The Alaska Volcano Observatory says that if the snowcapped volcano erupts, the impacts could include damage to aircraft from ash.

The agency started updating California's tsunami danger maps after 2011's Tohoku-Oki earthquake and tsunami in Japan that ...

Lori Townsend reports, the people who monitor seismic activity worldwide are in Alaska Alaskans know that the risk of tsunami is always ... But in the Aleutian Islands, a four is a yawner.