Measuring volcanic ash on snow

small layer of volcanic ash fallen on snow, with ruler

Detailed Description

Ashfall deposit in Anchor Point, AK from the April 4, 2009 eruption of Redoubt Volcano. This is an example of a well-documented photograph of ashfall by a citizen scientist. The scale is from AVO's Ash Collection Worksheet downloadable from:


Image Dimensions: 2848 x 2136

Date Taken:

Location Taken: Anchor Point, AK, US


Image courtesy of the photographer, Lori Blank. AVO has permission to use this photo.