Mount Rainier’s quiet, snowcapped profile hides a restless interior that has just rattled itself with more than a thousand tiny earthquakes, a reminder that one of the country’s most dangerous ...

On Dec. 23, 2024, a unique eruption began in Kilauea’s Halema‘ma‘u crater, with a style of activity not seen for nearly 40 years. The eruption, characterized by high lava-fountaining episodes, has ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...