Tectonic plates are massive slabs of Earth's lithosphere that float atop the semi-fluid mantle, constantly shifting and ...

The three major tectonic plates off the Pacific Northwest coast are undergoing a gradual shift, and the area in which they converge – popularly known as the "Triple Junction" – appears to be ...

Plate tectonics – the large-scale movement of Earth’s lithosphere or outer layers – started around three billion years ago, but how those movements started was a bit of a mystery – until ...

Plate tectonics cannot explain dynamics of Earth and crust formation more than three billion years ago Date: June 1, 2012 Source: University of Copenhagen Summary: The current theory of ...

The Pacific tectonic plate formed at the junction of three other plates and above of the remains of a submerged plate, geophysicists propose.

Chemical fingerprints from volcanic rock offer hints of what’s happening in the mantle below the area where three rift zones meet in East Africa ...

An illustration of Earth 250 million years ago when the megacontinent Pangaea existed At three moments in the past, Earth’s geological activity picked up the pace. Its tectonic plates moved 30 ...

Geologists are using new techniques like precise GPS measurements to figure out what's driving apart three tectonic plates in Ethiopia.