Where are majority
Linear belts along boundary of tectonic plates
Can we predict
No
Look at historic records of frequency but only date back to 1848
Plate margin that is seismically active - destructive sub
NW margin of pacific plate
Wider spread along some
Nazca/ South American margin
Random spread
China
Intraplate quakes caused by (2)
Reactivation of old fault lines = Himalayas
Human activities