When thinking of the world's most dangerous volcanoes, I am sure you imagine the largest of them. When thinking of something dangerous, I expect it to be large, or at least well-known. However, ...

A powerful swarm of earthquakes in January suggested one of Iceland’s giant “ice volcanoes” may be awakening after a decade of slumber. In the months that followed, more earthquakes have rocked the ...

In the 1780s, the volcano rumbled to life with such force that it sent high-speed avalanches of hot rock, gas and ash down its slopes. Those flows quickly melted the snow and ice and mixed with the ...

Here’s what you’ll learn when you read this story: Geothermal energy accounts for only 0.4 percent of the U.S.’s energy output, but by using a technique known as “superhot rocks,” that number could ...

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...

Our western volcanoes : an overview -- Plates in motion : the ring of fire, hot spots, and supereruptions -- Magma and mountains : how volcanoes erupt and the landforms they build -- Glaciers on ...