Indonesia’s frequent earthquakes are not random; they can be traced back to the dynamic and powerful forces of plate tectonics. But what exactly is plate tectonics, and how does it cause Indonesia to ...

A mysterious layer lies beneath Earth's massive tectonic plates. Sandwiched between two rock layers — the rigid lithosphere and the more pliable asthenosphere — this thin boundary is like the ...

Scientists have confirmed that a fault line off the west coast of Haida Gwaii is of the megathrust variety, capable of ...

At the intersection of the two plates, called a plate boundary, the seafloor of the Nazca is pushing under South America at a rate of about 2.5 inches a year.

Scientists have found a layer of liquefied molten rock in Earth's mantle that may be acting as a lubricant for the sliding motions of the planet's massive tectonic plates. The discovery may carry ...

Europa's sliding 'continents' of ice: Jupiter's moon has plate tectonics like Earth Scientists have found the first sign of this geologic activity on a solar system world other than Earth a year ...

The estimate is 50% of plate tectonic movement is driven by this heat, and about 20 terawatts of heat flows between the core and the mantle. That's just slightly more than the average total power ...