Antarctic Ice Stream Radiates Seismically: Sticks, Slips Like An Earthquake
Sunday, June 8, 2008 - 21:28
in Earth & Climate
Seismologists have found seismic signals from a giant Antarctic river of ice that make California's earthquake problem seem trivial. They combined seismological and global positioning system analyses to reveal two bursts of seismic waves from an ice stream in Antarctica every day, each one equivalent to a magnitude seven earthquake.