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  1. Kola Superdeep Borehole - Wikipedia › wiki › Kola_Superdeep_Borehole

    Kola Superdeep Borehole, commemorated on a 1987 USSR stamp. The main target depth was set at 15,000 m (49,000 ft). On 6 June 1979, the world depth record held by the Bertha Rogers hole in Washita County, Oklahoma, United States, at 9,583 m (31,440 ft) was broken.

  2. Explosion Opens New ‘Pit to Hell’ Crater in Russian Arctic ... › 2020/09/07 › explosion

    Sep 07, 2020 · An explosion believed to have been caused by subterranean gases has opened up a massive hole in the ground in Russia’s Arctic, the latest natural phenomenon to affect the fast-warming region ...

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    Why was there a hole in the ground in Russia?

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    Why are the Russian formations not sinkholes?

  4. Mysterious Russian holes: Is Earth becoming perforated ... › Science › 2014
    • But Russia Doesn't Hold Exclusive Rights to Humongous Holes in The Ground
    • What Could Have Happened?
    • Were They Caused by Global Warming?

    These holes may seem to indicate that northern Russia is rapidly becoming a giant Swiss cheese wheel, but other places have their fair share of perforations. In 2010, a huge hole opened up in Guatemala City after heavy rains from a tropical storm. This sinkhole, at about 100 feet deep and 65 feet across, was the second of its kind in the nation. Both times, researchers blamed a burst water pipe below the streets, causing the hole that swallowed up much of its surroundings. But at over 980 feet wide and 410 feet deep, the Great Blue Hole, a popular diving spot in Belize, could swallow all of these holes whole. This hole was originally formed as a limestone cave during the last ice age. When the ice melted and the sea rose, the cave filled with ocean water. But are these Russian holes sinkholes? No, say researchers. "We can be certain in saying that the crater appeared relatively recently, perhaps a year or two ago; so it is a recent formation, we are not talking about dozen years ago...

    "According to local residents, the hole formed on 27 September 2013," a local lawmaker, Mikhail Lapsui, told the Siberian Times following a helicopter ride over the second hole. "Observers give several versions. According to the first, initially at the place was smoking, and then there was a bright flash. In the second version, a celestial body fell there." In addition to the possibility of meteorites, potential explanations include rogue missiles, side effects of natural gas drilling, an extremely elaborate prank, and alien spacecraft. Researchers initially knew the Russian formations were not sinkholes, like in Guatemala, because it has mounds of dirt around the holes' rims. Instead of the Earth collapsing inward, in Russia material seems to have been flung from the hole during some sort of underground explosion. Could it have been a meteorite? After all, one did explode over Russialast year. Perhaps these holes could have come from pieces associated with that same impact. The pre...

    Dr. Leibman, Plekhanov, and other researchers believe the holes are the result of an eruption of a methane gas pocket, prompted by thawing permafrost. Deep below the surface in Siberia is a mix of ice, water, and soil. As the land heats, this mixture warms too. And as it warms, methane is released, building pressure against its surroundings. Eventually, the pressure increases until it blows, throwing aside everything in its way and forming a hole like these three. Leibman says this formation may lead to a new lake. In the heat of the summer, the permafrost walls of the hole are melting and water is trickling down to pool at the bottom. If this continues and the flow increases, Siberia may see some new lakes. But researchers have only scratched the surface. "Could it be linked to the global warming? We have to continue our research to answer this question, said Plekhanov. "Two previous summers – years 2012 and 2013 were relatively hot for Yamal, perhaps this has somehow influenced th...

  5. Siberia mystery hole in the ground baffles scientists ... › u-s-world › 2020/9/5

    Sep 05, 2020 · Scientists now think the giant hole is connected to a blowup of methane gas, which would be the result of warming temperatures in the area. “Warming and thawing of surface soil weakens the frozen ‘cap,’ resulting in the blowout that causes the craters,” Sue Natali, Arctic program director at Woodwell Climate Research Center, told Gizmodo .

  6. RUSSIA: Hole in the Ground - TIME › time › magazine

    New York, decided the Russians, might conceivably be all right as a place to visit, but they sure wouldn't want to live there. The daily Vechernyaya Moskva took a long look at Manhattan's...

  7. Biggest Hole in the Ground - English Russia › 27 › biggest-hole-in-the-ground

    Nov 27, 2006 · The places on the photos is 2000 ft (700m) deep hole in the ground. It’s called Korkinsk Coal Mine – the deepest and largest in Europe open coal mine and second largest in the world. Miles of rails, hundreds of electro trains and giant excavators work in this place. That’s probably one of the biggest hand made things on the Earth.

  8. Big Hole in Siberia: Why This Enormous Crater Appeared in Russia › science › environment

    Sep 01, 2020 · It's been a hot, hot summer in Siberia. The small town of Verkhoyansk, Russia, which lies north of the Arctic Circle, recorded its highest-ever temperature, 100.4 degrees Fahrenheit, on June 20 ...

  9. Jul 31, 2019 · But, the trees around the hole seem to be young and have most probably grown after the hole was dug up. Within the last century, these parts of Russia have been heavily involved in the production of locomotives, airplanes, tractors, turbines, metal cutting machines, and mining equipment easily capable of digging holes this size and even much ...

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