2. The amount of seismic energy released divided by 6.4 × 10^25 ergs would give the number of ounces of TNT (dynamite) needed for a comparable destructive force.


a. The largest thermonuclear weapon created has a destructive force of 32 million tons of dynamite. How many ergs is this?


b. What would be the magnitude of this force on the Richter scale?