An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

A major U.S. city is under threat from a potential volcanic eruption after more than 20 earthquakes were recorded in Alaska.

Over the past two weeks, several equipment outages at the Philadelphia-based air traffic control center that guides planes to ...

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Photograph by Matt Loewen, Alaska Volcano Observatory, U.S. Geological Survey ...

According to Phivolcs, a “moderately explosive eruption” occurred at Kanlaon Volcano’s summit crater at 2:55 a.m., which lasted for five minutes based on seismic and infrasound data.

More than two dozen earthquakes have rattled a massive Alaska volcano over the last two days, potentially signaling an imminent eruption. Mount Spurr, which is 11,000-foot-tall and located 81 ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat levels.

The Philippine Institute of Volcanology and Seismology said a moderately explosive eruption occurred at the summit crater of Kanlaon Volcano before dawn, lasting five minutes based on seismic and ...