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Jake · 03-13-2011, 11:10 PM

Can anyone trained in geology explain why the initial earth quake was an 8.8, and then upgraded in a 9.0? Do the instruments for measuring earthquake intensity have a large error? That is a pretty large difference.

03-13-2011, 11:10 PM	#417
Jake Powerplay Quarterback Join Date: Oct 2004 Exp:	Can anyone trained in geology explain why the initial earth quake was an 8.8, and then upgraded in a 9.0? Do the instruments for measuring earthquake intensity have a large error? That is a pretty large difference.