Also interesting is the ship wreck at the mouth of the Thames containing 1,400 tons of explosives. They estimate if it blew it would be felt in London and creat

Also interesting is the ship wreck at the mouth of the Thames containing 1,400 tons of explosives. They estimate if it blew it would be felt in London and create a tidal wave 1-5 meters high. http://en.wikipedia.org/wiki/SS_Richard_Montgomery http://en.wikipedia.org/wiki/SS_Richard_Montgomery