1. The magma chamber fills

Deep in the volcano, magma rich in dissolved gases fills the chamber

The volcano

swells and ...

... earthquakes

are felt on the

surface

2. The volcano erupts

Magma rises in the chamber and up through the volcano’s narrow vents

Molten particles

are thrown into

the air, falling as

ash rain ...

... lava flows

from the

volcano

1. The magma chamber fills

2. The volcano erupts

Magma rises in the chamber and up through the volcano’s narrow vents

Deep in the volcano, magma rich in dissolved gases fills the chamber

The volcano

swells and ...

... earthquakes

are felt on the

surface

Molten particles

are thrown into

the air, falling as

ash rain ...

... lava flows

from the

volcano