What was the blast radius of the tsar bombs in miles?

Question by : What was the blast radius of the tsar bombs in miles?
What is the radius in miles of total destruction created by the bomb?

Answers and Views:

Answer by Roger K
You can read about it here:
http://en.wikipedia.org/wiki/Tsar_Bomba
It provides information on various levels of destruction and effects of the shock wave.
You can decide for yourself what radius you think applies.

Read all the answers in the comments.

Give your own answer to this question!