Spain and Portugal are taking a turn. The Iberian Peninsula sits on a boundary between two large tectonic plates that are ...
The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...
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Earthquakes: Facts about why the Earth moves
Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of another layer, called the mantle.
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