The Philippine Institute of Volcanology and Seismology (Phivolcs) on Friday warned of possible lahar flow from Mayon Volcano ...

Geologists are closely monitoring Mount Spurr in the Aleutian Arc of Alaska, USA, after continued volcanic unrest. The Alaska ...

If Mount Spurr does erupt, it could produce explosive plumes of ash, destructive mudslides called lahars and avalanches of ...

A volcano near Alaska’s most populous city may be preparing to erupt, according to experts who have been monitoring the ...

Residents on the popular island of Santorini have experienced thousands of earthquakes this month while researchers have ...

the Japanese government revised its volcanic hazard map for Mount Fuji for the first time in 17 years. This comes as new data shows that lava flows from a major eruption could spread as far as 40 ...

While the town around him was engulfed by searing pyroclastic flows, one man achieved the impossible ... For weeks, the volcano had been grumbling with ominous signs: ash clouds, sulfuric ...

A revised hazard map for volcanic Mount Fuji in central Japan ... The volume of a possible pyroclastic flow rose about fourfold from the previous estimate of 2.4 million cubic meters to 10 ...

Volcanic ash. Clouds of ash can rise miles into the sky and block out light from the Sun, changing temperatures across the land and damaging aeroplanes in flight. Pyroclastic flow. Hot gas ...

Volcanic ash. Clouds of ash can rise miles into the sky and block out light from the Sun, changing temperatures across the land and damaging aeroplanes in flight. Pyroclastic flow. Hot gas ...

YAMAGUCHI—An eruption of Mount Aso in Kumamoto Prefecture 90,000 years ago created a pyroclastic flow that traveled 170 kilometers north to the Sabagawa river here, the longest such distance ...

Fortunately, there are not any communities within the potential path of pyroclastic flows or lahars from Mount Spurr. But the amount of ash that would spew forth from this volcano could pose a ...