From the fiery lava fountains of Hawaiʻi’s Kīlauea volcano to the dramatic eruption of the Reykjanes Peninsula Fissure ...

Indonesia’s Mount Semeru volcano erupted Wednesday afternoon around 4:00 p.m. local time, sending ash more than 6,500 feet into the air, according to data from the country’s Center for Volcanology.

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes ...