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Message
re: 6.7 magnitude earthquake has hit 25 miles south of British Columbia
Posted on 4/23/14 at 11:33 pm to Clames
Posted on 4/23/14 at 11:33 pm to Clames
quote:
Strong. Difference in power from a 6.0 to a 7.0 is about 32x in released energy. That would make the recent Japan earthquake(9.0) about 32,000+ times more powerful than a 6.0.
That is VERY misleading. I guarantee you that a 9.0 does not feel 32,000 times more powerful than a 6.0 and it also doesn't do 32,000 times the damage....NOT EVEN CLOSE!
1
Posted on 4/23/14 at 11:40 pm to lsu480
quote:
That is VERY misleading. I guarantee you that a 9.0 does not feel 32,000 times more powerful than a 6.0 and it also doesn't do 32,000 times the damage....NOT EVEN CLOSE!
No...it isn't. For those of that didn't fail grade school math, earthquake magnitudes work off of a 10-base log scale. So the energy (you are thinking amplitude) of earthquakes to each successive magnitude releases ~32x more energy. 6.0 to a 9.0 is three orders of magnitude so 32 * 32 * 32 is 32,768. I guarantee you, if you go read a book or two, this will make sense.
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