Question

The moment magnitude of an earthquake depends on all of the following except __.
1.the area of the fault break
2.the rigidity of the fault
3.the slip on the fault
4.the type of faulting
the answer is 4 but i have no idea?

Answer 1

I think it is because even the fault is of a different type, the seismic waves will still travel as they normally do :P

Answer 2

This isn't math BTW...

Answer 3

but doesnt the fault have a lot to do with it?