Meteor injures thousand in explosion over Russia
by Jim Heintz, Associated Press and Vladimir Isachenkov, Associated Press
February 15, 2013 04:00 PM | 2856 views | 0 0 comments | 8 8 recommendations | email to a friend | print
Russian Meteor Slideshow
In this photo provided by Chelyabinsk.ru a meteorite contrail is seen over Chelyabinsk on Friday, Feb. 15, 2013. A meteor streaked across the sky of Russia’s Ural Mountains on Friday morning, causing sharp explosions and reportedly injuring around 100 people, including many hurt by broken glass. (AP Photo/Chelyabinsk.ru)
view slideshow (5 images)
MOSCOW — With a blinding flash and a booming shock wave, a meteor blazed across the western Siberian sky Friday and exploded with the force of 20 atomic bombs, injuring more than 1,000 people as it blasted out windows and spread panic in a city of 1 million.

While NASA estimated the meteor was only about the size of a bus and weighed an estimated 7,000 tons, the fireball it produced was dramatic. Video shot by startled residents of the city of Chelyabinsk showed its streaming contrails as it arced toward the horizon just after sunrise, looking like something from a world-ending science-fiction movie.

The largest recorded meteor strike in more than a century occurred hours before a 150-foot asteroid passed within about 17,000 miles of Earth. The European Space Agency said its experts had determined there was no connection between the asteroid and the Russian meteor — just cosmic coincidence.

The meteor above western Siberia entered the Earth’s atmosphere about 9:20 a.m. local time at a hypersonic speed of at least 33,000 mph and shattered into pieces about 18 to 32 miles high, the Russian Academy of Sciences said. NASA estimated its speed at about 40,000 mph, said it exploded about 12 to 15 miles high, released 300 to 500 kilotons of energy and left a trail 300 miles long.

“There was panic. People had no idea what was happening,” said Sergey Hametov of Chelyabinsk, about 930 miles east of Moscow in the Ural Mountains.

“We saw a big burst of light, then went outside to see what it was and we heard a really loud, thundering sound,” he told The Associated Press by telephone.

The shock wave blew in an estimated 1 million square feet of glass, according to city officials, who said 3,000 buildings in Chelyabinsk were damaged. At a zinc factory, part of the roof collapsed.

The Interior Ministry said about 1,100 people sought medical care after the shock wave and 48 were hospitalized. Most of the injuries were caused by flying glass, officials said.

Scientists estimated the meteor unleashed a force 20 times more powerful than the Hiroshima bomb, although the space rock exploded at a much higher altitude. Amy Mainzer, a scientist at NASA’s Jet Propulsion Laboratory, said the atmosphere acted as a shield.

The shock wave may have shattered windows, but “the atmosphere absorbed the vast majority of that energy,” she said.

Emergency Situations Ministry spokesman Vladimir Purgin said many of the injured were cut as they flocked to windows to see what caused the intense flash of light, which momentarily was brighter than the sun.
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