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.

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 ...

For millions of years, Earth’s moving plates have sculpted continents, carved oceans, and built massive mountain ranges. Yet some of these giant structures vanished deep into the mantle, hidden from ...

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 ...

If you look at a map of every earthquake in the past 15 years side by side with a map of plate tectonics you can immediately see the similarities. This is because most earthquakes on Earth are ...

Earth is estimated to be around 4.5 billion years old, with life first appearing around 3 billion years ago. To unravel this incredible history, scientists use a range of different techniques to ...

Earth is estimated to be around 4.5 billion years old, with life first appearing around 3 billion years ago. To unravel this incredible history, scientists use a range of different techniques to ...