Lava spurts from Eyja in Iceland last spring.
If Earth were the size of an apple, the crust would only be about as thick as the apple’s skin.
Crust Mantle Core
At its deepest, the crust is only 70 kilometers (43 miles) deep.
Magma comes from the mantle. It is 2,900 kilometers (1,800 miles) deep.
The inner core of Earth is solid metal.
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