Mount Redoubt showed increased unrest Sunday as the volcano continued to rumble and grumble and produced a substantial ash and steam plume.

An undersea volcano erupted off the coast of Tonga shooting clouds of smoke, steam and ash thousands of feet (meters) into the sky above the South Pacific ocean, officials said Wednesday.

Alaska’s Mount Redoubt is rumbling again and geologists at the Alaska Volcano Observatory increased the official alert level to orange, the stage just before eruption.

Officials say scores of people who had returned to a Chilean town destroyed by a volcanic eruption are being evacuated again as the volcano roars back to life.

Mount Redoubt in southern Alaska is puffing a little steam and emitting volcanic gases but still hasn’t erupted.

Maree Shogren knows firsthand the toxic power of a volcano, so don’t blame her for being a little freaked out about the expected eruption of Alaska’s Mount Redoubt.

Geologists monitoring Mount Redoubt for signs of a possible eruption noticed that a hole in the glacier clinging to the north side of the volcano had doubled in size overnight _ and now spans the length of two football fields.

Hardware stores and auto parts shops scored a post-holiday run of business this week as Anchorage-area residents stocked up on protective eyewear and masks ahead of a possible eruption of Mount Redoubt.

The Chilean government says it will relocate a southern village that was destroyed by a volcanic eruption last year.

Mount Redoubt, a volcano 100 miles southwest of Anchorage, is rumbling and simmering, prompting geologists to warn that an eruption may be imminent.