SNELL'S LAW

DESCRIBES THE BENDING AS SEISMIC WAVES TRAVEL FROM MATERIAL OF ONE SPEED TO ANOTHER

THE ANGLES OF THE INCIDENT (inc), REFLECTED (rfl), AND TRANSMITTED (REFRACTED) (tm) ARE

 

 

GOING INTO SLOWER MATERIAL- RAY BENDS TOWARD VERTICAL

GOING INTO FASTER MATERIAL- RAY BENDS TOWARD HORIZONTAL