ALASKA VOLCANO PHOTOS: Redoubt Spurs Huge Mudflow, Ash

ALASKA VOLCANO PHOTOS: Redoubt Spurs Huge Mudflow, Ash
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Donning respiratory masks against the falling ash from Redoubt Volcano, Karen Timmers retrieves her daughter Kaila Kais, who suffers from asthma, and son Johann from their elementary school in the small town of Talkeetna, Alaska, on March 23. Footprints in the thin layer of ash are visible in the foreground.

The jagged, rocky ash of Alaskan volcanoes can aggravate respiratory conditions and the inner workings of cars, planes, and other machinery.

Volcanologists doubt Alaska has seen the last of Redoubt's ash. The current eruption cycle, the say, could last for months. The previous major Redoubt eruption, in 1989-1990, lasted a full five months.

More Redoubt Volcano eruption pictures

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—Photograph by Nils Hahn/AP
 
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