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Old 08-23-2011, 09:04 PM   #59 (permalink)
Red__Zed
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Quote:
Originally Posted by dad View Post
7.0 quake releases about 900 times more energy than a magnitude 5.0 tremor.

Difference between a 5.8 and a 7 is much smaller though.
7.0 = 2 petajoules = 2x10^15 joules
5.8 = 32 terajoules = 32x10^12 joules

So a 7 releases about 62.5 times more energy than a 5.8
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