Firepower of the weapons in the picture?

Question

Assuming the planet in the picture is of earth-size, how powerful are the nukes causing the explosions in the picture?  If you can give me the answer in megatons/gigatons, I'll be very grateful!

http://www.geocities.com/darth_timon/firststrikenukes.JPG

James S · Accepted Answer

I would have to say that they are about 5-8 MT... if you look at the blast radius of fat man and little boy,they where 1.5 MT!!    It really wouldn't matter much cause if that really happened the earth would crack in half and fall into space ... we would all be dead!!!

tlbs101 · Answer

Approximately 8 million times a 10 Megaton device.

I am seeing a 1000 mile radius (just a gross eyeball estimate) of the immediate blast area.  Yield goes up as the 1/3 power of radius.  If a 10 Megaton blast can do damage in a 5 mile radius, then 200 times that (1000 miles) to the 3rd power is 8 million times greater.   That would be on the order of 10 Teratons of TNT.

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rickpeet · Answer

I would estimate 10-100GT

Firepower of the weapons in the picture?

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