Rumbling volcano keeps Alaskan geologists on edge

This Jan. 27, 2009, photo released by Alaska Volcano Observatory shows Alaska Volcano Observatory geologist Ryan Bierma standing next to the AVO Redoubt Hut, 7.5 miles north-northwest of Redoubt Volcano's summit. Ryan was completing the installing of the Redoubt Hut webcam. The volcano about 100 miles southwest of Anchorage is rumbling and simmering, prompting geologists to warn that an eruption may be imminent.

Alaska Volcano Observatory, Cyrus Read/The AP
Published: Sunday, February 1, 2009 at 5:02 p.m.
Last Modified: Sunday, February 1, 2009 at 5:02 p.m.

ANCHORAGE, Alaska Geologists monitoring Alaska's Mount Redoubt say the volcano continues to rumble and emit steam but has shown no dramatic burst of energy in the last 24 hours.

Geologist Tina Neal at the Alaska Volcano Observatory says no flyovers are planned for Sunday unless activity picks up significantly.

Observers flying over Redoubt Saturday noted a quickly growing area of vigorous steaming at the 7,100 foot (2,164 meter) level on the north side of the mountain.

The area is just below a dome that formed the last time Redoubt erupted in 1990.

Observers also saw a "collapse feature" where ice has melted in a flat area at 9,000 feet (2,743 meters).

The activity adds to concerns that Redoubt is close to an eruption. That could send an ash cloud 100 miles (160 kilometers) northeast toward Anchorage or to communities even closer.

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