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This is what an asteroid strike looks like: NASA says the rock that caused Russia's big meteor blast was 55 feet wide, weighed 10,000 tons and set off a 500-kiloton blast, roughly 30 times bigger than Hiroshima. 
Alan Boyle's profile photoGary Ray R's profile photo
Yes, got that fixed. I've been dealing with kilotons (Chelyabinsk) and megatons (2012 DA14) for two days, and I've dreaded mixing them up. Thank goodness for Google+'s edit feature.
Thanks for the information.  I wondered about the destruction this caused, being that the energy released was comparable to a good sized Nuclear weapon, why only blown out windows.
 +William Carter  had a good explanation, "The total energy dissipated was comparable to modern strategic nuclear warheads (in the hundreds-of-kT range), but it was distributed over a long tube surrounding the meteor's path, so the damage was mostly limited to windows getting blown in. It sounds as if this wasn't an iron meteoroid, maybe a stony object instead."
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