Sites are drawn where they sit today and ride along with their plate. Pick one to jump to a time when the pieces fit together, then scrub forward to watch them part.
Move across the cross-section to read the age of the crust.
On the timeline, dots are chapters and orange bars are mass extinctions.
Scroll or pinch to zoom, drag to pan, double-click to zoom in, R fits the whole view.
The readout row sits on the stage and stays visible in presentation mode.
Hides the panel, enlarges the labels and readouts and gives the map the whole screen. Press P or Esc to come back.
Text size
Graphics quality
Ultra draws at a higher pixel density with finer coastlines and a sharper land texture. Use it on a projector with a capable computer.
Keys: Space plays or pauses (or skips a chapter card), left and right arrows move through time (Shift for bigger steps), Home and End jump to the ends, 0 jumps to today, N and B change chapter, S turns chapter stops on or off, H hides the overlays, 1 to 3 switch modes, P presentation mode, plus and minus zoom, R fits the whole view, D switches light and dark, Esc closes this panel.
Continental drift
What to try