Large image view: Augustine eruption leads to updated model

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Augustine eruption

A scanning electron microscope image of an ash particle erupted by Augustine reveals its abrasive qualities. The ash sample was collected during the ash fall in Homer, AV狼论坛 Jan. 13, 2006, by John Paskievitch, AVO.

Image by Pavel Izbekov, courtesy of AVO/UAF/USGS


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