science 6th grade
posted by Reed .
I am suppose to explain how the moment magnitude and Richter scales of earthquake measurement are similar and how they are different. Can you tell me if I am correct? They are alike because they always come up with the same rating for an earthquake. They are different because the Richter scale can only rate small earthquakes that happen close to it. While the moment magnitude scale can rate earthquakes near and far.

science 6th grade 
SraJMcGin
Please try some of the following links:
http://search.yahoo.com/search?fr=mcafee&p=how+the+moment+magnitude+and+Richter+scales+of+earthquake+measurement+are+similar+and+how+they+are+differe
Sra
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