Getty Image When thinking of the world's most dangerous volcanoes, I am sure you imagine the largest of them. When thinking ...

Volcanoes are often framed as spectacular local disasters, but a growing body of research argues that the most dangerous eruptions may come from poorly monitored or even hidden systems that could ...

Seth Moran is worried about Mount Hood. 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 ...

Ecuador has several dormant volcanoes not only challenging in themselves, but great practice for bigger peaks. Here is a ...

One of the most dangerous volcanoes in America was shaken by hundreds of earthquakes Tuesday morning. Mount Rainier, which the U.S. Geological Survey considers the second most dangerous volcano in 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 ...

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active volcano in ...

Lava flows create a map-like pattern on black basalt rocks at Iceland’s Fagradalsfjall volcano, which erupted in March 2021 for the first time in nearly 800 years. On June 2, 2025, Italy’s Mount Etna, ...

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 ...

On June 2, 2025, Italy’s Mount Etna, one of Earth’s most active volcanoes, erupted again, releasing what experts called a “lava fountain” that sent tourists rushing downhill to safety. In late March ...