Why do Africa and South America fit together? Anyone who’s ever looked at a map can see that Earth’s continents are kind of like a jigsaw puzzle. The idea that continents are constantly moving and ...

A new analysis shows that most (59%) plate boundaries have a relative velocity vector that is markedly oblique (greater than 22°) to the boundary normal. A significant proportion (14%) have vectors ...

This is a preview. Log in through your library . Abstract Volcanism on Earth is known to occur in three tectonic settings: divergent plate boundaries (such as mid-ocean ridges), convergent plate ...