A rumble deep inside Earth. Hot, flowing magma is trapped and needs a way to escape. Pressure builds and causes a break in the surface. Eruption! Volcanic eruptions can shoot lava, ash, and smoke over a huge area. Why do they happen? Learn about volcanoes, what causes them, and how to be prepared.
A rumble deep inside Earth. Hot, flowing magma is trapped and needs a way to escape. Pressure builds and causes a break in the surface. Eruption! Volcanic eruptions can shoot lava, ash, and smoke over a huge area. Why do they happen? Learn about volcanoes, what causes them, and how to be prepared.
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