An earthquake with a 7.0 magnitude on this scale releases about 32 times as much energy as a 6.0
The most commonly used earthquake intensity scale is the 
Modified Mercalli ... 6.0  6.9, about 130, VII  IX, strong  damage variable 
depending on... [DOC] [TLE] Richter Scale & Magnitude - SMS Tsunami Warning [PAR] The Richter Magnitude Scale: Development, Details, Richter Magnitudes, ... of an 
earthquake, that is the amount of energy released during an earthquake.