The table shows the location and magnitude of some notable earthquakes. How many times more energy was released by the earthquake in Mexico than by the earthquake in Afghanistan? Use the given equation for comparing earthquake intensity level and magnitude.

Earthquake Location
Date
Richter Scale Measure
Italy October 31, 2002
5.9
El Salvador February 13, 2001
6.6
Afghanistan May 30, 1998
6.9
Mexico January 22, 2003
7.6
Peru June 23, 2001
8.1

Question

The table shows the location and magnitude of some notable earthquakes.  How many times more energy was released by the earthquake in Mexico than by the earthquake in Afghanistan? Use the given equation for comparing earthquake intensity level and magnitude. 

 

Earthquake Location
Date
Richter Scale Measure
Italy	October 31, 2002	
5.9
El Salvador	February 13, 2001	
6.6
Afghanistan	May 30, 1998	
6.9
Mexico	January 22, 2003	
7.6
Peru	June 23, 2001	
8.1