EGCSE Geography · Plate tectonics · 5 min
Volcanoes:
Where the Earth breathes fire
Narrated explanationReady
A volcano is an opening in the Earth's crust where magma, gas, and ash escape. Most form along the edges of tectonic plates.
Magma underground, lava above ground.
Explore in 3D
Drag to rotate“Stratovolcano Model” by ilhamsbi on Sketchfab
Magma chamber
A pool of molten rock beneath the volcano.
Quick check
1. What is magma called once it reaches the surface?
2. Where do most volcanoes form?