A tale of two kinds of volcanoes

At an idyllic island in the Mediterranean Sea, ocean covers up the site of a vast volcanic explosion from 3200 years ago. A few hundred kilometers north-west, three other islands still have their volcanic histories from a ...

Volcanic arcs form by deep melting of rock mixtures

Beneath the ocean, massive tectonic plates collide and grind against one another, which drives one below the other. This powerful collision, called subduction, is responsible for forming volcanic arcs that are home to some ...

MIT solves longstanding volcanic mystery

For decades, geologists have been puzzled by the mechanisms that give rise to the kind of volcanoes that form the so-called “ring of fire” around the Pacific Ocean. These arc volcanoes, which account for about 10 to 25 ...