To calculate: The comparison between the intensity of the 1960 earthquake with the 2007 Southern earthquake. The relationship is I=I0×10R where R is the Richer Scale measure.

The Richer Scale is,

And,

The table for selected earthquake of some locations is given below:

Year Earthquake Location Richter Scale

1960 Chile 9.5

1952 Kamchatka 9.0

2007 Southern Sumatra, Indonesia 8.5

2013 Obihoro, Japan 6.9

2002 Hindu Kush, Afghanistan 5.9

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Chapter 4.3, Problem 90E

Chapter 4.3, Problem 92E

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Year	Earthquake Location	Richter Scale
1960	Chile	9.5
1952	Kamchatka	9.0
2007	Southern Sumatra, Indonesia	8.5
2013	Obihoro, Japan	6.9
2002	Hindu Kush, Afghanistan	5.9

Solution Summary: The author compares the intensity of the 1960 Chile earthquake with the 2007 Southern Sumatra earthquake.

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