Mount Spurr has begun to stir after decades of silence. This 11,070-foot stratovolcano sits 81 miles west of Anchorage, ...

Learn about the escalating threat of volcanoes in Iceland and how a new warning system is helping to inform the public when ...

The impending eruption ... volcano neighbor? The USGS can help you find an answer and provide monitoring. Once you have determined your risk — and are aware of how to monitor for changes to it — you ...

This image from webcam footage provided by the United States Geological Survey (USGS) shows lava shooting up high during an ongoing eruption of Kilauea volcano inside Hawaii Volcanoes National ...