Greatest velocity. Morteratsch Glacier, Line B. No. Of Stake. Hourly Motion. 1 0.01 inch. 2 0.14 inch. 3 0.18 inch. 4 0.32 inch. 5 0.25 inch. 6 0.27 inch. 7 0.52 inch. 8 0.45 inch. 9 0.43 inch. 10.