The Southern California Seismic Network published this animation. Robert Graves, with the URS corporation, created the simulation. The San Diego Super Computer Center also helped. They are all given proper credit in the animation.
The animation shows the simulated seismic waves propagating through the earth, with ground velocity designated by color. At first I thought this was a new visualization from the recent La Habra earthquake, but it is from earlier.
Here is the 115 MB avi animation (it will open into a new tab):
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