The disaster began midday on August 24 or October 24, 79 CE, when Mount Vesuvius erupted, sending a cloud of volcanic fragments and gas into the air.

Igneous rocks form when magma cools underground or erupts at the surface as lava. The magma rises into the Earth’s crust, where it can get trapped underground or erupt from volcanoes as molten lava.

Beaches around the world come in many colors, from the familiar golden and white sands to rarer hues like pink, red, and even ...

The Eifel is a volcanic region in the center of ... whereby melts permeated the adjacent rock and thus triggered sapphire formation. "In the Eifel, both magmatic and metamorphic processes, in ...

Volcanic ash is formed during explosive volcanic eruptions when dissolved gases in magma expand and escape violently into the atmosphere. The force of the gasses shatters the magma and propels it into ...

What preserved this prehistoric village, what formed a perfect impression of ... a truly astonishing array of curios carved from volcanic rock (Buddha, the Pietà, frogs, owls, the Three Graces ...