Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

Plate boundaries are where the action is. A large fraction of all earthquakes, volcanic eruptions, and mountain building occurs at plate boundaries. It is also where most of the people on Earth live.

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

W. Jason Morgan, a Princeton University geologist who laid out an influential new vision of our evolving planet, attributing the most powerful upheavals — earthquakes, volcanoes and the formation of ...

The theory of Plate tectonics – developed from Alfred Wegener’s theory of Continental Drift to explain the movement of the continents – has become the prevailing theory underpinning our understanding ...

A gravity gradient model of the central Indian Ocean shows the junction of the African tectonic plate (left), the Indo-Australian plate (right) and the Antarctic plate (bottom). Credit: Scripps ...

Add Yahoo as a preferred source to see more of our stories on Google. Map of Earth's principal tectonic plates. Earth's lithosphere. Major and minor plates. arrows indicate direction of movement at ...