Russia Meteor Not Linked to Asteroid Flyby; Size and 'Energy Released,' is Revised – Largest Since Tunguska, says NASA

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By NASA
2-15-13

    New information provided by a worldwide network of sensors has allowed scientists to refine their estimates for the size of the object that entered that atmosphere and disintegrated in the skies over Chelyabinsk, Russia, at 7:20:26 p.m. PST, or 10:20:26 p.m. EST on Feb. 14 (3:20:26 UTC on Feb. 15).

The estimated size of the object, prior to entering Earth's atmosphere, has been revised upward from 49 feet (15 meters) to 55 feet (17 meters), and its estimated mass has increased from 7,000 to 10,000 tons. Also, the estimate for energy released during the event has increased by 30 kilotons to nearly 500 kilotons of energy released. These new estimates were generated using new data that had been collected by five additional infrasound stations located around the world – the first recording of the event being in Alaska, over 6,500 kilometers away from Chelyabinsk. The infrasound data indicates that the event, from atmospheric entry to the meteor's airborne disintegration took 32.5 seconds. The calculations using the infrasound data were performed by Peter Brown at the University of Western Ontario, Canada.

"We would expect an event of this magnitude to occur once every 100 years on average," said Paul Chodas of NASA's Near-Earth Object Program Office at the Jet Propulsion Laboratory in Pasadena, Calif. "When you have a fireball of this size we would expect a large number of meteorites to reach the surface and in this case there were probably some large ones."

The trajectory of the Russia meteor was significantly different than the trajectory of the asteroid 2012 DA14, which hours later made its flyby of Earth, making it a completely unrelated object. The Russia meteor is the largest reported since 1908, when a meteor hit Tunguska, Siberia. . . .

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Russian Television Shows Flaming Hole Where Meteorite Fragment Came To Earth | UFO NEWS | VIDEO

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CORRECTION: Crater shown on Russian TV with meteor videos is from Derweze, Turkmenistan and not related to recent meteor strike.

It has been ablaze since the 1970s, when Soviet geologists reportedly found an underground cavern with deposits of natural gas and decided to burn it off . . . interesting on its own merits

Remainder of news segment is of various vid captures of the meteor and damage . . .

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UPDATE: Meteorite Hits Russian Urals - Fireball Explosion Wreaks Havoc, Over 900 Injured | UFO NEWS | VIDEO

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By rt.com
2-15-13

     Around 950 people have sought medical attention in Chelyabinsk alone because of the disaster, the region's governor Mikhail Yurevich told RIA Novosti. Over 110 of them have been hospitalized and two of them are in heavy condition. Among the injured there are 159 children, Emergency ministry reported.

Army units found three meteorite debris impact sites, two of which are in an area near Chebarkul Lake, west of Chelyabinsk. The third site was found some 80 kilometers further to the northwest, near the town of Zlatoust. One of the fragments that struck near Chebarkul left a crater six meters in diameter.

Servicemembers from the tank brigade that found the crater have confirmed that background radiation levels at the site are normal.

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Meteorite Crash in Russia - UFO Fears Spark Panic in the Urals | UFO NEWS | VIDEO

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By rt.com
2-15-13

     A series of explosions in the skies of Russia’s Urals region, reportedly caused by a meteorite shower, has sparked panic in three major cities. Witnesses said that houses shuddered, windows were blown out and cellphones have stopped working.

According to unconfirmed reports, the meteorite was intercepted by an air defense unit at the Urzhumka settlement near Chelyabinsk. A missile salvo reportedly blew the meteorite to pieces at an altitude of 20 kilometers.

A bright flash was seen in the Chelyabinsk, Tyumen and Sverdlovsk regions, Russia’s Republic of Bashkiria and in northern Kazakhstan.

Lifenews tabloid said that at least one piece of the fallen object caused damage on the ground in Chelyabinsk. According to preliminary reports, it crashed into a wall near a zinc factory, disrupting the city's Internet and mobile service.

Witnesses said the explosion was so loud that it seemed like an earthquake and thunder had struck at the same time, and that there were huge trails of smoke across the sky. Others reported seeing burning objects fall to earth.

Police in the Chelyabinsk region are reportedly on high alert, and have begun ‘Operation Fortress’ in order to protect vital infrastructure.

Office buildings in downtown Chelyabinsk are being evacuated. Injuries were reported at one of the city’s secondary schools, supposedly from smashed windows. No other injuries have been reported so far.

An emergency message published on the website of the Chelyabinsk regional authority urged residents to pick up their children from school and remain at home if possible. . . .

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