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 ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

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, ...

Scientists from Mexico’s National Autonomous University have created the first three-dimensional image of the Popocatépetl volcano's interior POPOCATÉPETL VOLCANO, Mexico -- In the predawn darkness, a ...

Hawaii Volcanoes National Park Hikes will put you in the heart of this park's (Or Pele's) fiery past, present, and futur ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San Francisco, the ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the public ...

This is read by an automated voice. Please report any issues or inconsistencies here. Mexican scientists have created the first three-dimensional map of Popocatépetl’s interior, revealing multiple ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...