Cataclysmic seismic events have obvious local consequences. They also can have much more far-reaching consequences that are not visible to most observers.
According to a geophysicist at JPL, a computer model of the earthquake that struck Chile last weekend indicates that the shift in land mass from that event has affected the balance of the entire planet. As a result, each day has been shortened by a projected 1.26 microseconds. The Indonesian earthquake of 2004 also shortened the day, by an estimated 6.8 microseconds.
Finally, an explanation; the days really are going faster these days.
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