But she says there are no reports of ash being a problem in the large fishing community.
Neal says it appears that the plume is mostly steam and volcanic gas, and doesn't have a lot of ash.
She says the volcano's seismic activity also has diminished a bit.
The 3,500-foot volcano, called the Okmok Caldera, is located on Omnak Island, about 60 miles west of Dutch Harbor.
The volcano, which is 6 miles across and contains more than a dozen cones, began exploding on Saturday.
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