Several volcanoes in our northernmost state of Alaska are showing increased signs of activity, and scientists are keeping a wary eye on them both. Rosen for Reuters.

The two-month long, low-level eruptions occurring at a volcano in Alaska's Aleutian Islands have volcanologists worried that there could be a larger eruption forthcoming.

Mount Cleveland is reported to be on watch status with an aviation color code of orange, according to the Alaska Volcano Observatory (AVO).

On the remote, uninhabited Chuginadak Island in Alaska, a volcano has begun erupting, but poses little danger to people or aircraft, officials said Tuesday.

Alaska officials have raised the alert level of a volcano after a growing lava dome appeared in its summit crater.