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Far-Away Earthquake Caused 'Icequake' in Antarctica
12th August, 2014
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In February 2010, a massive 8.8 earthquake struck off the coast of central Chile. Even though it occurred nearly 22 miles beneath the surface, it was still powerful enough to cause the deaths of 300 people and severely damage buildings and other infrastructure, according to a CNN report.
But the quake also had an effect 3,000 miles away, in Antarctica. According to a newly-published study in Nature Geoscience, scientists from the Georgia Institute of Technology found that during the Maule temblor, as the quake was named, 12 of the 42 seismic stations on the frozen continent registered “icequakes,” probably due to fracturing of the ice as the planet’s crust shook. It was the first-ever proof that the frozen continent’s ground can be affected by waves being transmitted through the Earth by distant seismic activity.
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