But half the greatest velocity. Morteratsch Glacier, Line A. No. Of Stake. Hourly Motion. 1 0.05 inch. 2 0.14 inch. 3 0.24 inch. 4 0.54 inch. 7 0.52 inch. 8 0.45 inch. 9 0.21 inch. 10 0.29 inch. 11 0.44 inch. 7 0.27 inch. 8 0.45 inch. 9 0.21 inch. 10 0.29 inch. 11 0.44 inch. 11 0.44 inch. 7 0.52 inch. 8 0.45 inch. 9 0.40 inch. 10.