Earthquakes trigger Antarctic 'icequakes'
Monday, April 22, 2013 - 13:50
in Earth & Climate
By Becky OskinLiveScienceSALT LAKE CITY — When the world shakes, so does Antarctica's ice, according to a study presented here Friday at the Seismological Society of America's annual meeting.Icequakes are vibrations in glaciers and ice sheets (the massive expanses of glacial ice that cover Antarctica and Greenland). From small creaks and groans to sudden slips equal to a magnitude-7 earthquake, th...