Cluster of Alaskan volcanic islands may be a giant volcano similar to the Yellowstone Caldera
Cluster of six Alaskan volcanic islands may be an interconnected giant volcano that is similar to the Yellowstone Caldera with previous eruptions more powerful than Mount St. Helen in 1980, study reveals The Islands of the Four Mountains in Alaska is made of six volcanic islands Experts now suggest they interconnect to make a single, … Read more