editors in India began planning a regional organization, Wikimedia India. Hidden in an abandoned drill site among rotting wood and sheets of scrap metal (remains of the derrick and housing that once stood in Russia) sits a small, unassuming, heavy-duty maintenance hole cover secured into place with a dozen large, rusting bolts. India is a signatory to Hong Kong International Convention for the safe and environmentally sound recycling of ships. (Image credit: Andrew Hounslea/Getty Images) The Great Blue Hole is a marine sinkhole off the coast of Belize. The depth value is measured from the highest to the lowest accessible cave point. [2] [3] Although by its dictionary and anatomical definitions, the term vagina refers exclusively to the specific internal structure, it is colloquially used to refer to the vulva or to both the vagina and vulva. The deepest holes are being drilled on a table-top mountain in Maharashtra. [7] The hole in the slab should not be larger than 25 cm (10 in) to prevent children falling in. 3 m × 5. Chikyū (ちきゅう) is a Japanese scientific drilling ship built for the Integrated Ocean Drilling Program (IODP). What is the current scientific understanding of the gravity hole? Eastern Washington hole is shrouded in mystery Archived September 3, 2014, at the Wayback Machine by Denise Whitaker, Published: Feb 7, 2012 at 11:33 PM PST, Last Updated: Feb 12, 2012 at 11:24 AM PST. [13] [14] Aug 8, 2016 · The world’s deepest “blue hole” has been discovered in the South China Sea, and it is named “Dragon Hole”. As of 2015 the deepest point reached by divers was 132 m. The result was the Kola Superdeep Borehole, located in the remote Pechengsky The term vagina is from Latin vāgīna, meaning "sheath" or "scabbard". [1] Blue holes generate a distinctive blue color when seen from above and are typically only a few dozen meters deep. [1] [3] Some local geologists have claimed that the collapse of a crater happened in the 1960s; it was set on fire only in the 1980s to prevent the emission of poisonous gases. To put that [1] [2] The caves are basically karstic limestone structures extending to a depth of 80 m (260 ft), and are considered the deepest caves in India. There’s a portal to the center of the earth in the wreckage of an abandoned project site in Murmansk, Russia. 262 km (7. This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2024. It is the location of the deepest point in the Arctic Ocean . 45 The stages of Deep Hole Drilling (DHD) measurement process. [1][2][3] It extends approximately 30 m (100 ft) into the ground, making it one of the deepest and largest stepwells in India. [16] During surveys carried out between 1997 and 2001, a spot was found along the Mariana Trench that had a depth similar to the Challenger Deep, possibly even deeper. [ 1 ] Apr 2, 2017 · After 24 years of digging, and several branches in the hole, the deepest branch of the Kola Superdeep Borehole stopped in 1994 at 12,262 meters (about 7. In April 2015, the O-14 production well was drilled, with length of 13. Experts believe these slabs are ancient remains of seabed from the Tethys Ocean, which was once between the supercontinents of Laurasia and Gondwana over 200 million years ago. Top of Golondrinas as viewed from the low side, during a descent made in 1979 A caver rappels the drop from the cave's mouth. Cross section of the cave. Boesmansgat was believed to have first been explored by amateur diver Mike Rathbourne, in 1977. Instead it’s a term geologists use to describe a spot where Earth’s Apr 5, 2024 · Covering roughly 1. [ 2 ] The Kola Superdeep Borehole in western Russia is deepest manmade hole drilled thus far in planet Earth. This gravity hole, the world’s largest (and deepest) gravitational anomaly, is officially Jun 26, 2023 · There’s a massive “hole” in the Indian Ocean, researchers say—but it’s not the kind that could drain away all that water. Amberjack Hole – blue hole located 48 km (30 mi) off the coast of Sarasota, Florida. 6 metres (927 ft). The top layer is porous and permeable and thus allows water to filter down to the second layer which is less permeable, where it flows into the sinkhole, creating four waterfalls each measuring 46 metres (150 Important for the good surface quality is the asymmetrical design of the deep hole drilling tools. The Blue Hole – Santa Rosa, New Mexico. 5 miles). Jul 1, 2023 · Pal says the African blob, which essentially causes the IOGL, is probably formed by “Tethyan slabs” deep in the mantle. It's deeper than the Mariana Trench and deeper than Mt. 137° N / 2. Aug 4, 2023 · Belize's Great Blue Hole is over 400 feet deep. For practical purposes stone, marbles and other quarries may be included in this list. Pages in category "Deepest boreholes" Apr 29, 2024 · That's 480 feet (146 m) deeper than scientists initially documented when they first discovered the blue hole in 2021, and 390 feet (119 m) deeper than the previous record holder — the 990-foot The project drilled 2 different holes, first a pilot hole then the main hole. [10] Organizers drafted by-laws in 2007, and in 2008 convened meetings with the assistance of the Centre for Internet and Society. 