Category Tectonic Plates

Why Volcanoes Form Along Tectonic Boundaries

Cross-section of subducting oceanic plate generating magma and volcanic eruption

Volcanoes are closely linked to the movement of tectonic plates, the massive slabs of rock that make up Earth’s crust. Most volcanic activity occurs along plate boundaries. 1. Subduction Zones When one plate slides beneath another, it melts into magma.…