Anatomy of an Earthquake

Engineers at the University of Colorado in Boulder have created the first-ever animated image of an earthquake's seismic waves. Using coordinates from 1,000 GPS monitoring stations, the engineers created an image of the 8.3-magnitude earthquake that struck the coast of Hokkaido, Japan in September 2003. Each of the receivers took a measurement once every second, with accuracy within millimeters.

Click here to view the animated GIF image.

Source: New Scientist