Plate tectonics (from the Late Latin tectonicus, from the "pertaining to building") is a scientific theory that describes the large-scale motion of Earth's lithosphere. This theoretical model ...

In 2021, geologists animated a video that shows how Earth's tectonic plates moved over the last billion years.; The plates move together and apart at the speed of fingernail growth, and the video ...

Plate Tectonics. The Earth's plates jostle about in fits and starts that are punctuated with earthquakes and volcanic eruptions. ... At divergent boundaries in the oceans, ...

The tectonic plates are able to slowly move at the uppermost part of the Earth's mantle, where convection drives this process. ... Divergent plates pull apart, creating rift valleys.