"…BP drill site is directly over a massive underground reservoir of methane that could result in a huge explosion that would create "a supersonic tsunami" that "would literally sweep away everything from Miami to the panhandle in a matter of minutes. Loss of human life would be virtually instantaneous and measured in the millions."".
No, these people are serious:
If the huge methane bubble breaches the seabed, it will erupt with an explosive fury similar to that experienced during the eruption...
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