Each dot is one wave arriving at the surface. Drag up or down to set the time. At 1x, one second here is one minute in real life.
Stations sit along the edge of the cut. Distances are in degrees from the epicenter, where 1 degree is about 111 km.
Scroll or pinch to zoom toward the pointer. Double-click a spot on the cut to zoom to it, or double-click empty space to fit the view.
Hides the panel, enlarges the labels and readouts, and puts the charts beside the 3D view. Press P or Esc to come back.
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Graphics quality
Keys: Space plays or pauses, 1 to 4 switch modes, D switches light and dark, arrow keys turn the 3D view, plus and minus zoom, [ and ] move the probe, P presentation mode, R resets the camera, Esc closes this panel. Drag to orbit, drag with the right button or Shift to pan, and scroll to zoom.