Plate boundaries are where the action is. A large fraction of all earthquakes, volcanic eruptions, and mountain building occurs at plate boundaries. It is also where most of the people on Earth live.

Plate tectonics explains the movement of Earth's surface. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Philip Heron receives funding from Natural Sciences and Engineering Research Council of Canada. He works for the University of Toronto. University of Toronto provides funding as a founding partner of ...

The theory of Plate tectonics – developed from Alfred Wegener’s theory of Continental Drift to explain the movement of the continents – has become the prevailing theory underpinning our understanding ...