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 ...
Its last eruptions came in a series that stretched ... on the volcanoes closest to population centers: 11,069-foot Mount Spurr, located about 70 miles west of Anchorage; 5,905-foot Makushin ...