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That's the result of calculations based on preliminary data made
>>by Oak Park astronomer Dr. Leslie M. Golden. It's analogous to the
>>increase in rotational speed that a twirling ice skater experiences when
>>he or she draws in their arms. It is estimated that during the Sumatran
>>quake, a block of material roughly 600 miles in length and 100 miles in
>>width fell 30 feet closer to the Earth's axis of rotation. The planet
>>has responded by rotating more rapidly, albeit ever so slightly, and our
>>24-hour days are now one ten-thousandth second shorter.