Most geologic activity stems from the interplay where the plates meet or divide. The movement of the plates creates three types of tectonic boundaries ... connects the world's oceans, making ...

Four types of plate tectonic activity are demonstrated in this feature. Keep an eye on the map to see where in the world the activity takes place. Also known as spreading boundary, a divergent ...

According to plate tectonics theory, Earth's outer shell is divided into multiple plates that slowly glide over the mantle. This slowly changes Earth's surface over time by merging, or separating ...

Experts say portions of the continent are pulling apart, creating the possibility that the Horn of Africa will become an island.

Plate tectonics also exposes rocks that react ... Earth's history is a leap forward in the scientific grand challenge to map ...

Earthquakes happen every day all over the world, along both tectonic plate edges and interiors. Earthquakes occur along faults, which are fractures between blocks of rock that allow the blocks to move ...