NASA revealed that a huge meteor crashed into the Atlantic Ocean couple of months ago with the force equal to an atomic bomb. But nobody had a suspicion that it had happened. Even though having the destructive power of the Hiroshima bomb (about 13,000 tons of TNT), this specific fireball was really small, blowing up over the South Atlantic Ocean on February 6.
In comparison, the Chelyabinsk which crashed in 2013 apparently weighed around 10 tons and released approximately the energy equivalent to 500,000 tonnes of TNT. As astronomy blogger Phil Plait suggeststhis event, while dramatic, is essentially not that rare. He said "Impacts like this happen several times per year on average, with most going unseen. The Earth is mostly water, and even where there’s land, it’s sparsely populated overall”
Despite concerns of population overloading, the human race is not as big a target for possibly devastating meteors as we'd like to think. With that said, NASA still holds the Near Earth Object Program, an initiative which tracks thousands of objects which could possibly bump into Earth over the next 100 years.
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