World In Greenland, the Ice Doesn’t Just Flow, It Quivers and Quakes February 6, 2025February 7, 2025RAYMOND ZHONGComments Off on In Greenland, the Ice Doesn’t Just Flow, It Quivers and Quakes By using a fiber-optic cable to detect tiny vibrations a mile below the surface, scientists discovered a surprising way that ice sheets move.