Great Sitkin Volcano sits in Alaska’s Aleutian Islands, under busy flight paths between Asia, North America, and Europe. Lava ...

The Alaska Volcano Observatory has issued its highest level of alert for aviation after what it says was a brief explosion of a volcano on the Aleutian Islands. The observatory says pilots reported ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...

Beneath Alaska’s breathtaking landscapes and pristine wilderness lies one of the most geologically active regions on the planet. The Alaska Peninsula and Aleutian Islands form a volcanic arc that ...

ANCHORAGE, Alaska (AP) -- A volcano on Atka Island in the Aleutians erupted briefly, sending ash and steam to about 8,000 feet and making some residents nervous.