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, ...

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

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

Italy's Mount Etna lays claim to several titles. It is: The world's most active "stratovolcano" Europe's largest and most active volcano One of the best-monitored volcanoes in the world One of the ...

Some volcanoes can produce eruptions so powerful they release oceans of dust and toxic gases into the air, blocking out sunlight and changing a planet’s climate for decades. By studying the topography ...

The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off ...

Few places on Earth demonstrate the raw power of geological activity like volcanoes. The dynamic processes beneath our planet's crust are the reasons behind (or rather, under) events like the July ...

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 ...