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 ...

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 ...

Iceland is a country of fire and ice, home to several volcanoes and straddling two tectonic plates. The Eyjafjallajokull volcano began erupting in March ... Most of it was very fine particles which ...

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 ...

The process subsequently formed the Atlantic Ocean, while the ancient Tethys Ocean transitioned into the existing Mediterranean Sea. The tectonic plates are continually moving and may form an ...

At 4,000 miles long and 30–40 miles wide, the East African Rift (EAR) system is one of the geologic wonders of the world.

The Ring of Fire is home to 75% of the world's volcanoes and 90% of its earthquakes ... the Ring of Fire traces the meeting points of many tectonic plates, including the Eurasian, North American ...