Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

Plans are underway to implement a new volcano monitoring system across the United States. The radar-based system, called VolcSARvatory, was developed in a joint effort by the University of Alaska ...

Scientists have collaborated to analyze the inner workings of Bolivia's 'zombie' volcano, Uturuncu. By combining seismology, physics models and analysis of rock composition, researchers identify the ...

An "unusually large" ice volcano in Iceland could be about to blow after more than 130 earthquakes hit the region in a five-hour period, experts say. The earthquake swarm began in the northwestern ...

For much of 2025, an underwater volcano off the Oregon coast was treated as a geological ticking clock, with forecasts suggesting it could erupt at almost any moment. Instead, the year is ending ...

Some cities just happen to exist uncomfortably close to volcanoes. That kind of proximity affects routines, infrastructure, and how people think about risk. Scientists surveil shifting ground and ...

Kilauea volcano put on another amazing — if short-lived — show Saturday with the onset of Episode 41 in its current long-running eruption, as two lava fountains spewed an “unprecedented” amount of ...

The Bárðarbunga volcano system was responsible for Iceland's largest eruption for 300 years back in 2014. After a recent increase in seismic activity, could it be about to erupt again? When you ...