The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific ... out in volcanic eruptions such as those that formed some of the mountains in the Andes of South ...

This volcanic arc delineates the boundary between the Pacific and North American tectonic plates. A subduction zone, composed of the deep Aleutian Trench coupled with a landward line of volcanoes ...

Image caption, This is lava running from a shield volcano - a volcano formed where the tectonic plates move away from each other. Shield volcanoes on the other hand form at constructive tectonic ...

After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...

The graphic below shows how the movement of the Earth's tectonic plates causes volcanoes to be formed, and what triggers a volcanic eruption.

Volcanoes are usually found along the boundaries of tectonic plates. Constructive plate boundaries are where tectonic plates are moving apart, and magma here can gradually rise and form new crust ...

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

Available April 1st, in next week’s episode we will use everyday materials to learn about the formation of volcanoes ... crust caused by divergent tectonic plates or other faults.

Venus, however, is a different story. Its crust is thicker—anywhere from 30 to 90 kilometers—and its surface is extremely hot ...

Scientists have long been puzzled by volcanoes that erupt far from the edges of tectonic plates—known as intraplate volcanoes ...

After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...

Iceland is a country of fire and ice, home to several volcanoes and straddling two tectonic plates. The Eyjafjallajokull volcano ... Most of it was very fine particles which formed an ash cloud, ...