PB2002 — Peter Bird (2003), An updated digital model of plate boundaries,
Geochemistry, Geophysics, Geosystems 4(3), 1027, DOI:10.1029/2001GC000252.
GeoJSON conversion: Hugo Ahlenius, Nordpil (2014), csterling.
Source: https://github.com/fraxen/tectonicplates

This database is made available under the Open Data Commons Attribution
License 1.0: https://opendatacommons.org/licenses/by/1-0/
Original notice: tools/data/tectonics/LICENSE.md.

TerraChronia derivative (2026-10-09): compact attributes with Czech labels;
original boundary step endpoints, classifications, velocities and Euler poles;
plate polygon coordinates rounded to four decimals; 2048x1024 index raster.
The modified database remains available in the distributed source project.
No endorsement by the original authors is implied.