Mount Spurr near Anchorage has been showing signs of unrest for a year. Now scientists think it's creeping closer to an ...

The Alaska Volcano Observatory says that if the snowcapped volcano erupts, the impacts could include damage to aircraft from ...

The known sequence of Maunaloa’s 1868 events began with an eruptive phase beginning at about dawn March 27 at the summit, lasting a couple of hours. Seismicity escalated thereafter, with Kaʻū ...

Yellowstone has never erupted within recorded human history. But a new discovery has highlighted just how active this ...

It may be famous for its reliable 'Old Faithful' geyser, but one should never forget that Yellowstone National Park sits on ...

A major US city that's home to nearly 300,000 people is bracing for an impending volcanic eruption. Municipality and school district officials have shared details about their preparations.

Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes National Park on Wednesday morning ...

Observatory leaders have assured local emergency officials their public service will continue, but questions linger about how ...

Lava fountains reached heights up to 700 feet at Hawaii’s Kilauea volcano on Thursday, March 20, amid the volcano’s latest eruption episode.The volcano entered “episode 14” of an ongoing eruption at ...

Mount Spurr, a volcano in Alaska, is showing signs of elevated unrest, with scientists warning that it could erupt in a ...

Gas emissions, earthquakes and ground deformations at Mount Spurr, an Alaskan volcano roughly 80 miles northwest of Anchorage ...

Hawaii’s Kilauea volcano erupted again on Wednesday, sending lava fountains soaring up to 700 feet before ceasing after 28 ...