Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

Natural disasters, from wildfires, floods and mudslides in western states to large earthquakes in Japan, have rocked, burned and flooded parts of the world in the first months of 2025. What’s next?

The USGS Hawaiian Volcano Observatory spearheads Volcano Awareness Month each January on the Island of Hawaii. This year, in addition to in-person talks and walks around the island, we hosted an art ...

Sandra Vásquez de la Horra, El Ideal de un Calavera (The Ideal of a Skull), 2012; Graphite, watercolor, and wax on paper; 39 x 27 in. Photo: Cordia Schlegelmilch ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

Two long-dormant “supervolcanoes” on two separate continents appear to be stirring to life. Well, maybe. In recent months, more than a thousand minor earthquakes have rattled the area around the Campi ...

Iceland became the focus of many this past week as one of its many volcanoes erupted. Photos and videos mesmerize as they show fountains of lava spewing from the ground and thick plumes of smoke ...