Mount Ruang spewing hot lava and smoke as seen from Sitaro, ... Mount Pinatubo in the Philippines in 1991 measured 6 on the index. Mount St. Helens in the United States in 1980 measured 5.

STORY: Perched above the Sicilian town of Catania, Mount Etna frequently erupts, yet its outbursts seldom result in significant damage.Mount Etna is believed to have the longest documented history ...

A "lava fountain" has started flowing down the side of Mount Etna. Early images have caught an orange tinge to the grey ash cloud that has been seen spewing out since early this morning.

Lava began gurgling out of the volcano on June 6, ... Magma infused with gas—not unlike a carbonated drink—reached the surface on June 12, unleashing Mount Pinatubo’s first violent eruption.

As Italy's Mount Etna continued to erupt, three daredevil skiers were captured skiing down the snowy slopes. Video footage shows the skiers coming down the slopes with glowing, molten lava flowing ...