A team of researchers including Scripps Institution of Oceanography, UC San Diego geophysicist Dave Stegman has developed a new theory to explain the global motions of tectonic plates on the earth ...

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north ...

Tectonics in Puerto Rico are dominated by the convergence between the North America and Caribbean tectonic plates. More earthquakes are possible in Puerto Rico, as is a risk for tsunamis.

A diagram of a diamond explosion. Gemological Science International. For example, the researchers found the break-up of the supercontinent Gondwana into Africa and South America, which occurred ...

Around 200 million years ago (Ma or mega-annum in the reconstruction), when the dinosaurs walked the earth, Gondwana linked with North America, Europe and northern Asia to form a large ...

Operated between 1959 and 1967, it reflected America's strategic interest in this part of the Arctic, but it was a brief (and ill-fated) foray, rather than a lasting link.

It spans 8900 kilometres along South America's western periphery, is up to 700 kilometres wide, and in some places, climb nearly seven kilometres into the sky. ... FACT BOX: ABOUT PLATE TECTONICS.