James Baichtal, U.S. Forest Service

A Blast of a Find: 12 New Alaskan Volcanoes

In Alaska, scores of volcanoes and strange lava flows have escaped scrutiny for decades, shrouded by lush forests and hidden under bobbing coastlines.

June 3, 2013
12:00 PM EDT
Underwater volcanoes and cinder cones pockmark Behm Canal. | James Baichtal, U.S. Forest Service, Google Earth
This spectacular columnar joint pattern in lava exposed in Alaska's Suemez Island formed when the lava flowed next to a glacier about 700,000 years ago. | Susan Karl, U.S. Geological Survey