The world is watching as Iceland prepares for a possible volcanic eruption following numerous small earthquakes that have affected the North Atlantic island country. The staggering seismic activity ...

How do volcanoes work? What happens beneath their surface? What causes the vibrations – known as tremor – that occur when ...

The rising mantle does more than just flow. It brings heat and pressure to the surface, where it causes volcanoes to form and earthquakes to strike. The way these upwellings move and shift helps ...

A recent report from the Icelandic Meteorological Office suggests that magma is building up underground near a volcano known as Askja, a mountain about the size of Mount St. Helens in Vatnajokull ...

It brings heat and pressure to the surface, where it causes volcanoes to form and earthquakes to strike. The way these upwellings move and shift helps explain why certain places experience more ...