Earth's crust

A colored map showing major and minor tectonic plates on Earth.

Understanding the Earth’s Structure: A Guide to Tectonic Plates

Caitlin Dempsey

The Earth's lithosphere is divided into tectonic plates, which are in constant motion. Learn where to find GIS data on tectonic plates.

How Deep are the Earth’s Tectonic Plates?

Elizabeth Borneman

Researchers have been able to create a better picture of tectonic plates by using both earthquake vibrations and seismic waves.