Caption: A cartoon of illustrating
tectonic plate boundaries:
(AKA subduction zones),
U.S. Geological Survey (USGS) /
Public domain since
prepared by a US government employee
(see Copyright and Other Rights Pertaining to U.S. Government Works).
Image link direct:
Local file: local link: usgs_002_plate_boundaries.html.
File: Plate tectonics file: