What is the speed of tectonic plates?

Plate tectonics is a relatively new theory in the field of geology. It states that the lithosphere of the earth is divided into a small number of plates which float on and travel independently over the athenosphere, which lies over the mantle. Much of the earth's seismic activities occurs at the boundaries of these plates. read more

Plate tectonics is a relatively new theory in the field of geology. It states that the lithosphere of the earth is divided into a small number of plates which float on and travel independently over the athenosphere, which lies over the mantle. read more

Earth’s tectonic plates are moving faster now than at any point in the last 2 billion years, according to the latest study of plate movements. But the result is controversial, since previous work seemed to show the opposite. read more

Plate tectonics describes the motions of the 15 to 20 large rigid and brittle tectonic plates into which the Earth's outermost layer (called the"lithosphere") is broken. read more