A 2022 satellite photo shows smoke rising from a caldera on Tofua, highlighting the "looming threat" of the volcanic island.

Your first glimpse of Crater Lake is absolutely breathtaking! Its deep blue waters are unmatched anywhere else. How did ...

Matt Haney, scientist-in-charge with the Alaska Volcano Observatory, said in an interview Monday, March 24, that Spurr first ...

Volcanologists at the Alaska Volcano Observatory have been monitoring volcanic unrest since April of last year.

Talar StocktonLocal Journalism Initiative ReporterYukon NewsA volcanic eruption over the border in Alaska in the coming ...

Oregon's lone national park, Crater Lake, is arguably one of the most beautiful alpine lakes on the planet. More than 7,700 years ago, an ancient volcano named Mount Mazama erupted and caused the ...

An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

So he rappelled into the heart of the volcano. Standing on the crater floor, he couldn't see the lake itself, which was above him within the cone of cooled lava. But he could hear its hissing ...

Around 900 years ago, a volcano – which has come to be called Sunset Crater – erupted and transformed the encircling area. Geologic features like cinders, lava rock and lava flow compose this ...

The Savonoski Crater is a round hole in Alaska's Katmai National Park that has defied scientific explanation ever since it was discovered.

On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant volcano had started rumbling 16 days before. Now, peering into a newborn crater ... to Manzanita Lake Park Entrance ...