A new online portal by NASA and the Alaska Satellite Facility maps satellite radar meas-urements across North America, ...

“Ashfall is going to be a big hazard,” says Matt Haney, the scientist-in-charge at the U.S. Geological Survey’s Alaska Volcano Observatory. Though volcanic ash might sound exceptionally peri ...

The latest Mount Etna eruption triggered an avalanche of volcanic material and sent ash miles into the air. Spectacular photos and videos capture the eruption of Europe's largest active volcano.

The ending of federal protections across millions of acres would allow drilling and mining in some of the last remaining ...

A lot of people visit Adak to see the crumbling military base, but it's the wildlife, land, and sea that are the real treat.

Much like its predecessor, the explosion did not appear to have a significant effect on the flow of lava, says Hannah Dietterich, a geophysicist at the USGS Alaska Volcano Observatory. As powerful ...

Officials have detected a surge in earthquake activity at a massive US volcano, sparking fears of an imminent eruption.

From the Adirondacks, to slot canyons, and Oympic National Park, discover our list of the 12 most stunning trails in the U.S.

In March, the observatory said Spurr’s eruption was “likely, but not certain, to occur within the next few weeks or months.” Since that report, activity at the volcano has declined slightly, though ...

Watch: During earthquake, elephants form 'alert circle' at San Diego Safari Park Map: 5.2 earthquake in mountains near ... Its scientists are also closely watching Great Sitkin, a volcano in Alaska’s ...

Its scientists are also closely watching Great Sitkin, a volcano in Alaska’s islands that has been slowly spewing lava since it began erupting in 2021. Another volcano that’s actively being ...