LIVE – Updated at 08:27. Mount Etna’s craters continue to smoulder two days after its largest eruption in four years sent tourists fleeing from a vast column of gas and ash on Monday.

With a competent guide, active volcano treks are both safe and worth the climb. Here are some of the tallest active volcanoes ...

Mount Etna's eruption, captured by the European Space Agency's (ESA) Copernicus Sentinel-5P satellite, revealed massive plumes of ash and smoke, as lava streaked down the side of the volcano.

Deadly past. Inspiring ancient Greek legends, Etna has had scores of known eruptions in its history. An eruption in 396 B.C., has been credited with keeping the army of Carthage at bay.

People take pictures of the smoke rising over the city of Taormina during an eruption of the Mount Etna, one of the most active volcanoes in the world, near Catania, Dec. 4, 2015.

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.. But the defining event of Monday’s eruption ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.. But the defining event of Monday’s eruption ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.. But the defining event of Monday’s eruption ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.. But the defining event of Monday’s eruption ...

Mount Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke and high into the sky.But the defining event of Monday’s eruption ...

Deadly past. Inspiring ancient Greek legends, Etna has had scores of known eruptions in its history. An eruption in 396 B.C., has been credited with keeping the army of Carthage at bay.