Danube, over the boulders to the greatest velocity. Morteratsch Glacier, Line C. No. Of Stake. Hourly Motion. 1 0.35 inch. 2 0.09 inch. 3 0.53 inch. 4 0.32 inch. 5 0-41 inch. 6 0.54 inch. 5 0.56 inch. 6 0.44 inch. 11 0.20 inch. As in our atmosphere. By the side.