Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Russia's far eastern region of Kamchatka Peninsula was hit by a devastating 8.8 magnitude earthquake early on July 30, which ...

Researchers recently discovered a huge chain of extinct volcanoes buried deep below South China that formed when two tectonic ...

Map of South America showing the change in the number of days of simultaneous heat, dryness, and fire risk between the periods 1971–2000 and 2001–2022. This is Fig 1a from the published paper.

Today, the arc is closer to the Pacific coast in northern Central America and toward central Costa Rica. Most of the volcanoes you see today are 500,000 to 250,000 years old.

The volcanoes are along what's known as the Ring of Fire, a 25,000-mile-long horseshoe-shaped string of volcanoes and seismically active areas that stretches from the southern tip of South America ...

Image: A CU-Boulder-led team has discovered some rare, primitive microorganisms on high volcanoes in South America that may be fueled by drifting gases in the region rather than photosynthesis ...