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To: Gib Bogle who wrote (72640)2/27/2010 3:28:21 PM
From: Maurice Winn1 Recommendation  Read Replies (2) | Respond to of 74559
 
Haha, yes, having a wave crash into them at 1000 kph would be a huge crash. News media need excitement but it might be that they simply are clueless about physics and really have no idea that there's no forward energy in that 1000 kph.

My favourite topic in engineering was the Airy Wave Theory and I did a brilliant exposition using it in Professor Raudkivi's time. It's water under the bridge long ago now but it was interesting how water works.

Cyberspace being what it is, a click and there the Airy Wave Theory is: en.wikipedia.org

The tsunami which will kill 200,000 NZers will be a beauty from White Island or Matata [a new eruption like Taupo or Rotorua] removing all constructions and people from sand spits up and down the east coast. It seems absurd to build houses on sand spits at sea level.

Another option is another Tunguska type bolide - the Pacific Ocean makes an excellent target for incoming comets and other space debris. As the surface of the moon shows, there are lots of big things hurtling around out there. The asteroid belt still has lots of stuff in it with plenty now having been diverted to other trajectories.

Mqurice