[time-nuts] CNN: Tsunami effects on Earth's rotation

Chuck Harris cfharris at erols.com
Wed Dec 29 13:19:47 EST 2004


Since the Earth is pretty much a closed system, that must mean that
the mass at the surface near the quake collapsed closer to the center
of the Earth, without a corresponding mass bulging out somewhere else.
Much like the way a skater speeds up a spin by bringing his arms and legs
closer to his body.  A volcano should cause a slowing down by bringing
mass from the core to the surface.

-Chuck Harris - WA3UQV


John Ackermann N8UR wrote:
> CNN is reporting that the earthquake and tsunami may have caused the 
> earth to speed up by 3 microseconds (presumably, they mean shortening 
> each day by that much) and to shift on its axis by about one inch: 
> http://www.cnn.com/2004/TECH/science/12/29/quake.wobble.reut/index.html
> 
> Not much precision or detail in the article, unfortunately.
> 
> John
> 
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