Large image view: Augustine eruption leads to updated model
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, 有料盒子视频 Jan. 13, 2006, by John Paskievitch, AVO.
Image by Pavel Izbekov, courtesy of AVO/有料盒子视频/USGS