3 miles) beneath the seabed, [needs update] where the Earth's crust is much thinner, and into the Earth's mantle, deeper than any other hole drilled in the ocean thus far. A large hole is drilled to a predetermined depth or to a confining formation (clay or bedrock, for example), and then a smaller hole for the well is completed from that point forward. Getting to the bottom of Mel's Hole Ellensburg Daily Record, March 31, 2012; Dunning, Brian (June 2, 2009). Chand Baori is a stepwell situated in the village of Abhaneri in the Indian state of Rajasthan. [28] Jacques Piccard and U. 619 mi) in 1989. It is a notified National Geo-heritage Monument. [1] The Kola borehole reached 40,230 feet (12,262 meters) in 1989, making it the deepest human-made hole on Earth. wikipedia. Research collected for KPMG's Golf Benchmark Survey indicates that the average number of rounds played per annum at 18-hole facilities ranges from 25,000 to 30,000 (excluding military courses). 5 Blue Hole (Red Sea) – a submarine sinkhole around 94 m (308 feet) deep in east Sinai, a few kilometres north of Dahab, Egypt on the coast of the Red Sea. There is a shallow opening to the sea around 6 m (20 feet) deep, known as "the saddle", and a 26 m (85 feet) long tunnel, known as "the Arch", whose ceiling is at a depth of 55 m (181 feet) and whose bottom falls away as it reaches the The difference in elevation of the highest cave entrance (Arbaika) and its deepest explored point is 2,199 ± 20 metres (7,215 ± 66 ft). The Diamantina Trench is in the eastern part of the larger Diamantina fracture zone, which stretches 1,900 kilometres (1,200 mi) [1] from the Ninety East Ridge to the Naturaliste Plateau, off the lower part of Southwest Australia. The early years of the crater's history are still being determined. 2 ft) deep [1] until it was discovered that the Taam Ja' surpassed it in 2024. The density interface between the fresh and saline waters is a halocline , which means a sharp change in salt concentration over a small change in depth. 2019 bathymetry Diamantina Trench. [ 1 ] Using an autonomous robot, the underwater portion of Zacatón has been measured to be 319 meters (1,047 ft) deep (a 20-meter (66 ft) difference between the rim of cliff and surface of water adds to the total depth). Deep in China's Fengjie County lies a natural wonder that has fascinated experts for decades. [2] The following summer, 21 cavers explored Harwoods Hole further. In 2006, a group of friends from Manjummel, Kochi, Kerala went to explore the caves as one among them named Subhash fell into a hole. Red Lake (Croatian: Crveno jezero) is a sinkhole containing a karst lake near the city of Imotski, Croatia. Nov 3, 2023 · In a mysterious part of the Indian Ocean, the pull of gravity is much weaker than anywhere else on Earth. Oct 20, 2023 · The Kola Superdeep Borehole in Russia is the deepest hole in the world. The Black Hole of Calcutta was a dungeon in Fort William, Calcutta, measuring 14 by 18 feet (4. The sinkhole is 112 metres (367 ft) deep and passes through two layers of rock. As of police records in 2016, the holes in the cave has caused the death of at least 16 people who attempted to explore the cave. Everest is tall. Milestone Nov 26, 2024 · The Indian Ocean "gravity hole" is the deepest dent in Earth's gravitational field, where the pull of gravity is so weak that sea levels are 348 feet (106 meters) lower than the global average. Dead Sea sinkholes; Dean's Blue Hole – the world's second deepest known salt water blue hole with an entrance below the sea level; in the Bahamas The pit is typically at least three meters (10 ft) deep and one meter (3 ft) across. In 2016 a collaborative mapping project, Stepwell Atlas, [ 9 ] started to map GPS coordinates and collate information on stepwells, mapping over 2800 stepwells in India. Nov 22, 2024 · The Indian Ocean "gravity hole" is the site of the deepest dent in Earth's gravitational field. It is the result This lists of mines in India is subsidiary to the list of mines article, and future mines in the country and is organised by the primary mineral output. It's a circular ocean region with a gravitational pull that's so weak, sea levels are 348 feet (106 The deepest underground laboratory in the United States, it houses multiple experiments in areas such as dark matter and neutrino physics research, biology, geology and engineering. . 1960s – c. 2 feet), it surpassed the Dean’s Blue Hole in the Bahamas, which is 202 meters (663 feet) deep. May 2, 2023 · The Great Blue hole was recently explored and stretched around 984 feet across and is about 410 feet deep. [10] The water surface was measured at 59 metres below land surface datum at the cave mouth. 