Researchers have identified a stable, gas-venting magma cap beneath Yellowstone, reducing eruption risk and advancing ...

The likelihood of Alaska’s Mount Spurr volcano erupting has decreased - but Alaskans aren’t out of the woods yet, according ...

At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, geologists look ...

Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, Geologists look for clues about prehistoric earthquakes at the bottom of lakes in the ...

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

Several dozen earthquakes have been recorded in Alaska near a volcano that experts say could soon erupt. The Alaska Volcano Observatory (AVO) reported detecting no fewer than 55 tremors over the past ...

During a monitoring overflight on April 9, 2025, USGS Hawaiian Volcano Observatory field crews observed that the ponded lava in the north vent from April 8 had drained and/or collapsed. The south vent ...

Hydroacoustic signals captured by the world’s international nuclear monitoring system suggest an underwater landslide may ...

At least 16 people have been killed in a wide swath of violent storms, flooding and tornadoes that hit the South and Midwest ...