360º Panorama of Aniakchak Caldera View this 360º panorama of the inside of the Aniakchak Caldera. Requires QuickTime. more...
Did You Know?
Aniakchak Caldera is six miles (10 kilometers) across and 3,000 feet (1000 meters) deep. Created by a volcanic eruption approximately 3,500 years ago, the caldera resulted from the collapse of a 7,000 foot mountain.