While scientists already knew about the ancient volcanic blast, the new research has revealed its record scale and pinpointed it as the largest eruption of the current geological epoch.

Volcanologists are closely monitoring the 11,070-foot-tall stratovolcano, located roughly 75 miles from Anchorage, after a recent uptick in earthquakes ...

"Current hazards include volcanic gas emissions and windblown volcanic glass (Pele's Hair) that may impact Hawai'i Volcanoes National Park and nearby communities," the U.S. Geological Survey's ...

The Pacific Island nation of Tonga was virtually cut off from the rest of the world Monday, after a massive volcanic blast that crippled communications and stalled emergency relief efforts.

A volcanic eruption in southern Japan 30,000 years ago was so massive it dumped a 10-centimeter layer of ash in what is now the sprawling metropolis of Tokyo, according to researchers. A team at ...

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This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.