The five main types of volcanic eruptions and their characteristics, depending on the composition and viscosity of the magma.

When pressure was high enough, the magma broke through brittle surface rock and became lava – and the eruption began in late ...

Lead author Nick Mortimer noted the scale of magma eruptions across Zealandia ... Rock samples from Fairway Ridge near New Caledonia revealed granite formations belonging to a 4,000 km-long geological ...

Massive fields of magma underneath ancient volcanoes spewed out carbon dioxide long after eruptions on the surface had ended, potentially explaining why past global warming episodes lasted longer ...

It may be shocking to some, but geologists have confirmed that Hong Kong exists today thanks to an extraordinary volcanic eruption ... of magma are marked out in the form of granite.

The analyses showed that massive ancient volcanic provinces shut down slowly. At the surface, eruptions may have stopped, but deep in the crust and mantle, magma was still releasing carbon dioxide, ...

Image Credit: AFP file PARIS: Massive fields of magma underneath ancient volcanoes spewed out carbon dioxide long after eruptions on the surface had ended, potentially explaining why past global ...