To date, over 110 million songs have been played some 40 billion times through Facebook apps integrated with Open Graph. This 3D visualization shows how three of these tracks propagated throughout the United States during a 90-day span.

This video is called a Beatquake, and it's the result of a collaboration between Facebook and Stamen Design.

The 3D visualization charts the progress of three popular tracks across a three-month timespan: Macklemore & Ryan Lewis's "Thrift Shop," will.i.am's "Scream and Shout," and Swedish House Mafia's "Don't You Worry Child." Each layer of the graphic represents how many times each song was played at a specific geographic location in the U.S. during the test period.

Not surprisingly, propagation patterns can be seen. In one instance, a new track emerged in New York, followed by a ripple effect that sent it down to Miami.

As an aside, the graphic was meant to mimic an old-school equalizer, and the 'pulse' for the animation was built using the beats per minute from each track.

[Via Simply Zesty]