Meteor hit on Russia is equivalent to 30 Hiroshima bomb
16 February 2013: NASA scientists calculated that the meteor which hit Iberia on 15th of February stuck the ground with a force equivalent to about 30 times greater than the Hiroshima bomb.
The meteor was made of 15 meter wide rock with approximately 7,000 to 8,000 tonnes mass.
The dazzling fireball burned brighter than the Sun and it is estimated that the energy released as the meteor's disintegrated in the atmosphere was about 500 kilotons which is around 30 times the size of the nuclear bomb dropped on Hiroshima in 1945 during world war II. The meteor entered the atmosphere at 44,000 miles per hour, taking 32.5 seconds to break up at an altitude of around 15 miles above the earth's surface.
Initially Russian scientists reported that the estimated mass of the meteor to be around 10 tonnes, but later NASA claimed that the mass was considerably larger with a mass closer to 7,000 to 8,000 tonnes.