Quote:
Originally Posted by mugaliens
Comparing the actual Tunguska event to the above scale, since it didn't impact with the Earth itself, the Energy it imparted to the ground was considerably less than it would have been with a direct impact, at least by one order of magnitude, giving Tunguska a high .1 on that scale.
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This seems logical and explains why the Tunguska crater was not found until recently. However, it seems the blast radius and destructive force of the airburst is greater because the energy is not absorbed by the ground upon impact. Wasn't one of the reasons, the military detonated their nukes at altitude was to maximize their effectiveness?