Thousands of tiny quakes shake Antarctic ice at night
Tuesday, March 5, 2019 - 03:50
in Earth & Climate
Scientists placed seismometers on the McMurdo Ice Shelf and recorded hundreds of thousands of tiny 'ice quakes' that appear to be caused by pools of partially melted ice expanding and freezing at night. The phenomenon may be able to help scientists track glacier melting -- and to help explain the breakup of large ice shelves.