Augustine volcano viewed from the west Jan. 12, 2006 spews a large plume of smoke
and ash into the atmosphere. Photo by Game McGimsey, courtesy of U.S. Geological Survey
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