The aviation color code over the area has been changed from green to yellow as a precaution, the Icelandic meteorological ...
Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater.
The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles. The findings mean that the ...
The Yellowstone Caldera—the name refers to the large crater left behind after an eruption—is one of the largest volcanic systems on Earth. It is fed by the "Yellowstone Hotspot," where hot ...