Alaska Volcano Observatory, Mount Spurr

When most of us think about active volcanoes in the U.S., Mount St. Helens, Mt. Rainier and a few others will first come to mind. However, one of the most active volcanoes in the region is about a ...
This Alaska volcano is gonna blow!...Or, is it? - Mount Spurr’s last eruption occurred in 1992, sending ash over the heavily ...