More time off the clock

Now it seems with every major earthquake, (in theory) our days are getting shorter.

Richard Gross, of NASA’s Jet Propulsion Laboratory, calculations indicate that by changing the distribution of Earth’s mass, the Japanese earthquake should have caused Earth to rotate a bit faster, shortening the length of the day by about 1.8 microseconds. “Earthquakes change the Earth

I wonder what the effects of a faster-spinning planet are to people? Will we get stronger, taller? Will the weather get more violent because of magnetic pole changes?