Casey Grove / Alaska Public Media

Ash could "easily move further across the Aleutians towards Dutch Harbor. It could affect, maybe, Southeast Alaska. We’ll just have to see. It’s still putting out ash," said Hans Schwaiger, a research geophysicist with the Alaska Volcano Observatory.

The new strain of bird flu that arrived in Alaska with the spring migration has now been detected in a fox that died in the Aleutian Islands. Wildlife officials say the red fox, as well as eagles, found dead in the Unalaska area, were most likely feeding on birds that had died from the H5N1 avian influenza.