On the afternoon of November 25, Kīlauea's summit erupted with dramatic precision at 2:30 p.m. HST, sending fountains of ...

The explosive power and content of a volcanic eruption are determined by two key factors: the viscosity of the magma and its ...

As these chambers fill up, pressure exerted on the surrounding rock increases. Eventually, some of the magma pushes through ...

Not many natural phenomena are as magnificent as a volcano erupting. Yet, experiencing this event in a completely safe environment is extremely rare, and only a few lucky individuals can experience it ...

The onset of Episode 37 was marked by the eruption of sustained lava fountains reaching heights of approximately 400 feet (120 meters) from the north vent. The U.S. Geological Survey (USGS) Hawaiian ...

Learn about the recent eruption of Hayli Gubbi, a volcano in Ethiopia that was previously dormant for nearly 12,000 years.

A video of the Kīlauea volcano erupting is going viral on social media. In this video, lava erupting from the volcano can be ...

This striking satellite photo shows red-hot lava winding into the sea during a volcanic eruption on La Palma in the Canary Islands. The "river of fire" completely wiped out a small town and unleashed ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was ...

A new study explains why even gas-rich, supposedly explosive volcanoes sometimes erupt quietly instead of blowing apart.

A gigantic volcanic eruption occurred at Mount Etna on the Italian island of Sicily on Monday, shooting massive ash plumes miles into the air and sending tourists fleeing. The eruption, which began ...