Please explain me what are shadow zone and , how they are formed ?!!!(GEOGRAPHY) Share with your friends Share 0 Josepaul Paulachan answered this Dear StudentFor a given earthquake the shadow zone is the area of the earth from angular distance of 104 to 140 degrees.The shadow zone doesn't get any P waves. They are formed when S waves are stopped by liquid core and also when P waves are refracted (bent) by the same liquid core.Regards 1 View Full Answer