Tectonics

What it shows

The boundaries of the tectonic plates, coloured by what each boundary does: plates going under one another, pulling apart, or sliding past. Turn on the earthquakes layer as well to see the quakes line up along these seams.

Where the data comes from

Bird (2003) PB2002 plate boundary model, GeoJSON from the fraxen/tectonicplates repository; static.

Reading the map

Red: subduction (trenches, deep quakes, volcanic arcs). Teal: spreading (ridges and rifts). Amber: transform and complex boundaries.

Units Boundary type (no measured quantity).

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One page for each

See the list: every item this layer shows has its own page, with facts, source and a map

Other layers in ground

• Terrain
• The wires
• What is here
• Glacial lake floods
• Permafrost thaw