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 ...

But the theory of plate tectonics has rocked this picture of the planet to its core. Plate tectonics reveals how Earth’s surface is constantly in motion, and how its features — volcanoes ...

is now explained by Plate Tectonic Theory. According to this theory earth’s crust is divided into major and minor rigid plates called tectonic plates. These plates move relative to each over the ...

By Clay Risen W. Jason Morgan, who in 1967 developed the theory of plate tectonics — a framework that revolutionized the study of earthquakes, volcanoes and the slow, steady shift of the ...