The eruption would most likely occur at the Crater Peak side vent, and 'it would be explosive,' Matt Haney, scientist-in-charge at the Alaska Volcano Observatory (AVO) at US Geological Survey ...

Alaska residents are again being urged to brace themselves for a possible eruption of Mount Spurr. Following up on last week's warning, the Alaska Volcano Observatory reiterated in a series of ...

Established in 1924, the Wupatki National Monument – part of a collective of Flagstaff Area National Monuments, including Sunset Crater Volcano and Walnut Canyon – is a nature and culture ...