LiveScience.com - Scientists have discovered their first icequake, if you will - a movement of a huge stream of ice in Antarctica that creates seismic waves, just like an earthquake, and can be felt hundreds of miles away. Starting in 2001, Douglas Wiens of Washington University in St. Louis deployed seismographs around Antarctica, which detected seismic signals between that year and 2003. "At first we didn't know where the waves were coming from, but eventually we were able to narrow down the source to the ice stream," Wiens said. ...

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