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

The Crater Peak vent, located about 3 miles below ... cauldron hydrothermal events" or rather volcanic eruptions that occurred under a glacier and created a depression or "cauldron" on the ice's ...

Mount Spurr, located about 75 miles West of Anchorage, has been acting up in recent weeks, prompting officials at the U.S. Geological Survey and Alaska Volcano Observatory to issue a yellow alert.

With Spurr rumbling near Anchorage, let's look at some of the largest eruptions in the most volcanically active state of the ...

Discover America's most scenic roads with the top national park drives. Our guide features eight stunning scenic routes with ...

When the weather’s nice, of course.) • The U.S. Geological Survey says that Glacier Peak last erupted about 300 years ago, but its eruptions over the millennia before that time contributed to ...

What not to miss: The challenging 5-mile round-trip Lassen Peak Trail offers spectacular ... Shaped into dramatic rock spires by prehistoric eruptions and rich in oak and chaparral forest, the ...

With a claim to fame as the world’s youngest geothermal site, the striking Waimangu Volcanic Valley hydrothermal system bubbled to life as recently as 1886 after the eruption of Mount ... ensures each ...

Kilauea in Hawaii ranks at the top, followed by Mount Saint Helens and Mount Rainier. Washington is home to three other active volcanoes, including Mount Adams, Mount Baker and Glacier Peak.