The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.
One of the most active volcanic cones on Hawaii's Big Island has erupted yet again Puu Oo, a volcanic cone in Mount Kilauea's eastern rift zone, has been actively erupting since January 3, 1983. Since ...
Italy's Mount Etna produced a spectacularly explosive eruption Monday morning, sending a ripple of reddish clouds down from its summit. The soaring ash rose to form a mushroom cloud high above Etna, ...