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 ...
An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the Oregon Cascades, scientists have revealed.
This Alaska volcano is gonna blow!...Or, is it? - Mount Spurr’s last eruption occurred in 1992, sending ash over the heavily populated city of Anchorage and halting air travel ...