Chronology Current Month Current Thread Current Date
[Year List] [Month List (current year)] [Date Index] [Thread Index] [Thread Prev] [Thread Next] [Date Prev] [Date Next]

[Phys-L] Re: earthquake



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.

If a piece of the Earth sank, where did 600 mi x 100 mi x 30 ft go? What
did it displace?

Jim


Jim Green
mailto:JMGreen@sisna.com
http://users.sisna.com/jmgreen