In contrast, the plateaus of central Yellowstone National Park, created from explosive and lava-flow eruptions with rhyolite compositions ... and became more diverse about 11,700 years ago. On ...

After Albert’s explanation of Afar’s volcanic and tectonic past, I will look into this region’s Holocene volcanism, and try to create the first comprehensive volcanic history of this very ...

This list was originally published May 18, 2015, to celebrate 125 years of The Arizona Republic. We've brought it back to help mark Arizona's 106th birthday! There are endless reasons to love ...

The eerie Bonito Lava Flow shows the power of the eruption of Sunset Crater ... which has signs pointing out some of the symbols among the outcroppings of dark andesite.Rock art is a collective name ...

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

According to the US Geological Survey’s (USGS) Hawaiian Volcano Observatory, episode 12 of the Halemaʻumaʻu eruption began on ...

When people think of volcanoes, they don’t typically think of Michigan. But volcanic activity was the driving force behind ...

The evidence is hiding in plain sight. What we see as Isle Royale and the Keweenaw Peninsula is actually part of the one of the largest known lava flows on Earth. A map of the different forms of ...

A tall fountain of lava is spewing from a volcano on Hawaii’s Big Island again. Webcam video from Tuesday shows vigorous ...