Vertical movement of seafloor, 2004 Sumatra-Andaman earthquake

Vertical movement of the seafloor over the 2004 Sumatra-Andaman earthquake, view to the northwest, water removed

This animation shows a model of vertical seafloor displacement caused by the December 26, 2004 Sumatra-Andaman earthquake. Both the propagation of the rupture front northward and an exaggeration of the vertical movement of the seafloor are shown. The water has been removed in this animation. The seafloor is colored red where the seafloor moves upward and colored blue where it moves downward.