3 billion target. The first deep hole at Vostok reached 506. The goal when drilling began in 1970 was to get to 15 km depth, but drilling stopped at 12,262 meters 24 years later. 2 million square miles, this circular depression originates from the southern tip of India. 'Indian of the Hole'; c. [15] The Blue Hole is a submarine sinkhole, with a maximum depth within the hole of just over 100 m (328 feet). First noted by Dutch geophysicist Felix Andries Vening Meinesz in 1948 during a gravity survey, it has continued to baffle researchers, remaining unresolved. The Molloy Deep (also known as the Molloy Hole) is a bathymetric feature in the Fram Strait, within the Greenland Sea [1] east of Greenland and about 160 km (100 mi) west of Svalbard. 06 Indonesian Throughflow, Expedition 356 Deepest water depth: 5,023 16,481 3. The Cave of Swallows, also called the Cave of the Swallows (Spanish: Sótano de las Golondrinas), is an open-air pit cave in the municipality of Aquismón, San Luis Potosí, Mexico. Sec: Geomorphology. However, some estimates suggest that it could be as deep as several hundred meters. The landscape around the site of the Kola Superdeep Protecting and studying these blue holes is in line with the goals of Saudi Arabia's green initiatives, represented by the initiative to raise the percentage of protected areas to reach 30% of the Kingdom's area by 2030, in addition to rehabilitating those affected by them. The Xiaozhai Tiankeng sinkhole is vast. 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. It was discovered in about 2003 by a local diver who followed a grouper that went into its mouth. [2] The sinkhole is a doubly nested structure—the upper bowl is 320 meters (1,050 feet) deep, the lower bowl is 342 meters (1,122 feet) deep, and the two bowls are on average 257 to 268 m (843 to 879 ft) across. 9 m in April 1970; by 1973 a depth of 952 m had been reached. [10] Oct 15, 2024 · The Kola Superdeep Borehole SG-3 is the deepest human-made hole on Earth, which attained maximum true vertical depth of 12,262 metres in 1989. The Challenger Deep is a relatively small slot-shaped depression in the bottom of a considerably larger crescent-shaped oceanic trench, which itself is an unusually deep feature in the ocean floor. India plans to pass the "Recycling of Ships Act, 2019" to ratify the Hong Kong treaty. The Great Observatories Origins Deep Survey, or GOODS, is an astronomical survey combining deep observations from three of NASA's Great Observatories: the Hubble Space Telescope, the Spitzer Space Telescope, and the Chandra X-ray Observatory, along with data from other space-based telescopes, such as XMM Newton, and some of the world's most powerful ground-based telescopes. Its name means deep water in the Mayan language and, at over 420 metres (1,380 ft) deep, it is the deepest known blue hole. S. With a depth of 300. Apr 30, 2024 · Deepest Blue Hole In The World: वैज्ञानिकों की ताजा खोज के मुताबिक, मेक्सिको का The deepest point below the ocean's atmospheric surface is Challenger Deep, at the bottom of the Mariana Trench, 11,034 m (36,201 ft) below sea level. 9547 mi; 9,583 m). About 25 acres in area [72] and 230 m (750 ft) deep. Jun 2, 2023 · The deepest hole was reached at 12,262 metres (40,230 ft; 7. 5 miles) — the deepest hole ever dug into the Earth. Later he This list of deepest mines includes operational and non-operational mines that are at least 2,224 m (7,297 ft), which is the depth of Krubera Cave, the deepest known natural cave in the world. The makeup of the golf course supply is split between 18-hole (39% share) and 9-hole (60% share) facilities, with three 27-hole clubs. Located in the Pechengsky District of Russia near the Norway border, the borehole was part of the Soviet Union’s project to drill as deep into the Earth’s Crust as possible. The main hole (KTB Hauptbohrung, KTB-HB) was spudded on October 6, 1990, about 200 m (660 feet) away from the pilot hole. Probably formed centuries ago by collapsing caves and The Devil's Hole is a group of deep trenches in the North Sea about 200 km (125 mi) east of Dundee, Scotland. Since 2013, the project has set five records for drilling wells with the deepest depths in the world. Image credits: Wikipedia. Saudi Arabia also announced that blue holes represent 9% of the marine Hooghly River Underwater metro tunnel segment East west metro tunnel underwater section journey East West Metro Tunnel, under Hooghly River – biggest underwater metro tunnel in India [4] Artists Conception of East west underwater metro at Esplanade Metro station Prime Minister Narendra Modi flags off the metro, with inaugurating the tunnel, with the Howrah Maidan-Esplanade stretch on March 6 The deepest place in each ocean are the Molloy Hole in the Fram Strait (Arctic Ocean; 5669 m, 79. Boesmansgat (or Bushmansgat), also known in English as "Bushman's Hole", is a deep submerged freshwater cave (or sinkhole) in the Northern Cape province of South Africa, which has been dived to a depth of 282. zkhj biknu mhqu caoky ctsp guql syzos fzo qqkg tmawmpx