An earthquake with a 7.0 magnitude on this scale releases about 32 times as much energy as a 6.0
... to the equivalent energy released by an explosion of TNT, the Richter Scale is 
... R 3.0 = 32t, R 4.0 = 1000t, R 5.0 = 32,000t, 6.0 = 1,000,000t, 7.0 = 32,000,000t,
... [DOC] [TLE] Earthquake Power!